INTRO-GASES.pptx reviewer for 4th quarte
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Introduction To Gas
This document provides information about gases and the kinetic molecular theory. It defines 11 common gases, lists their properties and uses. The kinetic molecular theory explains that gases are made of particles that move rapidly in random straight lines and collide elastically. The theory accounts for gas properties like compressibility and the fact that gas density varies with temperature and pressure. Key gas properties like volume, pressure, temperature and amount are also defined.
The kinetic theory of gases
The document discusses gases and their properties according to the kinetic molecular theory. It defines the key concepts of gases including their state, composition of molecules, and random motion. It also outlines the assumptions of the kinetic molecular theory for ideal gases and describes the variables used in gas laws - temperature, pressure, volume, and moles. Real gases are known to deviate from ideal behavior at high pressures or low temperatures due to intermolecular forces and molecular size.
Lecture 1 the kinetic theory of gases
I Hope You all like it very much. I wish it is beneficial for all of you and you can get enough knowledge from it. Clear and appropriate objectives, in terms of what the audience ought to feel, think, and do as a result of seeing the presentation. Objectives are realistic – and may be intermediate parts of a wider plan.
The kinetic theory of gases 1
The document discusses gases and their properties according to the kinetic molecular theory. It defines gases as being composed of particles in constant, random motion that collide elastically. The particles are considered to have negligible volume and no intermolecular forces. It describes the variables used in gas laws - temperature, pressure, volume, and moles - and how they relate to the kinetic molecular theory and behavior of gas particles. It also discusses gas measurement techniques like manometers and the different units used to measure pressure.
Properties of Gases
The document discusses the gas laws and properties of gases. It begins by describing the composition of Earth's atmosphere, which is primarily nitrogen and oxygen. It then discusses that gases have mass and low densities compared to liquids and solids. The document outlines four variables that describe gases - pressure, volume, temperature, and amount. It explains concepts such as gas compressibility, units of measurement for gases, and the kinetic molecular theory which describes gas particles as being in constant random motion.
state of matter gases and liquids
States of matter can exist as solids, liquids, or gases. Gases have no definite shape or volume, are highly compressible, and their molecules are far apart with weak intermolecular forces. Liquids have a definite volume but no definite shape, while solids have both a definite shape and volume. The behavior of gases is explained by gas laws such as Boyle's law, Charles's law, Avogadro's law, Dalton's law of partial pressures, Graham's law of diffusion, and the ideal gas law. Gases can be liquefied under high pressure and low temperature due to intermolecular attractions that cause real gases to deviate from ideal behavior.
MODULE 1.pptx
This document discusses gases and the Kinetic Molecular Theory (KMT). It defines important characteristics of gases such as being highly compressible and having low densities. It also lists measurable properties of gases like pressure, volume, and temperature and their units. The KMT makes assumptions about gas particles being in constant random motion, having negligible actual volume, and not attracting or repelling each other. The KMT also assumes elastic collisions and that average kinetic energy is directly proportional to Kelvin temperature. A gas that follows all KMT postulates is considered an ideal gas.
Chem 101 week 12 ch 5
Gases have unique characteristics compared to liquids and solids. They expand to fill their container and are highly compressible with low densities. To describe a gas, its volume, amount, temperature, and pressure must be specified. The behavior of gases is explained by kinetic molecular theory, which describes gases as particles in constant random motion. Real gases deviate from ideal behavior at high pressures and low temperatures due to intermolecular forces. The van der Waals equation accounts for these non-ideal effects.
Recommended
Introduction To Gas
This document provides information about gases and the kinetic molecular theory. It defines 11 common gases, lists their properties and uses. The kinetic molecular theory explains that gases are made of particles that move rapidly in random straight lines and collide elastically. The theory accounts for gas properties like compressibility and the fact that gas density varies with temperature and pressure. Key gas properties like volume, pressure, temperature and amount are also defined.
The kinetic theory of gases
The document discusses gases and their properties according to the kinetic molecular theory. It defines the key concepts of gases including their state, composition of molecules, and random motion. It also outlines the assumptions of the kinetic molecular theory for ideal gases and describes the variables used in gas laws - temperature, pressure, volume, and moles. Real gases are known to deviate from ideal behavior at high pressures or low temperatures due to intermolecular forces and molecular size.
Lecture 1 the kinetic theory of gases
I Hope You all like it very much. I wish it is beneficial for all of you and you can get enough knowledge from it. Clear and appropriate objectives, in terms of what the audience ought to feel, think, and do as a result of seeing the presentation. Objectives are realistic – and may be intermediate parts of a wider plan.
The kinetic theory of gases 1
The document discusses gases and their properties according to the kinetic molecular theory. It defines gases as being composed of particles in constant, random motion that collide elastically. The particles are considered to have negligible volume and no intermolecular forces. It describes the variables used in gas laws - temperature, pressure, volume, and moles - and how they relate to the kinetic molecular theory and behavior of gas particles. It also discusses gas measurement techniques like manometers and the different units used to measure pressure.
Properties of Gases
The document discusses the gas laws and properties of gases. It begins by describing the composition of Earth's atmosphere, which is primarily nitrogen and oxygen. It then discusses that gases have mass and low densities compared to liquids and solids. The document outlines four variables that describe gases - pressure, volume, temperature, and amount. It explains concepts such as gas compressibility, units of measurement for gases, and the kinetic molecular theory which describes gas particles as being in constant random motion.
state of matter gases and liquids
States of matter can exist as solids, liquids, or gases. Gases have no definite shape or volume, are highly compressible, and their molecules are far apart with weak intermolecular forces. Liquids have a definite volume but no definite shape, while solids have both a definite shape and volume. The behavior of gases is explained by gas laws such as Boyle's law, Charles's law, Avogadro's law, Dalton's law of partial pressures, Graham's law of diffusion, and the ideal gas law. Gases can be liquefied under high pressure and low temperature due to intermolecular attractions that cause real gases to deviate from ideal behavior.
MODULE 1.pptx
This document discusses gases and the Kinetic Molecular Theory (KMT). It defines important characteristics of gases such as being highly compressible and having low densities. It also lists measurable properties of gases like pressure, volume, and temperature and their units. The KMT makes assumptions about gas particles being in constant random motion, having negligible actual volume, and not attracting or repelling each other. The KMT also assumes elastic collisions and that average kinetic energy is directly proportional to Kelvin temperature. A gas that follows all KMT postulates is considered an ideal gas.
Chem 101 week 12 ch 5
Gases have unique characteristics compared to liquids and solids. They expand to fill their container and are highly compressible with low densities. To describe a gas, its volume, amount, temperature, and pressure must be specified. The behavior of gases is explained by kinetic molecular theory, which describes gases as particles in constant random motion. Real gases deviate from ideal behavior at high pressures and low temperatures due to intermolecular forces. The van der Waals equation accounts for these non-ideal effects.
State Of Matter
The document discusses the three states of matter - solid, liquid, and gas. It explains the properties of gases and how gas particles are in constant random motion. The gas laws including Boyle's law, Charles' law, Avogadro's law, and the ideal gas equation are described. It also covers gas pressure, measurement of pressure using barometers and manometers, gas density calculations, and sample problems involving the gas laws.
Chemistry - Chp 14 - The Behavior of Gases - PowerPoint
1) Gases are easily compressed and expand to fill their container due to the empty space between particles and their ability to move around.
2) The behavior of gases is described by gas laws relating pressure, volume, temperature, and amount of gas. These include Boyle's law, Charles's law, Gay-Lussac's law, Dalton's law of partial pressures, and Graham's law.
3) The ideal gas law combines these relationships and allows for calculations involving gases assuming they behave ideally. Real gases deviate from ideal behavior at high pressures and low temperatures.
Gases.pptx
Gases are composed of molecules that are widely separated and in constant, rapid motion. This motion causes gases to exert pressure on their container walls and diffuse freely. The state of a gas is defined by its volume, pressure, temperature, and amount. Under normal conditions, gases approximate ideal gas behavior described by the ideal gas law (PV=nRT), though deviations occur at high pressures and low temperatures when molecular interactions are significant. Common gases in the atmosphere and human body include nitrogen, oxygen, carbon dioxide and their behaviors and roles are described.
Chapter10.pdf
This document provides an overview of key concepts related to gases, including:
- Characteristics of gases and units of pressure like atmospheres and torr
- Gas laws like Boyle's, Charles', and Avogadro's laws and how they relate to the ideal gas equation
- How to calculate variables like pressure, volume, moles, and temperature using the ideal gas equation
- Kinetic molecular theory and how it explains gas behavior and properties
- Deviations from ideal gas behavior at high pressures or low temperatures
- The van der Waals equation for correcting for non-ideal behavior
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Attacking The TEKS: Gases
Attacking the TEKS: Focus on Gases presented by Jane Smith, ACT2 2010
This session will expose you to the new TEKS and College Readiness Standards. Ideas for sequencing and planning the unit will be shared along with tips for appropriate demos, labs, and assessments. The intended audience is for teachers with 3 or less years of experience or anyone who wants to delve deeper into the new standards.
Notes gas laws
The document discusses various gas laws including Boyle's law, Charles' law, Gay-Lussac's law, the combined gas law, and the ideal gas law. It explains how changing variables like pressure, volume, temperature, and moles of gas affects the behavior of gases based on these laws. Examples are provided to demonstrate how to use the gas laws to calculate unknown variable values.
States of matter
1. The document discusses the different states of matter and summarizes the key differences between gases, liquids, and solids.
2. It then covers various gas laws including Boyle's law, Charles' law, Avogadro's law, and the ideal gas equation.
3. The kinetic molecular theory is introduced to explain gas behavior at the molecular level in terms of molecule motion and interactions.
BEHAVIOR OF GASES.pptx
The document discusses several measurable properties of gases, including volume, pressure, and temperature. It defines volume as the space a gas occupies in its container. Pressure is defined as the force exerted by gas molecules divided by the surface area. Common pressure units are provided. Temperature is defined as the average kinetic energy of gas particles. Standard temperature and pressure conditions for gases are outlined, with standard temperature being 0°C and standard pressure being 1 atmosphere. Boyle's law relating the inverse relationship between gas pressure and volume at constant temperature is briefly explained.
Applied Chapter 12.1 : Characteristics of Gases
The document describes the kinetic molecular theory of gases and its relationship to gas properties. It defines key concepts like pressure, temperature, volume, number of particles and diffusion. The kinetic molecular theory proposes that gases are made of particles in continuous, rapid motion that are far apart with no intermolecular forces. This explains gas properties like expansion to fill its container, fluidity, compressibility, and diffusion due to random particle motion. Standard temperature and pressure are also defined.
Kinetic theory
Kinetic Molecular Theory describes the behavior of gases in terms of particles in motion. It makes several assumptions about the size, motion, and energy of gas particles. Specifically, it assumes that gas particles are small, move randomly in straight lines until colliding elastically, and have a distribution of kinetic energies determined by their masses and velocities. This theory explains the low density, compressibility, and diffusion of gases as well as how temperature and pressure arise from the motion and collisions of gas particles.
Gas Laws
Kinetic Gas Theory including Ideal Gas Equation. Temperature, Volume, Applications
Boyle's Law, Charles' Law and Avogadro's Law. Ideal Gas Theory, Dalton's Partial Pressure
Chemical thermodynamics(chem 2052)
This document provides an overview of chemical thermodynamics and ideal and real gases. It discusses key concepts such as:
- Physical chemistry and thermodynamics, which deals with the application of physics to chemical systems and the relationship between heat and other forms of chemical energy.
- Ideal gases, which obey gas laws at all conditions, versus real gases, which deviate from ideal behavior at high pressures and low temperatures due to intermolecular forces and molecular volumes.
- Equations of state, such as the ideal gas law, which relate pressure, volume, temperature and amount of substance for gases. Van der Waals proposed corrections for real gas behavior accounting for excluded molecular volume and attraction forces.
Chapter11new 120329111214-phpapp02
The document discusses the kinetic theory of gases and gas laws. It describes the assumptions of the kinetic theory, including that gas particles are in constant random motion and collisions are elastic. It defines key variables that describe gases like pressure, volume, temperature and number of moles. The document then explains several important gas laws, including Boyle's Law, Charles's Law, Gay-Lussac's Law, Dalton's Law of Partial Pressures, Graham's Law of Effusion, and Avogadro's Law. It provides examples of using the gas laws to solve problems involving changes in pressure, volume and temperature of gas samples.
Ideal & real gases
This document is a report on ideal and real gases submitted by eight students from the Chemical Engineering Department at Koya University. It includes an abstract, introduction, body with sections on what gases are, the two types of gases (ideal and real), differences between them, applications, and deviations from ideal gas behavior. The body contains figures and explanations of concepts. It concludes that ideal gases have theoretical, non-real properties, while real gas equations can be derived from the ideal gas law to account for intermolecular forces and particle volumes at different pressures and temperatures.
Gases
1) The document discusses the kinetic molecular theory and gas laws, which describe the behavior of ideal gases.
2) It explains that ideal gases are made of small, hard spheres that move rapidly in random motion and exert pressure through collisions with container walls.
3) The gas laws described are Boyle's law (inverse relationship between pressure and volume at constant temperature), Charles's law (direct relationship between volume and temperature at constant pressure), and Gay-Lussac's law (direct relationship between pressure and temperature at constant volume).
State of matter
The document discusses the three states of matter - solid, liquid, and gas. It focuses on the gaseous state and properties of gases. Some key points:
- Gases have molecules that are separated by large distances and move freely and independently of each other.
- Many substances can exist as gases under normal conditions, including elements like hydrogen, nitrogen, oxygen as well as compounds like carbon dioxide and ammonia.
- Gases exert pressure uniformly on all surfaces. Gas pressure is measured using instruments like barometers and manometers.
- The behavior of gases is described by gas laws including Boyle's law, Charles' law, Avogadro's law, and the ideal gas equation.
Lecture 1 Property of gas
The document outlines a unit on matter and its interactions. It includes modules on the behavior of gases, chemical reactions, and biomolecules. The gases module covers properties of gases, gas laws including Boyle's law, Charles' law, Gay-Lussac's law, the combined gas law, and the ideal gas law. It also discusses the kinetic molecular theory and differences between ideal and real gases.
Chapter 5 gases
1. This document summarizes key concepts about gases from Chapter 5 of Zumdahl's chemistry textbook, including gas laws like Boyle's, Charles', and Avogadro's law, as well as concepts like pressure, the ideal gas law, kinetic molecular theory, and the makeup of the atmosphere.
2. It introduces tools for measuring gas properties such as barometers, manometers, and describes gas behavior using the kinetic molecular theory and concepts like effusion and diffusion.
3. It also discusses how real gases deviate from ideal behavior and the van der Waals equation that accounts for intermolecular forces between particles.
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State Of Matter
The document discusses the three states of matter - solid, liquid, and gas. It explains the properties of gases and how gas particles are in constant random motion. The gas laws including Boyle's law, Charles' law, Avogadro's law, and the ideal gas equation are described. It also covers gas pressure, measurement of pressure using barometers and manometers, gas density calculations, and sample problems involving the gas laws.
Chemistry - Chp 14 - The Behavior of Gases - PowerPoint
1) Gases are easily compressed and expand to fill their container due to the empty space between particles and their ability to move around.
2) The behavior of gases is described by gas laws relating pressure, volume, temperature, and amount of gas. These include Boyle's law, Charles's law, Gay-Lussac's law, Dalton's law of partial pressures, and Graham's law.
3) The ideal gas law combines these relationships and allows for calculations involving gases assuming they behave ideally. Real gases deviate from ideal behavior at high pressures and low temperatures.
Gases.pptx
Gases are composed of molecules that are widely separated and in constant, rapid motion. This motion causes gases to exert pressure on their container walls and diffuse freely. The state of a gas is defined by its volume, pressure, temperature, and amount. Under normal conditions, gases approximate ideal gas behavior described by the ideal gas law (PV=nRT), though deviations occur at high pressures and low temperatures when molecular interactions are significant. Common gases in the atmosphere and human body include nitrogen, oxygen, carbon dioxide and their behaviors and roles are described.
Chapter10.pdf
This document provides an overview of key concepts related to gases, including:
- Characteristics of gases and units of pressure like atmospheres and torr
- Gas laws like Boyle's, Charles', and Avogadro's laws and how they relate to the ideal gas equation
- How to calculate variables like pressure, volume, moles, and temperature using the ideal gas equation
- Kinetic molecular theory and how it explains gas behavior and properties
- Deviations from ideal gas behavior at high pressures or low temperatures
- The van der Waals equation for correcting for non-ideal behavior
Hot air balloons
the science and maths behind balloon flight.. I took an interest in this after a balloon flight accross west auckland
Attacking The TEKS: Gases
Attacking the TEKS: Focus on Gases presented by Jane Smith, ACT2 2010
This session will expose you to the new TEKS and College Readiness Standards. Ideas for sequencing and planning the unit will be shared along with tips for appropriate demos, labs, and assessments. The intended audience is for teachers with 3 or less years of experience or anyone who wants to delve deeper into the new standards.
Notes gas laws
The document discusses various gas laws including Boyle's law, Charles' law, Gay-Lussac's law, the combined gas law, and the ideal gas law. It explains how changing variables like pressure, volume, temperature, and moles of gas affects the behavior of gases based on these laws. Examples are provided to demonstrate how to use the gas laws to calculate unknown variable values.
States of matter
1. The document discusses the different states of matter and summarizes the key differences between gases, liquids, and solids.
2. It then covers various gas laws including Boyle's law, Charles' law, Avogadro's law, and the ideal gas equation.
3. The kinetic molecular theory is introduced to explain gas behavior at the molecular level in terms of molecule motion and interactions.
BEHAVIOR OF GASES.pptx
The document discusses several measurable properties of gases, including volume, pressure, and temperature. It defines volume as the space a gas occupies in its container. Pressure is defined as the force exerted by gas molecules divided by the surface area. Common pressure units are provided. Temperature is defined as the average kinetic energy of gas particles. Standard temperature and pressure conditions for gases are outlined, with standard temperature being 0°C and standard pressure being 1 atmosphere. Boyle's law relating the inverse relationship between gas pressure and volume at constant temperature is briefly explained.
Applied Chapter 12.1 : Characteristics of Gases
The document describes the kinetic molecular theory of gases and its relationship to gas properties. It defines key concepts like pressure, temperature, volume, number of particles and diffusion. The kinetic molecular theory proposes that gases are made of particles in continuous, rapid motion that are far apart with no intermolecular forces. This explains gas properties like expansion to fill its container, fluidity, compressibility, and diffusion due to random particle motion. Standard temperature and pressure are also defined.
Kinetic theory
Kinetic Molecular Theory describes the behavior of gases in terms of particles in motion. It makes several assumptions about the size, motion, and energy of gas particles. Specifically, it assumes that gas particles are small, move randomly in straight lines until colliding elastically, and have a distribution of kinetic energies determined by their masses and velocities. This theory explains the low density, compressibility, and diffusion of gases as well as how temperature and pressure arise from the motion and collisions of gas particles.
Gas Laws
Kinetic Gas Theory including Ideal Gas Equation. Temperature, Volume, Applications
Boyle's Law, Charles' Law and Avogadro's Law. Ideal Gas Theory, Dalton's Partial Pressure
Chemical thermodynamics(chem 2052)
This document provides an overview of chemical thermodynamics and ideal and real gases. It discusses key concepts such as:
- Physical chemistry and thermodynamics, which deals with the application of physics to chemical systems and the relationship between heat and other forms of chemical energy.
- Ideal gases, which obey gas laws at all conditions, versus real gases, which deviate from ideal behavior at high pressures and low temperatures due to intermolecular forces and molecular volumes.
- Equations of state, such as the ideal gas law, which relate pressure, volume, temperature and amount of substance for gases. Van der Waals proposed corrections for real gas behavior accounting for excluded molecular volume and attraction forces.
Chapter11new 120329111214-phpapp02
The document discusses the kinetic theory of gases and gas laws. It describes the assumptions of the kinetic theory, including that gas particles are in constant random motion and collisions are elastic. It defines key variables that describe gases like pressure, volume, temperature and number of moles. The document then explains several important gas laws, including Boyle's Law, Charles's Law, Gay-Lussac's Law, Dalton's Law of Partial Pressures, Graham's Law of Effusion, and Avogadro's Law. It provides examples of using the gas laws to solve problems involving changes in pressure, volume and temperature of gas samples.
Ideal & real gases
This document is a report on ideal and real gases submitted by eight students from the Chemical Engineering Department at Koya University. It includes an abstract, introduction, body with sections on what gases are, the two types of gases (ideal and real), differences between them, applications, and deviations from ideal gas behavior. The body contains figures and explanations of concepts. It concludes that ideal gases have theoretical, non-real properties, while real gas equations can be derived from the ideal gas law to account for intermolecular forces and particle volumes at different pressures and temperatures.
Gases
1) The document discusses the kinetic molecular theory and gas laws, which describe the behavior of ideal gases.
2) It explains that ideal gases are made of small, hard spheres that move rapidly in random motion and exert pressure through collisions with container walls.
3) The gas laws described are Boyle's law (inverse relationship between pressure and volume at constant temperature), Charles's law (direct relationship between volume and temperature at constant pressure), and Gay-Lussac's law (direct relationship between pressure and temperature at constant volume).
State of matter
The document discusses the three states of matter - solid, liquid, and gas. It focuses on the gaseous state and properties of gases. Some key points:
- Gases have molecules that are separated by large distances and move freely and independently of each other.
- Many substances can exist as gases under normal conditions, including elements like hydrogen, nitrogen, oxygen as well as compounds like carbon dioxide and ammonia.
- Gases exert pressure uniformly on all surfaces. Gas pressure is measured using instruments like barometers and manometers.
- The behavior of gases is described by gas laws including Boyle's law, Charles' law, Avogadro's law, and the ideal gas equation.
Lecture 1 Property of gas
The document outlines a unit on matter and its interactions. It includes modules on the behavior of gases, chemical reactions, and biomolecules. The gases module covers properties of gases, gas laws including Boyle's law, Charles' law, Gay-Lussac's law, the combined gas law, and the ideal gas law. It also discusses the kinetic molecular theory and differences between ideal and real gases.
Chapter 5 gases
1. This document summarizes key concepts about gases from Chapter 5 of Zumdahl's chemistry textbook, including gas laws like Boyle's, Charles', and Avogadro's law, as well as concepts like pressure, the ideal gas law, kinetic molecular theory, and the makeup of the atmosphere.
2. It introduces tools for measuring gas properties such as barometers, manometers, and describes gas behavior using the kinetic molecular theory and concepts like effusion and diffusion.
3. It also discusses how real gases deviate from ideal behavior and the van der Waals equation that accounts for intermolecular forces between particles.
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Monitor indicators of genetic diversity from space using Earth Observation data
Genetic diversity within and among populations is essential for species persistence. While targets and indicators for genetic diversity are captured in the Kunming-Montreal Global Biodiversity Framework, assessing genetic diversity across many species at national and regional scales remains challenging. Parties to the Convention on Biological Diversity (CBD) need accessible tools for reliable and efficient monitoring at relevant scales. Here, we describe how Earth Observation satellites (EO) make essential contributions to enable, accelerate, and improve genetic diversity monitoring and preservation. Specifically, we introduce a workflow integrating EO into existing genetic diversity monitoring strategies and present a set of examples where EO data is or can be integrated to improve assessment, monitoring, and conservation. We describe how available EO data can be integrated in innovative ways to support calculation of the genetic diversity indicators of the GBF monitoring framework and to inform management and monitoring decisions, especially in areas with limited research infrastructure or access. We also describe novel, integrative approaches to improve the indicators that can be implemented with the coming generation of EO data, and new capabilities that will provide unprecedented detail to characterize the changes to Earth’s surface and their implications for biodiversity, on a global scale.
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按照学校原版(UAL文凭证书)伦敦艺术大学毕业证快速办理
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【我们承诺采用的是学校原版纸张（纸质、底色、纹路），我们拥有全套进口原装设备，特殊工艺都是采用不同机器制作，仿真度基本可以达到100%，所有工艺效果都可提前给客户展示，不满意可以根据客户要求进行调整，直到满意为止！】
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信176555708】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信176555708】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
留信网服务项目：
1、留学生专业人才库服务（留信分析）
2、国（境）学习人员提供就业推荐信服务
3、留学人员区块链存储服务
→ 【关于价格问题（保证一手价格）】
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：客户在留信官方认证查询网站查询到认证通过结果后付款，不成功不收费！
一比一原版美国堪萨斯大学毕业证（KU学位证）如何办理
原件一模一样【微信：WP101A】【美国堪萨斯大学毕业证（KU学位证）成绩单】【微信：WP101A】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：WP101A】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信：WP101A】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份【微信：WP101A】
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
办理美国堪萨斯大学毕业证（KU学位证）学位证【微信：WP101A 】外观非常精致，由特殊纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理美国堪萨斯大学毕业证（KU学位证）学位证【微信：WP101A 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理美国堪萨斯大学毕业证（KU学位证）学位证【微信：WP101A 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理美国堪萨斯大学毕业证（KU学位证）学位证【微信：WP101A 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
Stay Ahead of the Curve with PFAS Testing
There is a tremendous amount of news being disseminated every day online about dangerous forever chemicals called PFAS. In this interview with a global PFAS testing expert, Geraint Williams of ALS, he and York Analytical President Michael Beckerich discuss the hot-button issues for the environmental engineering and consulting industry -- the wider range of PFAS contamination sites, new PFAS that are unregulated, and the compliance challenges ahead.
Widespread PFAS contamination requires stringent sampling and laboratory analyses by certified laboratories only -- whether it is for PFAS in soil, groundwater, wastewater or drinking water.
Contact us at York Analytical Laboratories for expert environmental testing with fast turnaround times and client service. We have 4 state-certified laboratories in Connecticut, New York and New Jersey, and 4 client service centers.
P: 800-306-YORK
E: clientservices@YorkLab.com
W: YorkLab.com
一比一原版(unuk毕业证书)英国诺丁汉大学毕业证如何办理
原版一模一样【微信：741003700 】【(unuk毕业证书)英国诺丁汉大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
【主营项目】
一.毕业证【q微741003700】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(unuk毕业证书)英国诺丁汉大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(unuk毕业证书)英国诺丁汉大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(unuk毕业证书)英国诺丁汉大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(unuk毕业证书)英国诺丁汉大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
(Q)SAR Assessment Framework: Guidance for Assessing (Q)SAR Models and Predict...
The webinar provided an overview of the new OECD (Q)SAR Assessment Framework for evaluating the scientific validity of (Q)SAR models, predictions, and results from multiple predictions. The QAF provides assessment elements for existing principles for evaluating models, as well as new principles for evaluating predictions and results. In addition to the principles, assessment elements, and guidance for evaluating each element, the QAF includes a checklist for reporting assessments.
This new Framework provides regulators with a consistent and transparent approach for reviewing the use of (Q)SAR predictions in a regulatory context and increases the confidence to accept alternative methods for evaluating chemical hazards. The OECD worked closely together with the Istituto Superiore di Sanità (Italy) and the European Chemicals Agency (ECHA), supported by a variety of international experts to develop a checklist of criteria and guidance for evaluating each criterion. The aim of the QAF is to help establish confidence in the use of (Q)SARs in evaluating chemical safety, and was designed to be applicable irrespective of the modelling technique used to build the model, the predicted endpoint, and the intended regulatory purpose.
The webinar provided an overview of the project and presented the main aspects of the framework for assessing models and results based on individual or multiple predictions.
一比一原版美国贝翰文大学毕业证（BU学位证）如何办理
原件一模一样【微信：WP101A】【美国贝翰文大学毕业证（BU学位证）成绩单】【微信：WP101A】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：WP101A】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信：WP101A】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份【微信：WP101A】
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
办理美国贝翰文大学毕业证（BU学位证）学位证【微信：WP101A 】外观非常精致，由特殊纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理美国贝翰文大学毕业证（BU学位证）学位证【微信：WP101A 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理美国贝翰文大学毕业证（BU学位证）学位证【微信：WP101A 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理美国贝翰文大学毕业证（BU学位证）学位证【微信：WP101A 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
一比一原版（Glasgow毕业证）英国格拉斯哥大学毕业证如何办理
原件一模一样【微信：WP101A】【（Glasgow毕业证）英国格拉斯哥大学毕业证学位证成绩单】【微信：WP101A】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：WP101A】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信：WP101A】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份【微信：WP101A】
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
→ 【关于价格问题（保证一手价格）
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
办理（Glasgow毕业证）英国格拉斯哥大学毕业证学位证【微信：WP101A 】外观非常精致，由特殊纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理（Glasgow毕业证）英国格拉斯哥大学毕业证学位证【微信：WP101A 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理（Glasgow毕业证）英国格拉斯哥大学毕业证学位证【微信：WP101A 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理（Glasgow毕业证）英国格拉斯哥大学毕业证学位证【微信：WP101A 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
Mass Production of Trichogramma sp..pptx
Trichogramma spp. is an efficient egg parasitoids that potentially assist to manage the insect-pests from the field condition by parasiting the host eggs. To mass culture this egg parasitoids effectively, we need to culture another stored grain pest- Rice Meal Moth (Corcyra Cephalonica). After rearing this pest, the eggs of Corcyra will carry the potential Trichogramma spp., which is an Hymenopteran Wasp. The detailed Methodologies of rearing both Corcyra Cephalonica and Trichogramma spp. have described on this ppt.
一比一原版西澳大学毕业证学历证书如何办理
原版定制【微信:741003700】《西澳大学毕业证学位证成绩单》【微信:741003700】成绩单 、雅思、外壳、留信学历认证永久存档查询，采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份毕业证【Q微信741003700】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【Q微信741003700】即可
三、进国企，银行，事业单位，考公务员等等，这些单位是必需要提供真实教育部认证的，办理教育部认证所需资料众多且烦琐，所有材料您都必须提供原件，我们凭借丰富的经验，快捷的绿色通道帮您快速整合材料，让您少走弯路。
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
【关于价格问题（保证一手价格）】
我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
对于老客户或者被老客户介绍过来的朋友，我们都会适当给一些优惠。
原版制作(UPSaclay毕业证书)巴黎萨克雷大学毕业证PDF成绩单一模一样
原件一模一样【微信：bwp0011】《(UPSaclay毕业证书)巴黎萨克雷大学毕业证PDF成绩单》【微信：bwp0011】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问微bwp0011
【主营项目】
一.毕业证【微bwp0011】成绩单、使馆认证、教育部认证、雅思托福成绩单、学生卡等！
二.真实使馆公证(即留学回国人员证明,不成功不收费)
三.真实教育部学历学位认证（教育部存档！教育部留服网站永久可查）
四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【微bwp0011】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
Emerging Earth Observation methods for monitoring sustainable food production
Presented by Daniela Requena Suarez, Helmholtz GeoResearch Center Potsdam (GFZ) at "Side event 60th sessions of the UNFCCC Subsidiary Bodies - Sustainable Bites: Innovating Low Emission Food Systems One Country at a Time" on 13 June 2024
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INTRO-GASES.pptx reviewer for 4th quarte
- 1. UNIT IV MATTER AND ITS INTERACTIONS
- 2. RECAP… In your grade 8 chemistry, you learned different properties of Gases. Identify whether the statement isTRUE or FALSE. 1. Gases have indefinite shape and volume. 2. Gas is the state in which matter expands to occupy the volume and shape of its container. 3. Gases have low density which contain scattered molecules that are dispersed across a given volume. 4. Particles of gases move in random motion with little attraction to each other. 5. Gases are highly compressible.
- 3. MODULE I : BEHAVIOUR OF GASES
- 4. Scientists have observed some activities involving gases. They found out that the behavior of gases is determined by the behavior of its individual particle. In 1870, scientists formulated the Kinetic Molecular Theory (KMT) using a simple model of an ideal gas or a theoretical gas. The particles of an ideal gas behave consistently and in a predictable manner.
- 13. PRESSURE The pressure of a confined gas is the average effect of the forces of the colliding molecules. It can be measured in atmosphere (atm), torr, psi, cmHg, mmHg) P = F/A where: P=pressure, F=force, A= area When you open a can or bottle of softdrinks, it fizzes because of the escaping dissolved carbon dioxide due to change of pressure. When the wind blows, it exerts pressure too
- 14. MASS The amount of gas or its mass could be expressed in moles or grams. The mass is negligible. Which is heavier, inflated balloon or deflated balloon?
- 15. VOLUME The volume of gas is the amount of space occupied by the gases. Gases have the tendency to occupy all the spaces of the container that they are confined. Gases have weak intermolecular forces of attraction, hence, they are arranged as far away as possible from each other. The common units used in expressing the volume of gas are liter (L) and milliliter (mL). The basketball is filled with air. So, it bounces while you are dribbling it.
- 16. TEMPERATURE The temperature of a gas is the measure of the hotness or coldness of an object. It is proportional to the average kinetic energy of its molecules. It can be measured in Celsius and Kelvin. Kelvin is the absolute scale
- 18. UNITS BEING USED TO EXPRESS THE PROPERTIES OF GASES VARIABLE UNIT Volume Cubic meter (m3 ) Cubic decimeter (dm3 ) Cubic centimeter (cm3 ) Liter (L) Milliliter (mL) Quart (qt) Gallon (gal) Pressure Pascal (Pa), kPa Atmosphere (atm) Millimeters of mercury (mmHg) Centimeters of mercury (cmHg) Torr Lb/in2 (psi) Temperature Celcius (⁰C) Farenheight (⁰F)
- 19. EQUIVALENTS Volume units and their equivalents 1 mL = 1 cm3 1 L = 1 dm3 1 m3 = 1000 L Pressure units and their equivalents 1 atm = 760 mmHg = 76 cmHg = 760 torr = 101325Pa = 101.325kPa=14.6956 psi Temperature units and their equivalents 0 ⁰C = 273.15 K 0 ⁰C = 32 ⁰F
- 21. GAS LAWS GAS LAW SCIENTIST FORMULA CONSTANT RELATIONSHIP BOYLE’S LAW Robert Boyle P1 V1 = P2 V2 Temperature Inversely proportional CHARLES’LAW Jacques Charles V1T2 = V2 T1 Pressure Directly proportional GAY-LUSSAC’S LAW Joseph Loius Gay- Lussac P1T2 = P2 T1 Volume Directly proportional COMBINED GAS LAW V1P1T2 = V2P2 T1 AVOGADRO’S LAW Lorenzo Romano Amedeo Carlo Avogadro V1n2 = V2 n1 Pressure, Temperature Directly proportional IDEAL GAS LAW PV = nRT
- 22. WHERE: V= Volume T = Temperature n = amount of gas in moles R = Universal gas constant 1 = Used as subscript, means initial condition 2 = used as subscript, means final condition