Physical Science 2.2 : Behavior of Gases
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The document describes factors that affect how gases behave and laws governing their behavior. It states that the temperature, volume, and pressure of a gas are determined by how fast particles move (temperature), the space the gas occupies (volume), and the force of particles hitting the container (pressure). It then describes Boyle's Law, which states that for a fixed amount of gas at constant temperature, volume is inversely related to pressure, and Charles's Law, which states that for a fixed amount of gas at constant pressure, volume changes directly with temperature changes.
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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.
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1. Gases can be compressed, exert pressure in all directions, mix on their own without aid, and are least dense compared to liquids and solids.
2. Charles' law states that at constant pressure, the volume of a gas is directly proportional to its absolute temperature. Boyle's law states that at constant temperature, the volume of a gas is inversely proportional to its pressure.
3. Graham's law of diffusion states that the rate of diffusion of a gas is inversely proportional to the square root of its density.
2-7 Gas Laws
The document discusses the gas laws and how temperature, pressure, and volume of a gas are related. It defines key terms like pressure, temperature, and volume. It explains Boyle's law, Charles' law, and the combined gas law. Boyle's law states that if temperature and amount of gas are kept constant, pressure and volume are inversely related. Charles' law states that if pressure and amount of gas are kept constant, volume and temperature are directly related. The combined gas law incorporates all factors - if temperature increases while amount and volume remain constant, pressure will also increase.
Kinetic Theory Of Gas
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Kinetic Theory Of Gas
ust a simple presentation to teach my student to understand the gas law....but only contain the Boyle law
the other 2 gas law will be upload later I-A
Kinetic model of matter!
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Chapter 3 - Properties of fluids.ppt
The document explains the kinetic molecular theory of gases and how it can be used to understand gas behavior. It describes gases as made of particles with empty space between them that move randomly in straight lines and collide elastically. The kinetic molecular theory leads to gas laws like Boyle's law relating pressure and volume at constant temperature, Charles' law relating volume and temperature at constant pressure, and Gay-Lussac's law relating pressure and temperature at constant volume. Combining these laws yields the combined gas law. Real gases deviate from ideal behavior at high pressures or low temperatures due to intermolecular forces.
Lecture 2
This document discusses the kinetic theory model of gases and the relationships between temperature, pressure, and volume of gases. It explains that:
1) According to kinetic theory, gases are composed of particles that move randomly in all directions and collide with each other and the container walls, exerting pressure.
2) Boyle's law states that for a fixed mass of gas at constant temperature, pressure and volume are inversely proportional.
3) Charles' law states that for a fixed mass of gas at constant pressure, volume is directly proportional to absolute temperature.
4) Gases need to be stored at higher pressures in small volumes because they take up large volumes at atmospheric pressure.
Chapter 11 (new)
This document discusses the behavior of gases through summarizing the kinetic molecular theory and gas laws. It describes five assumptions of the kinetic theory, including that gas particles are in constant random motion and collisions are perfectly elastic. It then discusses how temperature, pressure, volume, and number of moles are related for a gas based on the gas laws of Boyle, Charles, Gay-Lussac, combined, and ideal gases. It provides examples of using the gas laws to solve problems involving changes in pressure, volume, temperature, or number of moles of a gas.
Boyles law (compresion) (relation between pressure & volume)
This document summarizes an experiment conducted to demonstrate Boyle's law. The experiment was conducted on October 29, 2013 by two students and investigated the relationship between the pressure and volume of a gas. It describes the objectives of demonstrating Boyle's law, provides background on the theory that pressure and volume are inversely proportional at constant temperature, and discusses the results of the experiment and how it illustrates the key concepts of Boyle's law.
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.
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Boyles law (compresion) (relation between pressure & volume)
Boyles law (compresion) (relation between pressure & volume)
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Physical Science 2.2 : Behavior of Gases
- 1. Behavior of Gases Physical Science Chapter 2.2
- 2. Objectives Describe three factors that affect how gases behave Predict how a change in pressure or temperature will affect the volume of a gas. Bellringer What gas is used in a balloon to make it float in the air? Have you ever seen a hot-air balloon floating in the sky?
- 3. Describing gas behavior Temperature measure of how fast the particles in an object are moving the faster the particles, the more energy they have Volume amount of space that an object takes up. volume of any gas depends on the container that the gas is in
- 4. Pressure the amount of force exerted on a given area of surface you can think of pressure as the number of times the particles of a gas hit the inside of their container
- 5. Gas Behavior Laws Boyle’s Law states that for a fixed amount of gas at a constant temperature, the volume of the gas is inversely related to pressure
- 6. Charles’s Law states that for a fixed amount of gas at a constant pressure, the volume of the gas changes in the same way that the temperature of the gas changes.