Alchemy originated in ancient Egypt and was focused on attempts to transform cheap metals like lead into gold through mysterious elixirs or powders. While alchemists made some discoveries about elements and compounds, their work was not truly scientific. Chemistry emerged in the 17th century through the scientific work of scientists like Robert Boyle, who established criteria for what constitutes a chemical element. Modern chemistry evolved from the more mystical practices of alchemy as scientists applied rigorous experimentation and analysis to the study of matter.
The document discusses the relationship between a metal's reactivity and when it was discovered. It analyzes metals discovered at different points in history and finds that generally, less reactive metals like gold were discovered earlier since they occur freely in nature, while more reactive metals discovered later once technology advanced to extract them from ores. There is not always a direct correlation, as in the case of copper being discovered before silver, but the pattern typically holds except over very short periods. The conclusion is that less reactive metals were discovered earlier due to being more easily accessible.
The document discusses the relationship between the reactivity of metals and when they were discovered. It finds that generally, less reactive metals like gold and copper were discovered earliest as they exist naturally. More reactive metals exist in compound forms and required advanced technology like electrolysis and smelting to be extracted. So there is a direct relationship between a metal's reactivity and the timeline of its discovery, with less reactive metals found earlier.
Metallurgy and its proospect BBA DU Financeneha0175120
This document provides an overview of metallurgy and its history. It discusses the extraction and processing of metals through techniques like mineral processing, pyrometallurgy, hydrometallurgy, and physical metallurgy. The history of metallurgy is traced from early use of gold and copper thousands of years ago to modern developments in steel production and welding. Key events highlighted include the development of bronze and iron working and innovations in the 18th-19th centuries that enabled large-scale steel production.
- Early humans discovered native metals like gold and copper and used them for ornamental purposes before learning to work them into tools.
- The Copper Age began around 4500 BC with the working of native copper into cold-worked tools and artifacts. Smelting of copper ores, beginning with malachite, allowed larger-scale production.
- The Bronze Age began around 3200 BC with the production of arsenic-bronze and tin-bronze alloys which were harder than copper and better for tools. Ironworking began around 1500 BC but did not become widespread until 1200 BC.
Heavy metals and properties by ontorio univ.pptPradeepSuthar7
- Early humans discovered that native metals like gold and copper could be worked into tools and ornamental objects without smelting. This began the Copper Age.
- The development of smelting, which involved heating metal ores to extract the pure metal, allowed for expanded use of copper and later metals. Smelting likely began accidentally in pottery kilns.
- Bronze, an alloy of copper and tin, was harder than copper and better for tools, launching the Bronze Age. Iron was harder to smelt but became widespread after methods for purifying and strengthening iron through carburization and tempering were developed.
MS4SSAsssssssss-IntroductiontoMetals.pptSrikanth S
This document summarizes the history and applications of metals. It discusses the early use of metals like copper and bronze in ancient civilizations. The Iron Age introduced iron smelting around 2000 BC. Important developments included cast iron production in 800 AD, steelmaking in 500 AD, and Abraham Darby's coking process in 1709. Modern applications mentioned include uses of metals in cookware, medicine via gold nanoparticles, electronics, alloys for implants, and new catalysts for fuel cells.
Alchemy originated in ancient Egypt and was focused on attempts to transform cheap metals like lead into gold through mysterious elixirs or powders. While alchemists made some discoveries about elements and compounds, their work was not truly scientific. Chemistry emerged in the 17th century through the scientific work of scientists like Robert Boyle, who established criteria for what constitutes a chemical element. Modern chemistry evolved from the more mystical practices of alchemy as scientists applied rigorous experimentation and analysis to the study of matter.
The document discusses the relationship between a metal's reactivity and when it was discovered. It analyzes metals discovered at different points in history and finds that generally, less reactive metals like gold were discovered earlier since they occur freely in nature, while more reactive metals discovered later once technology advanced to extract them from ores. There is not always a direct correlation, as in the case of copper being discovered before silver, but the pattern typically holds except over very short periods. The conclusion is that less reactive metals were discovered earlier due to being more easily accessible.
The document discusses the relationship between the reactivity of metals and when they were discovered. It finds that generally, less reactive metals like gold and copper were discovered earliest as they exist naturally. More reactive metals exist in compound forms and required advanced technology like electrolysis and smelting to be extracted. So there is a direct relationship between a metal's reactivity and the timeline of its discovery, with less reactive metals found earlier.
Metallurgy and its proospect BBA DU Financeneha0175120
This document provides an overview of metallurgy and its history. It discusses the extraction and processing of metals through techniques like mineral processing, pyrometallurgy, hydrometallurgy, and physical metallurgy. The history of metallurgy is traced from early use of gold and copper thousands of years ago to modern developments in steel production and welding. Key events highlighted include the development of bronze and iron working and innovations in the 18th-19th centuries that enabled large-scale steel production.
- Early humans discovered native metals like gold and copper and used them for ornamental purposes before learning to work them into tools.
- The Copper Age began around 4500 BC with the working of native copper into cold-worked tools and artifacts. Smelting of copper ores, beginning with malachite, allowed larger-scale production.
- The Bronze Age began around 3200 BC with the production of arsenic-bronze and tin-bronze alloys which were harder than copper and better for tools. Ironworking began around 1500 BC but did not become widespread until 1200 BC.
Heavy metals and properties by ontorio univ.pptPradeepSuthar7
- Early humans discovered that native metals like gold and copper could be worked into tools and ornamental objects without smelting. This began the Copper Age.
- The development of smelting, which involved heating metal ores to extract the pure metal, allowed for expanded use of copper and later metals. Smelting likely began accidentally in pottery kilns.
- Bronze, an alloy of copper and tin, was harder than copper and better for tools, launching the Bronze Age. Iron was harder to smelt but became widespread after methods for purifying and strengthening iron through carburization and tempering were developed.
MS4SSAsssssssss-IntroductiontoMetals.pptSrikanth S
This document summarizes the history and applications of metals. It discusses the early use of metals like copper and bronze in ancient civilizations. The Iron Age introduced iron smelting around 2000 BC. Important developments included cast iron production in 800 AD, steelmaking in 500 AD, and Abraham Darby's coking process in 1709. Modern applications mentioned include uses of metals in cookware, medicine via gold nanoparticles, electronics, alloys for implants, and new catalysts for fuel cells.
1. The document discusses the properties and classification of elements as metals and non-metals. It describes experiments showing that metals conduct heat and electricity well, are malleable, and have high melting points, while non-metals are poor conductors and have low melting points.
2. Metals discussed include iron, copper, aluminum, gold, and silver. Non-metals include carbon, sulfur, and oxygen. Common uses of metals mentioned are making bridges, wires, coins, pots, and jewelry. Carbon is used in batteries.
3. The document provides a table comparing key properties of metals and non-metals and exercises to classify materials and understand their properties and uses.
1) The document discusses whether there is a connection between the reactivity of a metal and when it was discovered.
2) It notes that the less reactive metals like gold and copper were among the first metals discovered, around 6000 BC and 4200 BC respectively, while more reactive metals were typically discovered later as technology advanced.
3) The conclusion is that more reactive metals were generally discovered later than less reactive metals because they required more advanced techniques to isolate from their ores, given their higher reactivity.
Roman city dig: session 7, 2012: Roman metals, by Geoff Tindall Ecomuseum Cavalleria
The document discusses metals used in the ancient Roman world such as gold, silver, copper, iron, tin, and zinc. It describes how these metals were obtained from ores through processes like roasting and smelting. Important metal alloys of the time included bronze, brass, pewter, and steel. While iron could be extracted, the Romans lacked technology to cast or smelt it, so they used the "bloom" and forging process to produce wrought iron and steel. Bronze remained commonly used since it could be cast unlike iron. The document also notes the cupellation process used to separate silver from lead.
The document discusses the relationship between when metals were discovered and their reactivity. Metals discovered earlier, before the 18th century, tended to be less reactive than those found more recently. As techniques for separating metals improved over time, such as electrolysis which was needed for highly reactive metals like magnesium, more complex and reactive metals could be isolated which led to more discoveries in the 19th century. Examples are given of specific metals like arsenic, bismuth, zinc, cobalt, and nickel to show how their discovery and production methods related to their reactivity and technological advances.
Chapter 6 lands and its resources form3 scienceMaslen Dadee
The document discusses the various minerals found in the Earth's crust, including their composition and properties. It notes that silicate minerals containing oxygen and silicon make up most of the Earth's crust by weight. Key properties of minerals discussed include hardness, reactivity, solubility, and how they are affected by heat. When heated, most metal carbonates decompose to metal oxides and carbon dioxide gas. Metal oxides are generally stable when heated, except for mercury and silver oxides. Metal sulphides typically decompose to metal oxides and sulphur dioxide gas when strongly heated.
This document provides information about the physical and chemical properties of metals and non-metals. It discusses how metals are lustrous and good conductors of heat and electricity, while non-metals are generally dull, soft, and poor conductors. It describes how metals react with acids to produce hydrogen gas, while non-metals typically do not react. Examples of displacement reactions are provided. Common uses of metals and non-metals are outlined.
Metals and non-metals class 10th presentation. For all those who have been given an assignment just like me to make a ppt, this might help.
Enjoy 10th grade. In this presentation, we unravel the fundamental differences between these two categories of elements. Explore the conductivity of metals and learn how they play a vital role in electrical systems and technology. Delve into the world of non-metals and uncover their diverse applications, from supporting life as essential components of organic compounds to their roles in various industrial processes.
My presentation isn't just about theoretical concepts. We've included engaging visuals, interactive examples, and real-world case studies to make learning about metals and non-metals both enjoyable and insightful.
Everything has been covered in this. With pictures!
The document discusses the variety of minerals found in the Earth's crust, including both natural elements like gold and silver as well as natural compounds like bauxite and magnetite. It also covers the reactivity series of metals and how more reactive metals must be extracted from their ores using methods like heating with carbon or electrolysis, while less reactive metals can be found in purer form. A variety of everyday uses for common minerals are presented, along with the environmental impacts that can result from mining activities.
The document discusses the process of extracting metals from ores. It begins by explaining how the reactivity of metals determines whether they are found in nature in elemental form or as compounds in ores. Extraction involves removing impurities from the ore, converting metal compounds to oxides, and then reducing the oxides to elemental metals. Less reactive metals can be extracted by heating while more reactive metals require electrolysis or displacement by other reactive metals. The pure metals may then be refined electrolytically to remove remaining impurities.
Chapter 4 materials metals and non metals.pptxAbhisesSingh
This document discusses the properties and classification of elements as metals and non-metals. It provides examples of common metals like iron, copper, and aluminum and non-metals like carbon and oxygen. It describes the physical properties of malleability, ductility, conductivity, luster, strength, and sonority that distinguish metals from brittle non-metals. It also discusses the chemical properties of metals like oxidation and reactions with water and acids, as well as uses of metals and non-metals.
Metals occur naturally in the Earth's crust and most are found as ores, which are metal compounds. The 6 metals first used by prehistoric humans were gold, silver, lead, copper, tin, and iron. Metals are extracted from ores through smelting and can be further refined. Steel is an alloy of iron with 0.5-1.5% carbon, making it not a pure metal. Metals are strong, conductive materials that are important for tools, infrastructure, and more due to their properties.
This document contains questions and answers about metals and non-metals. It discusses examples of different types of metals based on their properties, such as mercury being liquid at room temperature. It also defines terms like malleable and ductile. Additional questions cover topics such as why sodium is stored in kerosene oil, displacement reactions between metals and solutions, and the reactivity series of metals. The document also discusses obtaining metals from oxides, alloys, corrosion prevention, and distinguishing metals from non-metals using physical tests.
The document provides an outline for a series of lectures on metals, minerals, mining and environmental problems. It discusses various topics including ore mineralogy, mining methods, ore processing, waste management, and environmental and social concerns. Specific problems examined include surface subsidence from underground mining, rockbursts, tailings dam failures, cyanidation wastes, radioactive wastes, and acid mine drainage. The document also provides background information on elements, minerals, rock types, and ore deposit geology.
CBSE Class 8 Science _Metals and non metalschandkec
- The document discusses substances found in nature which can be categorized as natural or artificial/man-made substances. Natural substances such as coal and petroleum are further divided into metals and non-metals. Artificial substances are those made by humans like chairs and tables.
- The document then discusses atoms, elements, and molecules. Atoms are made up of electrons, protons, and neutrons. Valence electrons determine how atoms bond together. Metals and non-metals are introduced along with their properties. Corrosion of metals is discussed along with methods to prevent corrosion like painting, greasing, and electroplating.
Relation between reactivity of a metal and the date it was discoveredIsha1597
The document examines the relationship between a metal's position in the reactivity series and when it was discovered by humans. It finds that generally, less reactive metals like gold and copper were discovered earlier, while more reactive metals tended to be discovered later as extraction methods advanced. Some exceptions include platinum, mercury, and iron. The document provides timelines of metal discoveries and discusses properties that made early metals identifiable and useful to ancient civilizations.
The document examines the relationship between a metal's position in the reactivity series and when it was discovered by humans. It finds that generally, less reactive metals like gold and copper were discovered earlier, while more reactive metals tended to be discovered later as extraction methods advanced. Some exceptions include platinum, mercury, and iron. The document provides timelines of metal discoveries and discusses properties that made early metals identifiable and useful to ancient civilizations.
Metals make up about 3/4 of all elements and have several defining properties, including high melting points, conductivity of heat and electricity, strength and hardness. Metals are obtained from ores through extraction processes involving chemical reactions at high temperatures. Iron and steel rust when exposed to water and oxygen, but salt and acid rain can accelerate the process. Different metals like aluminum, copper, gold, and steel are used for various applications based on their properties and costs. Alloys are mixtures of metals that can enhance properties like hardness. Common alloys include brass and bronze. Most metals can be recycled to recover their materials.
Material science and Metallurgy Lecture 2.pptxsagar642508
This document provides an overview of the history of metals and metallurgy from early discoveries to modern applications. It discusses how the first metals like copper and gold were discovered and processed through techniques like annealing and casting. The development of alloys like bronze by mixing copper and tin is also covered. Major milestones like iron production, the blast furnace, Bessemer steel making, and aluminum extraction are summarized. The document concludes by briefly outlining some modern metallurgical advances and their applications in transportation, electronics, medicine, and materials science.
Metals, nonmetals, and metalloids can be distinguished by their physical properties. Metals are typically solids, shiny, malleable, and good conductors of heat and electricity. Nonmetals may be solids, liquids, or gases, have a dull luster, and are poor conductors. Metalloids have properties in between metals and nonmetals, and some are useful semiconductors. Most metals are found combined with other elements in minerals and ores in the Earth's crust. Carbon is unusual in that it can form graphite, which is brittle, or diamonds, the hardest natural material, depending on the arrangement of carbon atoms.
Iron is the 26th element on the periodic table. It is one of the most useful metals to humans, being a key component of steel and having a variety of industrial uses. Iron is rarely found in its pure form naturally and is usually extracted from iron ores like magnetite through high-temperature processes in blast furnaces. Throughout history, iron has played an important role in the development of civilizations both through its use in tools and weapons.
1. The document discusses the properties and classification of elements as metals and non-metals. It describes experiments showing that metals conduct heat and electricity well, are malleable, and have high melting points, while non-metals are poor conductors and have low melting points.
2. Metals discussed include iron, copper, aluminum, gold, and silver. Non-metals include carbon, sulfur, and oxygen. Common uses of metals mentioned are making bridges, wires, coins, pots, and jewelry. Carbon is used in batteries.
3. The document provides a table comparing key properties of metals and non-metals and exercises to classify materials and understand their properties and uses.
1) The document discusses whether there is a connection between the reactivity of a metal and when it was discovered.
2) It notes that the less reactive metals like gold and copper were among the first metals discovered, around 6000 BC and 4200 BC respectively, while more reactive metals were typically discovered later as technology advanced.
3) The conclusion is that more reactive metals were generally discovered later than less reactive metals because they required more advanced techniques to isolate from their ores, given their higher reactivity.
Roman city dig: session 7, 2012: Roman metals, by Geoff Tindall Ecomuseum Cavalleria
The document discusses metals used in the ancient Roman world such as gold, silver, copper, iron, tin, and zinc. It describes how these metals were obtained from ores through processes like roasting and smelting. Important metal alloys of the time included bronze, brass, pewter, and steel. While iron could be extracted, the Romans lacked technology to cast or smelt it, so they used the "bloom" and forging process to produce wrought iron and steel. Bronze remained commonly used since it could be cast unlike iron. The document also notes the cupellation process used to separate silver from lead.
The document discusses the relationship between when metals were discovered and their reactivity. Metals discovered earlier, before the 18th century, tended to be less reactive than those found more recently. As techniques for separating metals improved over time, such as electrolysis which was needed for highly reactive metals like magnesium, more complex and reactive metals could be isolated which led to more discoveries in the 19th century. Examples are given of specific metals like arsenic, bismuth, zinc, cobalt, and nickel to show how their discovery and production methods related to their reactivity and technological advances.
Chapter 6 lands and its resources form3 scienceMaslen Dadee
The document discusses the various minerals found in the Earth's crust, including their composition and properties. It notes that silicate minerals containing oxygen and silicon make up most of the Earth's crust by weight. Key properties of minerals discussed include hardness, reactivity, solubility, and how they are affected by heat. When heated, most metal carbonates decompose to metal oxides and carbon dioxide gas. Metal oxides are generally stable when heated, except for mercury and silver oxides. Metal sulphides typically decompose to metal oxides and sulphur dioxide gas when strongly heated.
This document provides information about the physical and chemical properties of metals and non-metals. It discusses how metals are lustrous and good conductors of heat and electricity, while non-metals are generally dull, soft, and poor conductors. It describes how metals react with acids to produce hydrogen gas, while non-metals typically do not react. Examples of displacement reactions are provided. Common uses of metals and non-metals are outlined.
Metals and non-metals class 10th presentation. For all those who have been given an assignment just like me to make a ppt, this might help.
Enjoy 10th grade. In this presentation, we unravel the fundamental differences between these two categories of elements. Explore the conductivity of metals and learn how they play a vital role in electrical systems and technology. Delve into the world of non-metals and uncover their diverse applications, from supporting life as essential components of organic compounds to their roles in various industrial processes.
My presentation isn't just about theoretical concepts. We've included engaging visuals, interactive examples, and real-world case studies to make learning about metals and non-metals both enjoyable and insightful.
Everything has been covered in this. With pictures!
The document discusses the variety of minerals found in the Earth's crust, including both natural elements like gold and silver as well as natural compounds like bauxite and magnetite. It also covers the reactivity series of metals and how more reactive metals must be extracted from their ores using methods like heating with carbon or electrolysis, while less reactive metals can be found in purer form. A variety of everyday uses for common minerals are presented, along with the environmental impacts that can result from mining activities.
The document discusses the process of extracting metals from ores. It begins by explaining how the reactivity of metals determines whether they are found in nature in elemental form or as compounds in ores. Extraction involves removing impurities from the ore, converting metal compounds to oxides, and then reducing the oxides to elemental metals. Less reactive metals can be extracted by heating while more reactive metals require electrolysis or displacement by other reactive metals. The pure metals may then be refined electrolytically to remove remaining impurities.
Chapter 4 materials metals and non metals.pptxAbhisesSingh
This document discusses the properties and classification of elements as metals and non-metals. It provides examples of common metals like iron, copper, and aluminum and non-metals like carbon and oxygen. It describes the physical properties of malleability, ductility, conductivity, luster, strength, and sonority that distinguish metals from brittle non-metals. It also discusses the chemical properties of metals like oxidation and reactions with water and acids, as well as uses of metals and non-metals.
Metals occur naturally in the Earth's crust and most are found as ores, which are metal compounds. The 6 metals first used by prehistoric humans were gold, silver, lead, copper, tin, and iron. Metals are extracted from ores through smelting and can be further refined. Steel is an alloy of iron with 0.5-1.5% carbon, making it not a pure metal. Metals are strong, conductive materials that are important for tools, infrastructure, and more due to their properties.
This document contains questions and answers about metals and non-metals. It discusses examples of different types of metals based on their properties, such as mercury being liquid at room temperature. It also defines terms like malleable and ductile. Additional questions cover topics such as why sodium is stored in kerosene oil, displacement reactions between metals and solutions, and the reactivity series of metals. The document also discusses obtaining metals from oxides, alloys, corrosion prevention, and distinguishing metals from non-metals using physical tests.
The document provides an outline for a series of lectures on metals, minerals, mining and environmental problems. It discusses various topics including ore mineralogy, mining methods, ore processing, waste management, and environmental and social concerns. Specific problems examined include surface subsidence from underground mining, rockbursts, tailings dam failures, cyanidation wastes, radioactive wastes, and acid mine drainage. The document also provides background information on elements, minerals, rock types, and ore deposit geology.
CBSE Class 8 Science _Metals and non metalschandkec
- The document discusses substances found in nature which can be categorized as natural or artificial/man-made substances. Natural substances such as coal and petroleum are further divided into metals and non-metals. Artificial substances are those made by humans like chairs and tables.
- The document then discusses atoms, elements, and molecules. Atoms are made up of electrons, protons, and neutrons. Valence electrons determine how atoms bond together. Metals and non-metals are introduced along with their properties. Corrosion of metals is discussed along with methods to prevent corrosion like painting, greasing, and electroplating.
Relation between reactivity of a metal and the date it was discoveredIsha1597
The document examines the relationship between a metal's position in the reactivity series and when it was discovered by humans. It finds that generally, less reactive metals like gold and copper were discovered earlier, while more reactive metals tended to be discovered later as extraction methods advanced. Some exceptions include platinum, mercury, and iron. The document provides timelines of metal discoveries and discusses properties that made early metals identifiable and useful to ancient civilizations.
The document examines the relationship between a metal's position in the reactivity series and when it was discovered by humans. It finds that generally, less reactive metals like gold and copper were discovered earlier, while more reactive metals tended to be discovered later as extraction methods advanced. Some exceptions include platinum, mercury, and iron. The document provides timelines of metal discoveries and discusses properties that made early metals identifiable and useful to ancient civilizations.
Metals make up about 3/4 of all elements and have several defining properties, including high melting points, conductivity of heat and electricity, strength and hardness. Metals are obtained from ores through extraction processes involving chemical reactions at high temperatures. Iron and steel rust when exposed to water and oxygen, but salt and acid rain can accelerate the process. Different metals like aluminum, copper, gold, and steel are used for various applications based on their properties and costs. Alloys are mixtures of metals that can enhance properties like hardness. Common alloys include brass and bronze. Most metals can be recycled to recover their materials.
Material science and Metallurgy Lecture 2.pptxsagar642508
This document provides an overview of the history of metals and metallurgy from early discoveries to modern applications. It discusses how the first metals like copper and gold were discovered and processed through techniques like annealing and casting. The development of alloys like bronze by mixing copper and tin is also covered. Major milestones like iron production, the blast furnace, Bessemer steel making, and aluminum extraction are summarized. The document concludes by briefly outlining some modern metallurgical advances and their applications in transportation, electronics, medicine, and materials science.
Metals, nonmetals, and metalloids can be distinguished by their physical properties. Metals are typically solids, shiny, malleable, and good conductors of heat and electricity. Nonmetals may be solids, liquids, or gases, have a dull luster, and are poor conductors. Metalloids have properties in between metals and nonmetals, and some are useful semiconductors. Most metals are found combined with other elements in minerals and ores in the Earth's crust. Carbon is unusual in that it can form graphite, which is brittle, or diamonds, the hardest natural material, depending on the arrangement of carbon atoms.
Iron is the 26th element on the periodic table. It is one of the most useful metals to humans, being a key component of steel and having a variety of industrial uses. Iron is rarely found in its pure form naturally and is usually extracted from iron ores like magnetite through high-temperature processes in blast furnaces. Throughout history, iron has played an important role in the development of civilizations both through its use in tools and weapons.
Similar to Alchemy.ppt presentation about alchemy on powerpoint (20)
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
How to Fix the Import Error in the Odoo 17Celine George
An import error occurs when a program fails to import a module or library, disrupting its execution. In languages like Python, this issue arises when the specified module cannot be found or accessed, hindering the program's functionality. Resolving import errors is crucial for maintaining smooth software operation and uninterrupted development processes.
This presentation includes basic of PCOS their pathology and treatment and also Ayurveda correlation of PCOS and Ayurvedic line of treatment mentioned in classics.
How to Make a Field Mandatory in Odoo 17Celine George
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
How to Add Chatter in the odoo 17 ERP ModuleCeline George
In Odoo, the chatter is like a chat tool that helps you work together on records. You can leave notes and track things, making it easier to talk with your team and partners. Inside chatter, all communication history, activity, and changes will be displayed.
Walmart Business+ and Spark Good for Nonprofits.pdfTechSoup
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
Executive Directors Chat Leveraging AI for Diversity, Equity, and InclusionTechSoup
Let’s explore the intersection of technology and equity in the final session of our DEI series. Discover how AI tools, like ChatGPT, can be used to support and enhance your nonprofit's DEI initiatives. Participants will gain insights into practical AI applications and get tips for leveraging technology to advance their DEI goals.
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UPRAHUL
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.
3. Alchemy vs. Chemistry
The Alchemist
The Alchemist’s Dream
Zinc Pennies
Alchemy vs. Chemistry
Pure Science
Applied Science
Aluminum Mining
Corning Glass
Fertilizers (5-15-10)
Areas of Chemistry
Stereotypes of Chemists
A Career in Chemistry
Forensic Scientist
The Scope of Chemistry
Starting Salaries
6. Copper was used to make
bullet shells in WW II. By
1943, the supply of copper
metal was in short supply. The
US government did not want
to ‘waste’ copper on making
pennies.
Pennies were made with steel
metal. They looked silver.
Zinc Pennies
Before 1982, all pennies were
solid copper (except 1943).
After 1982, pennies were made
from zinc. A thin coating of
copper was pressed on the zinc.
A shortage of copper drove the
price of copper up in the early
1980s. If melted down, the copper
could be sold for more than one
cent.
7. Democrat vs. Republican
Alike Different
Different
Topic Topic
Democrat
politicians
ethical
un conservative
liberal
right
left
support
big business
support
'little man' ?
Republican
9. “I think you’ve crossed that thin line
between transmuting and cooking.”
10. Paracelsus
Man consisted of three elements
SALT represented the body
SULFUR the soul
MERCURY the spirit
He thought he could rearrange the amounts of the
elements to change man.
He desired immortality
and searched for a
mystical elixir of life.
11. The Beginnings
The Greeks believed there
were four elements.
early practical chemistry:
household goods, weapons,
soap, wine, basic medicine
earth air fire water
D ~
~
D
___
D
___
13. Alchemy
Allegedly, this substance would turn
cheap metals into gold.
In Europe,
alchemy was
the quest for the Philosopher’s Stone
(the elixir, the Sorcerer’s Stone).
14. transmutation
In ordinary chemical reactions, we cannot
transmute elements into different elements.
changing one substance into another
COPPER GOLD
Philosopher’s Stone
15. Early Ideas on Elements
Robert Boyle stated...
– A substance was an
element unless it could
be broken down to two
or more simpler
substances.
– Air therefore could not
be an element because
it could be broken down
in to many pure
substances. Robert Boyle
16. Alchemy
• After that 'chemistry' was
ruled by alchemy.
• They believed that that
could take any cheap
metals and turn them into
gold.
• Alchemists were almost
like magicians.
– elixirs, physical immortality
18. Alchemy
. . . . .
. . . .
. . .
. .
.
GOLD SILVER COPPER IRON SAND
Alchemical symbols for substances…
transmutation: changing one substance into another
In ordinary chemistry, we cannot transmute elements.
D
19. GOLD SILVER COPPER IRON
. . . . .
. . . .
. . .
. .
.
SAND
Alchemy (~500 – 1300 A.D.)
Alchemical symbols for substances…
transmutation: changing one substance into another
the quest for the
Philosopher’s Stone
It was supposed to change cheap metals into gold.
In ordinary chemistry, we cannot transmute elements.
Contributions of alchemists: lab apparatus / procedures
how to make some alloys
properties of some elements
The Alchemist, by David Teniers
20. Alchemy was practiced in many regions of the
world, including China and the Middle East.
Alchemy arrived in western Europe
around the year 500 C.E.
Modern chemistry evolved from alchemy.
21. Contributions
of alchemists:
Information about elements
- the elements mercury, sulfur, and antimony were discovered
- properties of some elements
Develop lab apparatus / procedures / experimental techniques
- alchemists learned how to prepare acids.
- developed several alloys
- new glassware