Greenhouse gases Carbon dioxide is a colourless‚ odourless gas that makes up .04 percent of the earth’s atmosphere. It’s released by the breakdown of organic materials‚ by animals when they respire‚ and by the burning of fossil fuels. Carbon dioxide isn’t toxic—after all‚ we exhale it with every breath and use it to make our drinks fizzy. However‚ carbon dioxide is considered a pollutant because‚ as a greenhouse (heat-trapping) gas‚ it’s a significant contributor to global warming. In the last 150
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INDUSTRIAL GASES CHEMICAL ENGINEERING 140 CHEMICAL PROCESS INDUSTRIES 2ND SEM A.Y. 2012-2013 This report is submitted to Engr. Antonio Rivera‚ in partial fulfillment of the requirements of Chemical Engineering 140‚ Chemical Process Industries (2nd sem AY 1213). Submitted by: ________________________ Jc Justine Quintos Received by: _________________________ Engr. Antonio Rivera Jc Justine Quintos 2008-09038 Chemical Engineering 140 Chemical Process Industries INDUSTRIAL GASES ACKNOWLEDGEMENTS
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Experiment #1 Date: September 13‚ 2011 Title: Diffusion in Gases I Aim: To observe the diffusion of bromine Apparatus and Materials: Glass tube‚ bromine‚ fume chamber Diagram: Procedure: -Liquid bromine was placed in a jar and covered Observations: When first placed in the jar the original color of bromine was red-brown. As it began to diffuse its color changed from dark brown to a lighter brown until it becomes a yellow-like orange color. As it was diffusing liquid bromine changes its state
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Drew Staples 6/12/14 Properties of water Question Does mixing water with other substances change it’s boiling point. Research The boiling point of a liquid is when the temperature causes the vapor pressure to be equal to the air. Air density will change waters boiling point. High altitudes give water a lower boiling point. Hypothesis If the water is less dense then it will boil faster and the boiling point will be lower. Materials 1 Pot A Sink A Stove 1 tablespoon of sugar 1
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based on my research‚ wind energy is the result of the sun’s energy interacting with the earth’s surfaces. It is also an ideal renewable energy source that is infinitely sustainable; pollution free; doesn’t use fuel; and doesn’t produce greenhouse gases‚ toxic or radioactive waste. This type of energy is considered a green power technology because it has minor impacts on the environment. When using wind to generate electricity we use machines known as turbines and this turbines use blades that are
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Introduction: The presence of greenhouse gases in the Earth’s atmosphere last year reached its highest levels since pre-industrial times‚ a report released by the United Nations World Meteorological Organization (WMO) warns recently. Even if we managed to halt our greenhouse gas emissions today‚ and this is far from the case‚ they would continue to linger in the atmosphere for decades to come and so continue to affect the delicate balance of our living planet and our climate. The latest
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College Chemistry 1 Lab 16 Oxidation Reduction Lab 16 Introduction: I will learn about redox reactions. Materials and Methods: I placed ten drops of each substance into different wells. Then I took Magnesium and put it in the first one. I put Zinc into the second one. I placed lead into the third and fourth one‚ and put iron into the fifth one. Results: See Table Below. Discussion: I learned about different redox reactions. Questions: A. Sodium
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What are Greenhouse Gases? These are the gases that make up our atmosphere: Carbon Dioxide 89% Methane 7% Nitrous Oxide 3% Halocarbons 1% What is the Greenhouse Effect? The Greenhouse Effect is the way that gases in the atmosphere trap heat from the sun. They let heat in‚ but prevent most of it from escaping. It is essential for life because we need a certain amount of radiation to heat up our atmosphere. What human activities produce Greenhouse Gases? By burning fossil fuels such as coal‚ oil and
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Poisonous gases changed the experiences of the people in the war for the worse. Breaking on impact‚ the canisters released yellowish green fumes that wafted slowly toward the French and African troops near the Belgian town of Ypres. As the fumes reached the Allied forces‚ soldiers realized the cloud was poisonous chlorine gas. Quoted in Dooly’s Great Weapons of World War I‚ one French doctor at Ypres expressed his horror: “I had the impression that was looking through green glasses. At the same time
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Lab 15: Chemical and Physical Properties Introduction Pre-lab Questions 1. Determine if the following scenarios represent a chemical or physical property. a. Dry ice (CO2) sublimes (changes from a solid to gas) at -78 ⁰C at standard atmospheric pressure. Physical b. Iron metal rusts in moist conditions. Chemical c. Hydrogen peroxide decomposes in the presences of light or heat. Chemical d. Silver metal does not react with hydrochloric acid (HCl). Chemical e. Copper is a
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