Chemistry of The Atmosphere Key Words

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13 Terms

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Earth’s Atmosphere

A mixture of gases surrounding the earth

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Photosynthesis

The process by which plants make food,

Carbon dioxide + water🡪glucose +oxygen.

This process increased the concentration of oxygen and reduced the concentration of carbon dioxide in the atmosphere.

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Sedimentary rocks

  • Rocks formed from sediments that have settled at the bottom of a lake, sea or ocean, and have been compressed over millions of years.

  • Formation of sedimentary rocks removed carbon dioxide from the atmosphere

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Fossil fuels

There are three types of fossil fuels: coal, gas and oil. All of these are burned to produce heat. They are so-called because all three are the fossilised remains of plants and sea creatures. The formation of fossil fuels removed carbon dioxide from the atmosphere

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what is the chemical expression of glucose

C₆H₁₂O₆ = Glucose

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Respiration

In aerobic respiration glucose is broken down using oxygen to produce carbon dioxide and water.

Glucose + oxygen🡪carbon dioxide + water (energy)

C6​H12​O6​ + 6O2​→ 6CO2​ + 6H2​O + Energy (ATP)

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Greenhouse effect

The way that greenhouse gases keep the surface of the earth warm. The green house gases such as methane and carbon dioxide act like a greenhouse around the Earth. Global warming is a result of the greenhouse effect

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Infra-red radiation

Longer wavelength radiation that is absorbed by greenhouse gases in the atmosphere and causes a rise in temperature

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Carbon foot print

The carbon footprint of a product, service, or event is the total amount of carbon dioxide and other greenhouse gases emitted over its full life cycle.

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Global dimming

A gradual reduction in the amount of light reaching the Earth's surface. This can be caused by carbon particulates (tiny solid particles)

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Nitrogen oxides

Produced as a result of nitrogen reacting with oxygen. A polluting gas that can cause asthma and acid rain

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Carbon monoxides

A gas which is a product of incomplete combustion of fossil fuels. It is a poisonous gas

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Sulphur Dioxide

A gas which is produced as a result of combustion of fossil fuels(containing sulfur). Can cause acid rain