Carbon dioxide

Carbon Dioxide (chemical formula CO2) is a colorless and odorless gas vital to life on Earth. It is produced by the respiration of animals and humans, and by the combustion of organic matter and fossil fuels.

Chemical Properties

Carbon dioxide is a linear compound composed of a carbon atom covalently double bonded to two oxygen atoms. It exists as a gas at standard temperature and pressure and is a very weak acid when dissolved in water.

Physical Properties

Carbon dioxide is a colorless, odorless gas. It is heavier than air and can accumulate in low areas. It can exist as a solid, liquid, and gas.

Biological Role

Carbon dioxide is a product of cellular respiration in most organisms. It is carried by the blood to the lungs, where it is exhaled. Plants use carbon dioxide in the process of photosynthesis, converting it into glucose and other energy-rich organic compounds.

Environmental Impact

Carbon dioxide is a greenhouse gas, meaning it traps heat in the Earth's atmosphere, contributing to global warming. Human activities, particularly the burning of fossil fuels, have significantly increased the concentration of carbon dioxide in the atmosphere, leading to an increase in global temperatures.

Industrial Uses

Carbon dioxide is used in a variety of industries, including the food industry, where it is used in carbonated drinks and to preserve freshness; the oil industry, where it is used in enhanced oil recovery; and the chemical industry, where it is used to produce urea, methanol, and other chemicals.

Safety

In high concentrations, carbon dioxide can be dangerous. It can cause unconsciousness or death by suffocation because it is heavier than air and can accumulate in low areas.

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Carbon_dioxide

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  Carbon dioxide 2D dimensions

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  CO2 vibrations

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  Millipore CO2

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  Electric conduction of vented and CO2 saturated desalinated water as function of temperature

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  Dry Ice Pellets Subliming

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  Carbon dioxide pressure-temperature phase diagram

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  Calvin cycle

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  Auto and heterotrophs

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  Main symptoms of carbon dioxide toxicity

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  Apollo 13 apparatus

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  CO2 Mini monitor TFA Dostmann