The following are important carbon-bearing compounds and their chemical formulas

Question

The following are important carbon-bearing compounds and their chemical formulas that exist in the Earth and its Atmosphere: methane (CH4) carbon dioxide (CO2) atmospheric oxygen (02) water (H20) glucose (CsH120) fossil carbon, such as coal (C) 1) Using the compounds above write out balanced chemical reactions for the following processes that cycle Carbon through the Earth's reservoirs: A) Photosynthesis: In a plant, carbon dioxide and water combine to make glucose. 6CO2 6H20 - B) Respiration: An animal of your choice eats glucose, and breaks it down to make carbon >C6H1206+602 dioxide and water. C) Geological carbon sequestration: A plant full of glucose gets buried by sea level rise, and compression drives off the hydrogen and oxygen, leaving only carbon. D) Fossil fuel burning: Geologically sequestered carbon gets dug up and combined with atmospheric oxygen to produce carbon dioxide.

Explanation / Answer

A) Photosynthesis :

6CO2 + 6H2O -------------> C6H12O6 + 6O2

B) Respiration :

C6H12O6 + 6O2  ----------> 6CO2 + 6H2O + Energy

C) Geological carbon sequestration :

C6H12O6 ------------> 6C + 6H2O

D) Fossil fuel burning :

CH4 + 2O2 -----------> CO2 + 2H2O

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