Chemical Reaction On Energy And Carbon

1555 Words Aug 20th, 2015 7 Pages
Preliminary Chemistry-Assessment Task 3
Research – Energy and Carbon
Photosynthesis can be considered the most important chemical reaction on Earth. Most life on Earth is maintained using energy stored in the carbohydrate glucose produced by photosynthesis. Green plants contain chlorophylls, pigments, which have the ability to trap light energy. The trapped light energy is changed into chemical energy, which is stored in carbohydrates such as glucose (C6H12O6). Photosynthesis means building up, synthesis, and using light, photo. The raw materials for this process are carbon dioxide (CO2) gas from the atmosphere, and liquid water (H2O) obtained through the roots of land plants. A by-product of this process is oxygen (O2) gas, which
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They were formed from prehistoric plants and animals that lived hundreds of millions of years ago.
Think about what the Earth must have looked like 300 million years or so ago. The land masses we live on today were just forming. There were swamps and bogs everywhere. The climate was warmer. Ancient trees and plants grew everywhere. Strange looking animals walked on the land, and just as weird looking fish swam in the rivers and seas. Tiny one-celled organisms called protoplankton floated in the ocean.

When these ancient living things died, they decomposed and became buried under layers and layers of mud, rock, and sand. Eventually, hundreds and sometimes thousands of feet of earth covered them. In some areas, the decomposing materials were covered by ancient seas, then the seas dried up and receded.
During the millions of years that passed, the dead plants and animals slowly decomposed into organic materials and formed fossil fuels. Different types of fossil fuels were formed depending on what combination of animal and plant debris was present, how long the material was buried, and what conditions of temperature and pressure existed when they were decomposing.
For example, oil and natural gas were created from organisms that lived in the water and were buried under ocean or river sediments. Long after the great prehistoric seas and rivers vanished, heat, pressure and bacteria combined to compress and "cook" the organic material under
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