Question

list few natural uses of chemical reactions​

Answer 1

1.Plants apply a chemical reaction called photosynthesis to convert carbon dioxide and water into food (glucose) and oxygen. It's one of the most common everyday chemical reactions and also one of the most important because this is how plants produce food for themselves and animals and convert carbon dioxide into oxygen. The equation for the reaction is:

6 CO2 + 6 H2O + light → C6H12O6 + 6 O2

2.Aerobic cellular respiration is the opposite process of photosynthesis in that energy molecules are combined with the oxygen we breathe to release the energy needed by our cells plus carbon dioxide and water. Energy used by cells is chemical energy in the form of ATP, or adenosine triphosphate.

Here is the overall equation for aerobic cellular respiration:

C6H12O6 + 6O2 → 6CO2 + 6H2O + energy (36 ATPs

3.Anaerobic respiration is a set of chemical reactions that allows cells to gain energy from complex molecules without oxygen. Your muscle cells perform anaerobic respiration whenever you exhaust the oxygen being delivered to them, such as during intense or prolonged exercise. Anaerobic respiration by yeast and bacteria is harnessed for fermentation to produce ethanol, carbon dioxide, and other chemicals that make cheese, wine, beer, yogurt, bread, and many other common products.

The overall chemical equation for one form of anaerobic respiration is:

C6H12O6 → 2C2H5OH + 2CO2 + energy

4.Every time you strike a match, burn a candle, build a fire, or light a grill, you see the combustion reaction. Combustion combines energetic molecules with oxygen to produce carbon dioxide and water.

For example, the equation for the combustion reaction of propane, found in gas grills and some fireplaces, is:

C3H8 + 5O2 → 4H2O + 3CO2 + energy

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