Evidance: Chemical Reactions In Daily Life

Chemistry....
What is chemistry?
Why on earth are there many chemical compounds?
Why even happens a chemical reaction?
Chemical reactions are changes in elements or chemical compounds so that other compounds occur because of the loose element. The compounds or the initial compounds involved in the reaction are referred to as reactants. Different chemical reactions are used together in chemical synthesis to produce the desired product of the compound. There are many chemical reactions in everyday life, including:

1. Burning
Every time we light a match, burn a candle, make a fire, or light a grill, we will see a burning reaction. Combustion combines energetic molecules with oxygen to produce carbon dioxide and water.
For example, propane combustion reactions, found in gas grills and some fireplaces, are:

C3H8 + 5O2 → 4H2O + 3CO2 + energy

2. Mixing Chemical

If we just combine vinegar and baking soda to make chemical volcanoes or milk with baking powder in a recipe, we experience the displacement or double reaction metathesis (plus some other things). The material recombines to produce carbon dioxide and water gases. The carbon dioxide forms a bubble in the volcano and can help increase roasting. These reactions seem simple in practice, but often consist of several steps. Here is the overall chemical equation for the reaction between baking soda and vinegar :

HC2H3O2 (aq) + NaHCO3 (aq) → NaC2H3O2 (aq) + H2O (s) + CO2 (g)

3. Photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy, usually from the Sun, into a chemical energy that can then be liberated to fuel organism activity. This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water. Plants produce food for themselves and animals and convert carbon dioxide into oxygen.

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

4. Aerobic Respiration

Aerobic cellular respiration is the reverse process of photosynthesis in molecular energy coupled with the oxygen we breathe to release the energy needed by our cells plus carbon dioxide and water.

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

5. Anaerobic Respiration

Anaerobic respiration describes a set of chemical reactions that allow cells to gain energy from complex molecules without oxygen. Cell muscles perform anaerobic respiration every time we get rid of oxygen which then reaches them, like during intense or prolonged exercise. Anaerobic respiration by yeast and bacteria used 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

6. Rust
Rust is iron oxide, usually a red oxide formed by redox reactions of iron and oxygen in the presence of water or air humidity. Rust is a general term for corrosion of iron and its alloys, such as steel. Many other metals have equal corrosion, but the resulting oxide is not commonly called rust.
Here is the chemical equation for iron rust:

Fe + O2 + H2O → Fe2O3. XH2O

7. Saponification

The saponification reaction is a hydrolysis reaction of fats / oils by using strong bases such as NaOH or KOH to produce glycerol and fatty acid salts or soaps. To produce a hard soap is used NaOH, while to produce a soft soap or liquid soap used KOH. The difference between hard and soft soap when viewed from its solubility in water is hard soap is less soluble in water when compared with soft soap.