In an oxidation reaction there is addition of oxygen molecules or removal of hydrogen molecules from a compound and loss of electrons from an atom / ion .
example -
S + O2 = SO2
These are not chemical reactions but thermonuclear reactions.
Exergonic reactions.
They are fusion reactions, and The force to get the reactions to occur comes from gravity.
Such reactions are called Exothermic reactions. Their change in enthalpy is negative. Such reactions are favorable at low temperature.
The initial reactions in photosynthesis are known as the light-dependent reactions. These reactions occur in the thylakoid membranes of the chloroplast and involve the absorption of light energy to drive the conversion of water into oxygen, ATP, and NADPH.
oxydising is generally based on a reaction called oxidation reaction.In a chemical reaction substances are capable of adding oxygen to others.These substances are called oxidising agents.This reaction is called as oxidationreaction."Addition of oxygen to other during chemical reaction is called oxydysing". for example-
These are not chemical reactions but thermonuclear reactions.
Electron transfer reactions. reactions involving losing and gaining electrons
physical reactions are reactions that handle physically
The two major sets of reactions involved in photosynthesis are the light-dependent reactions and the light-independent reactions (Calvin cycle). In the light-dependent reactions, light energy is used to produce ATP and NADPH, while in the Calvin cycle, ATP and NADPH are used to convert carbon dioxide into glucose.
Nuclear reactions in a nuclear reactor are controlled reactions. The reactions in the atomic bomb are not controlled reactions
Anabolic reactions are chemical processes in the body that build larger molecules from smaller ones. Another name for these reactions is biosynthetic reactions.
Biochemical reactions
The light reactions provide energy carriers for the dark reactions.
The dark reactions that occur in plants are dependent on the light reactions because the dark reactions need ATP and NADPH. ATP and NADPH are energy molecules that dark reactions need to do their job.
Exothermic reactions produce heat. Endothermic reactions take in heat from the surrounding area and get cold.
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