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These are not chemical reactions but thermonuclear reactions.
Chemical energy
The light dependent reactions take in the light energy and convert that to chemical energy, but it is in the Calvin cycle (light independent reactions) where the chemical energy is stored in a complex sugar.
The chemical reaction that creates energy from the digested food, after the food has been absorbed into the body, is called the Kreb's Cycle. It is a series of chemical reactions that converts carbohydrates, proteins, fats, and alcohol into the very basic energy molecule called ATP.
Activation energy describes the energy that is required to get chemical reactions started.
Nuclear energy is not produced by chemical reactions
Metabolism is the total amount of chemical processes that occur in living organisms. The process causes growth, energy and eliminate waste.
These are not chemical reactions but thermonuclear reactions.
Chemical reactions that release energy often occur spontaneously. Chemical reactions that absorb energy will not occur without energy.
Chemical energy
Activation energy of reaction is the same regardless if it is in living organism or in test tube. Yet, the energy of activation can be lowered if catalyst is present. In living things catalyst lower the energy needed for chemical reactions.
The light dependent reactions take in the light energy and convert that to chemical energy, but it is in the Calvin cycle (light independent reactions) where the chemical energy is stored in a complex sugar.
Chemical energy is energy produced by chemical reactions. Burning gasoline is one example. The reactions of materials in a battery that produce electricy are another. There are many such examples. Mechanical energy is energy of a mechanical system, such as a motor or engine. Examples are the automobile, the electric motor. and so on. Converting chemical energy to mechanical energy is what makes a car go.
no, chemical energy is the energy released from chemical reactions
endothermic reactions require energy
Exothermic reactions release energy. Endothermic reactions absorb energy.
Chemical bonds always break in chemical reactions, causing changes in energy.