I.Answer the following questions
1.Give an example with a balanced equation for each of the following reactions
a.exothermic reactions b.endothermic reactions c.photochemical reactions d.electrochemical reactions
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Explanation:
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For each photon of light absorbed by a chemical system, no more than one molecule is activated for a photochemical reaction, as defined by the quantum yield. When a molecule in the ground state absorbs light, one electron is excited to a higher orbital level. Hence, photochemical reactions are the reactions which occur in the presence of light.
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