Question

1. Write short note on the exothermic and endothermic process and reactions .

2. Write short note on rate of chemical reaction.



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Answer 1

Answer:

1.endothermic reaction-endotheremic reaction is a reactions in which the reactions absorb heat energy from the surrounding to form a product.

exothermic reaction- exothermic reaction is a reaction in which the reaction release heat energy to the surrounding .

2.the chemical rate or rate of reaction is the speed at which a chemical reaction takes place. Reaction rate is defined as the speed at which reactants are converted into products .Reaction rates can very dramatically.