Nature favors exothermic reactions because after such a reaction a. the energy p

Question

Nature favors exothermic reactions because after such a reaction a. the energy previously concentrated in a few particles is now dispersed over more particles in the system. b. the energy previously concentrated in a few particles is now dispersed over more particles in the surroundings. c. the energy previously concentrated in a few particles is now dispersed over more particles in both the system and the surroundings. d. the energy previously held in many particles is now concentrated in a few, resulting in a temperature rise. e. the energy previously held in many particles is now concentrated in a few, resulting in a temperature fall.

Explanation / Answer

The answer is c. When a reaction is exothermic, the heat energy is released from the system to the surrounding and the entropy of the surrounding will increase and gets postive value. Increase in entropy favours spontaneous reaction.

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