Join the IDNLearn.com community and get your questions answered by knowledgeable individuals. Ask your questions and receive reliable, detailed answers from our dedicated community of experts.
Answer:
If heat flows into the surroundings (i.e., when a reaction is exothermic) the random motions of the molecules in the surroundings increase. Thus, the entropy of the surroundings increases. The second law of thermodynamics states that the total entropy of the universe always increases for a spontaneous process.