Answer by just circling I need to check answers )8k e) it is nonspontaneous at a

Question

Answer by just circling I need to check answers )8k e) it is nonspontaneous at all temperatures 24. A reaction has a decrease in entropy of the system and is spontaneous. Therefore: a) the reaction is exothermic b) G, is positive c)AS sAS' u decrease in entropy e) the universe has a decrease in entropy ) the surroundings have a 25. Which of the following act as driving force(s) for a chemical reaction? a)reaction is exothermic b) reaction is endothermic c) reaction has an increase in entropy of the system d) reaction has an decrease in entropy of the system e) both a and

Explanation / Answer

24. Answer (a), for spontaneous reaction Gibbs energy should be negative or total entropy should be positive (increase), the best possible answer to make Gibbs energy negative is first using ?G = ?H-T?S.

25. Answer is( e),

Again using same reasons as in 24

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