Predict the entropy change in- (i) A liquid crystallizes into solid (ii) Temperature of a crystalline solid raised from 0K to 115K.

Predict the entropy change in- (i) A liquid crystallizes into solid (ii) Temperature of a crystalline solid raised from 0K to 115K.
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Answer :

Ans. (i) Entropy decreases because molecules attain an ordered state.
 (ii) Entropy increases because from 0K to 115K average kinetic of moleculesincreases.
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