Topical Questions
These questions are keyed to major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
For each process, tell whether the entropy change of the system is positive or negative.
(a) Water boils.
(b) A teaspoon of sugar dissolves in a cup of coffee. (The system consists of both sugar and coffee.)
(c) Calcium carbonate precipitates out of water in a cave to form stalactites and stalagmites. (Consider only the calcium carbonate to be the system.)
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