For each process, tell whether the entropy change of the system is positive or negative. (a) A

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For each process, tell whether the entropy change of the system is positive or negative. 

(a) A glassblower heats glass (the system) to its softening temperature. 

(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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Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

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