InterviewSolution
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InterviewSolution
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What are the signs of `DeltaS` for the system and for the surrounding in each of the following processes? (a) Water boils in a teakettle on a hot stove. (b) Ice in an ice cube tray, left an a table melts. (c) A cup of coffee is reheated in a microwave oven. |
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Answer» Correct Answer - (a) `DeltaS_("sys")` is positive ; `DeltaS_("surr")` is negative; (b) `DeltaS_("sys")` is positive , `DeltaS_("surr")` is negative; (c) `DeltaS_("sys")` is positive, `DeltaS_("surr")` is negative. `(a) DeltaS_(sys)` is positive , `DeltaS_("surr")` is negative, (b)` DeltaS_(sys)` is positive , `DeltaS_("surr")` is negative, (c)` DeltaS_(sys)` is positive , `DeltaS_("surr")` is negative. |
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