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17. Classify the following processes as spontaneous or nonspontaneðus. Expl your answers in terms of whether energy must be continually supplied to keep the process going: a) Water is decomposed into hydrogen and oxygen gas by passing electricity through the liquid. b) An explosive detonates after being struck by a falling rock. c) A coating of magnesium oxide forms on a clean piece of magnesium ex- posed to air.

17. Classify the following processes as spontaneous or nonspontaneðus. Expl your answers in terms of whether energy must be continually supplied to keep the process going: a) Water is decomposed into hydrogen and oxygen gas by passing electricity through the liquid. b) An explosive detonates after being struck by a falling rock. c) A coating of magnesium oxide forms on a clean piece of magnesium ex- posed to air.

Physical Chemistry
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter3: The Second And Third Laws Of Thermodynamics
Section: Chapter Questions
Problem 3.1E: Decide whether the following processes will be spontaneous, and why. The why can be general, not...
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17. Classify the following processes as spontaneous or nonspontaneous. Explain your answers in terms of whether energy must be continually supplied to ke'ep the process going: a) Water is decomposed into hydrogen and oxygen gas by passing electricity through the liquid. b) An explosive detonates after being struck by a falling rock. c) A coating of magnesium oxide forms on a clean piece of magnesium ex- posed to air. d) A light bulb emits light when an electric current is passed through it. e) A cube of sugar dissolves in a cup of hot coffee.
Transcribed Image Text:17. Classify the following processes as spontaneous or nonspontaneous. Explain your answers in terms of whether energy must be continually supplied to ke'ep the process going: a) Water is decomposed into hydrogen and oxygen gas by passing electricity through the liquid. b) An explosive detonates after being struck by a falling rock. c) A coating of magnesium oxide forms on a clean piece of magnesium ex- posed to air. d) A light bulb emits light when an electric current is passed through it. e) A cube of sugar dissolves in a cup of hot coffee.
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