Classify the following processes as spontaneous and nonspontaneous. Explain 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 explosion detonates after being struck by a falling rock. c) A coating of magnesium oxide forms on a clean piece of magnesium exposed 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.
Classify the following processes as spontaneous and nonspontaneous. Explain 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 explosion detonates after being struck by a falling rock. c) A coating of magnesium oxide forms on a clean piece of magnesium exposed 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.
Chapter8: Reaction Rates And Equilibrium
Section: Chapter Questions
Problem 8.4E
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Classify the following processes as spontaneous and nonspontaneous. Explain 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 explosion detonates after being struck by a falling rock.
c) A coating of magnesium oxide forms on a clean piece of magnesium exposed 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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