Given ΔHrxn = -98.9 kJ and ΔSrxn = - 94.0 J/K at 25 oC for the combination reaction of sulfur dioxide plus one oxygen atom to yield sulfur trioxide in the gas phase, is this reaction spontaneous or nonspontaneous?     spontaneous     nonspontaneous     neither

Chemistry: An Atoms First Approach
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Author:Steven S. Zumdahl, Susan A. Zumdahl
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Chapter16: Spontaneity, Entropy, And Free Energy
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Problem 2RQ: What is the second law of thermodynamics? For any process, there are four possible sign combinations...
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  1. Given ΔHrxn = -98.9 kJ and ΔSrxn = - 94.0 J/K at 25 oC for the combination reaction of sulfur dioxide plus one oxygen atom to yield sulfur trioxide in the gas phase, is this reaction spontaneous or nonspontaneous?

       

    spontaneous

       

    nonspontaneous

       

    neither

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