Is the reaction Si (s) + 2 H2 (g) --> SiH4 (g) spontaneous under standard conditions at 298 K?  Answer this question by calculating delta-S(universe).  The "system" is comprised of reactants and products. What is delta-S (universe) **in 4 sig-figs**? Is this reaction spontaneous?

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section: Chapter Questions
Problem 26PS: Is the reaction Si(s) + 2 H2(g) SiH4(g) spontaneous under standard conditions at 298.15 K? Answer...
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2. Is the reaction Si (s) + 2 H2 (g) --> SiH4 (g) spontaneous under standard conditions at 298 K?  Answer this question by calculating delta-S(universe).  The "system" is comprised of reactants and products. What is delta-S (universe) **in 4 sig-figs**? Is this reaction spontaneous?

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