64. For each reaction, calculate AHxn, ASixn, and AGxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered. from 25 °C? a. 2 CH4(g) → C2H6(g) + H2(g) b. 2 NH3(g) → N₂H4(g) + H2(g)

64. For each reaction, calculate AHxn, ASixn, and AGxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered. from 25 °C? a. 2 CH4(g) → C2H6(g) + H2(g) b. 2 NH3(g) → N₂H4(g) + H2(g)

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter16: Thermodynamics

Section: Chapter Questions

Problem 31E: A reaction has H298=100 kj/mol and S298=250 J/mol K. Is the reaction spontaneous at room...

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