what the heat of a reaction at constant pressure is `-2.5 xx 10^(3)` cal and entropy change for the reaction is `7.4cal deg ^(-1)` , it is predicted t
what the heat of a reaction at constant pressure is `-2.5 xx 10^(3)` cal and entropy change for the reaction is `7.4cal deg ^(-1)` , it is predicted that the reaction at `25^(@)C`is
A. reversible
B. spontaneous
C. non-spontaneous
D. irreversible
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Correct Answer - c
heat at constant pressure means enthalpy, i.e. we have ` DeltaG= DetlaH- T DeltaS`
` =-2.5 xx 10^(3) - 298 xx 7.4 =- 4705 cal ` ltbr. Hence , the process is spontaneous.
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