For first reaction : We know
= -188 kJ
= -602 J/K = -0.602 kJ/K
T = 39oC = 312 K
= (-188) - (312)(-0.602)
= -0.176 kJ
As is negative .So The given reaction is spontaneous .Option A is correct.
For second reaction :
= -11 kJ
= -1353 kJ
T =312 K
= -[(-11+1353)/312]
= -4.301 kJ / K = -4301 J/K
As is negative .So The given reaction is spontaneous .Option A is correct.
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