For the following reaction X+Y⇌A+B at 300K the equilibrium constant is equal to 103. Therefore, ΔG and ΔG∘of the reaction at 300 K respectively are

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Both are equal to zero

17 .23 kJ and zero

Zero and -17 .23 kJ

Both are equal to -17 .23 kJ

answer is C.

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Detailed Solution

ΔG∘=−RTln⁡KeqΔG∘=−2.303RTlog⁡KeqΔG∘=−2.303×8.314×300×10−3×3ΔG∘=−17.23KJ Since the given reaction is at equilibrium, hence ΔG=0

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