1.

The `K_(P)` for reaction `A + B iff C + D ` is 1.34 at `60^(@)C` and 6.64 at ` 100 ^(@)C` . Determine the standard free energy change of this reaction at each temperature and `DeltaH^(@)` for the reaction over this range of temperature ?

Answer» Correct Answer - `- 810 J//mol ; - 5872 J//ml and 41.3 kJ //mol`.
`DeltaG=- 2.303 RT log K`
`DeltaG_(1) = - 810J//mol`
`DeltaG_(2) = - 5872J//mol`
`log .(K_(2))/(K_(1))= (DeltaH)/(2.303 R)[(T_(2)-T_(1))/(T_(1)T_(2))]`
`DeltaH = 41.3 kJ mol^(-1)`


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