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Qadim Rao Bhargava
Asked: 2022-10-31T13:44:08+05:30 In:

`Delta H^(@)` for the reaction `X_((g))+Y_((g))hArrZ_((g))` is `-4.6 kcal`, the valueof `DeltaU^(@)` of th e reaction at `227^(@)C` is `(R=2 cal.mol^(-1)K^(-1))`:
A. `-3.6 kcal`
B. `-5.6 kcal`
C. `-4.6 kcl`
D. `-2.6 kcal

`Delta H^(@)` for the reaction `X_((g))+Y_((g))hArrZ_((g))` is `-4.6 kcal`, the valueof `DeltaU^(@)` of th e reaction at `227^(@)C` is `(R=2 cal.mol^(-1)K^(-1))`:
A. `-3.6 kcal`
B. `-5.6 kcal`
C. `-4.6 kcl`
D. `-2.6 kcal
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1 Answer

  1. Correct Answer – A
    `DeltaH^(o)=Delta U^(o)+Deltan_(g)RT`
    `=4.6=Delta U^(@)-(1xx2xx500)/(1000)rArrDelta U^(o)= -3.6 kCal`

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