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The value of DeltaH-DeltaE for the follo...

The value of `DeltaH-DeltaE` for the following reaction at `27^(@)C` will be
`2NH_(3)(g)toN_(2)(g)+3H_(2)(g)`

A

`8.314 xx 273 xx (-2)`

B

`8.314 xx 300 xx (-2)`

C

`8.314 xx 27 xx (-2)`

D

`8.314 xx 300 xx (2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`DeltaH-DeltaE=DeltanRT`
also, `2NH_(3(g))rarrN_(2(g))+3H_(2(g))`
`Deltan=2`.
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Knowledge Check

  • Calculate the difference between DeltaE and DeltaH for the following reaction at 27^(@)C (in kcal) C("graphite")+2H_(2)(g)toCH_(4)(g)

    A
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    B
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    D
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  • Equilibrium constant K_(C) for the following reaction at 800 K is, 4 NH_(3)(g)hArr (1)/(2)N_(2)(g)+(3)/(2)H_(2)(g) . The value of K_(p) for the following reaction will be N_(2)(g)+3H_(2)(g)hArr 2NH_(3)(g)

    A
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  • Which is the heat of reaction for the following reaction: CH_(4)(g) + NH_(3)(g) rarr 3H_(2)(g) +HCN(g) Use the following thermodynamic data in kJ/mol. N_(2)(g) + 3H_(2)(g) rarr 2NH_(3) (g) , Delta_(r )H^@ = -91.8 C(s) + 2H_(2)(g) rarr CH_(4)(g), Delta_(r )H^(@) = +74.9 H_(2)(g) + 2C(s) + N_(2)(g) rarr 2HCN(g), Delta_(r )H^(@) = 261.0

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