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The standard molar engthalpy of vaporisa...

The standard molar engthalpy of vaporisation of benzene `Delta_(vap)H^(@)` at 353 K is 30.8 kJ `mol^(-1)`.
If the benzene vapours behave as an ideal gas, the change in internal energy of vaporisation of 78 g of benzene at 353 K in kJ `mol^(-1)` is

A

`+37.56`

B

`-43.76`

C

`+43.76`

D

`+40.66`

Text Solution

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The correct Answer is:
A
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