1.

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

Answer»

`+37.56`
`-43.76`
`+43.76`
`+40.66`

ANSWER :A


Discussion

No Comment Found