1.

Heat of vaporization of benzene is 7350 cal K^(-1) "mol"^(-1). Calculate the change in entropy for converting 1 mole gaseous benzene to liquid benzene at 77^(@) C.

Answer»

21 CALORIE `K^(-1) "MOL"^(-1)`
`-21 "calorie" K^(-1) "mol"^(-1)`
`-21 "calorie" K^(-1)`
`21 "calorie" K^(-1)`

Answer :B


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