1.

Delta_(f)G^(@) at 500 K for substance 'S' in liquid state and gaseous state are +100.7 kcal mol^(-1) and +103 kcal mol^(-1) respectively. Vapour pressure of liquid 'S' at 500 K is approximately equal to (R=2 cal k^(-1) mol^(-1))

Answer»

<P>`10` ATM
`0.1` atm
`1` atm
`100` atm

Solution :`DeltaG_("solid" to "liquid")=2.303 RT LOG.(p_(2))/(p_(1)),p_(1)=1 atm,p_(2)=?`


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