A liquid has a vapour pressure of 40mm Hg at `19.0^(@)C` and a normal boiling point of `78.3^(@)C` What is its enthalpy of vaporization in KJ .`mol^(-1)`?

The vapour pressure of phoshorus trichoride is100 mm Hg at 21.0^(@) and its normal boiling point is 74.2^(@) C What is the enthalpy of vaporization in KJ .mol^(-1)

Diethyl ether has a normal boiling point of 35.0^(@)C and has an entropy of vaporization of 84.4 J//mol K. What is its enthalpy of vaporization?

The enthalpy of vaporization of a substance is 840 J per mol and its boiling point is -173^@C . Calculate its entropy of vaporization.

The enthalpy of vaporization of a substance is 840 J per mol and its boiling point is -173^@C . Calculate its entropy of vaporization.

Calculate the enthalpy change when 2.38 g of carbon monoxide (CO) vaporize at its normal boiling point.Enthalpy of vapourization of CO is 6.04 kJ mol^(-1) .

Calculate the boiling point of the liquid if its entropy of vaporization is 110 JK^(-1)" "mol^(-1) and the enthalpy of vaporization is 11JK^(-1)" "mol^(-1) and the enthalpy of vapporization is 40.85kJ" "mol^(-1) .

Molar enthalpy of vaporization of a liquid is 2.6 kJ. If boiling point of this liquid is 160^(@)c , the molar entropy of vaporization (in JK^(-1) ) unit is

The normal boiling point of toluene is 110.7^(@)C and its boiling point elevation constant 3.32 " K kg mol"^(-1) . The enthalpy of vaporization of toluene is nearly :