1.

Give vapour pressure of Benzalehyde is 400torr at 154^(@)C and its normal BP is 179^(@)C. What is its molar entholpy of vaporisation, DeltaH_("vap")?

Answer»

`67.9KJ MOL^(-1)`
`10.3 KJ mol^(-1)`
`41.2 KJ mol^(-1)`
`56.4KJ mol^(-1)`

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