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Please show all work. Don't manipulate the equation. Keep the format in... Ln (P2/P1) = - Hvap/R * (1/T1 - 1/T2) The vapor pressure of

Please show all work. Don't manipulate the equation. Keep the format in...

Ln (P2/P1) = - Hvap/R * (1/T1 - 1/T2)

The vapor pressure of a substance is 30 torr at 250K. At what temperature will the substance have a vapor pressure of 150 torr? The enthalpy of vaporization is 45kJ/mol

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