Question

The vapor pressure, P, of a certain liquid was measured at twotemperatures, T. The data is shown in this table.

T(K) P(kPa)

325 3.28

775 7.10

If you were going to graphically determine the enthalpy ofvaporizaton, ?Hvap, for this liquid, what points would youplot?

x y

point 1 x axis in 3 significant figures and y axis in 4 significantfigures _____ _______

pont 2 x axis in 3 significant figures and y axis in 4 significantfigures _____ _______

Determine the rise, run, and slope of the line formed by thesepoints.

rise _______________ run________________ slope ______________

What is the enthalpy of vaporization of this liquid?

_________________ J/mol