Ln(P2/P1) = (DH/R)*(1/T1-1/T2) . . . . . .(1)
where DH reads Delta H, and is the Hvap you are looking for when P1=100,
P2=760, T1=278.6, and T2=330. Put in every thing we get:
Hvap = R*Ln(P2/P1)/(1/T1-1/T2)
= 30.2 (kJ/mol)
Feb 10th, 2015
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