# chemistry

When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -9.500 x 10^3 K.
According to the Clausius Clapeyron equation, Hvap is kJ/mol.

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1. http://www.science.uwaterloo.ca/~cchieh/cact/c123/clausius.html

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