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The natural logarithm of the vapor pressure (in bar) of HCN(s) as a function of the reciprocal of thThermodynamics Chemistry Question

Question

The natural logarithm of the vapor pressure (in bar) of HCN(s) as a function of the reciprocal of the absolute temperature is plotted below.

What is the heat of sublimation of HCN?

A.

4.54 kJ mol–1

B.

15.9 kJ mol–1

C.

37.8 kJ mol–1

✓ Correct
D.

132 kJ mol–1

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