User:Milton Beychok/Sandbox

(GNU) Diagram: Wilfried Cordes
Heats of vaporization versus temperature.

Heat of vaporization, normal boiling point and critical
temperature and pressure of various liquids

Name	Formula	Hv		Tn		Tc		Pc
		( J/mol )		( °C )	( K )	( K )		( atm )
Acetic acid	C2H4O2	23,700		117.9	391.1	594.8		57.1
Acetone	C3H6O	29,100		56.2	329.4	508.7		47.0
Benzene	C6H6	30,720		80.0	353.2	562.1		48.6
n-Butane	C4H10	22,440		– 0.5	272.7	425.2		37.5
i-Butane	C4H10	21,300		– 11.9	261.3	408.2		36.0
Carbon tetrachloride	CCl4	29,820		76.6	349.8	556.3		45.0