October 8, 2015

Homework Help: Chemistry

Posted by Dorian on Thursday, February 3, 2011 at 8:01am.

The heat capacity of liquid water is 4.18 J/gC and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67C into 1.00 g of steam at 100C?

A. 22.7 kJ
B. 40.8 kJ
C. 2.2 kJ
D. 2,400 J
E. 40.8 J

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