Posted by **Randy** on Tuesday, April 24, 2012 at 10:31pm.

the heat of fusion water is335 J/g. The heat of evaporization of water is 2.26 kJ/g, the specific heat of ice is 2.05 J/Deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be needed to convert 12.09 g of ice at -17 degree C to steam at 135 C

- chemistry -
**DrBob222**, Tuesday, April 24, 2012 at 10:49pm
Work this problem in pieces.

q with a single phase (liquid to liquid, vapor to vapor, solid to solid) = mass x specific heat in that phase x (Tfinal-Tinitial).

q at a phase change is

mass x heat fusion at zero C.

mass x heat vaporization at 100 C.

Then add each segment of q to find total Q.

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