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