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December 21, 2014

Homework Help: chemistry

Posted by Capacino on Wednesday, June 24, 2009 at 1:45pm.

When ice at 0C melts to liquid water at 0C, it absorbs 0.334 kj of heat per gram. Suppose the heat needed to melt 31.5 g of ice is absorbed from the water contained in a glass. If this water has a mass of .210 kg and a temperature of 21.0C, what is the final temperature of the water? (Note that you will also have 31.5 g of water at 0C from the ice.)

My Homework
q=ms∆T
q=.210kg x 0.334 kJ/g x (final temp-21C)

This is where I get stuck I feel like I am forgetting a step (or maybe I am completely doing this wrong)but cannot find anything in my notes or text that helps. Can anyone help?

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