Homework Help: Chemistry

Posted by Noelle on Friday, October 8, 2010 at 11:28pm.

When 112 g of water at a temperature of 22.5°C is mixed with 65.1 g of water at an unknown temperature, the final temperature of the resulting mixture is 46.3°C. What was the initial temperature of the second sample of water?

Chemistry - DrBob222, Friday, October 8, 2010 at 11:31pm
loss heat hot water + gain of heat by cold water = 0

[Mass1H2O x specific heat x (Tfinal-Tinitial)] + [mass2H2O x specific heat x (Tfinal-Tinitial)] = 0

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