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April 18, 2014

Homework Help: chemistry

Posted by Anonymous on Tuesday, April 9, 2013 at 8:15am.

When 86.7 g of water at a temperature of 73 C is mixed with an unknown mass of water at a temperature of 22.3 C the final temperature of the resulting mixture is 61.7 C. What was the mass of the second sample of water?
(Specific heat of water 4.184 Jg-1C-1)

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