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April 20, 2014

Homework Help: chemistry

Posted by lynn on Sunday, July 15, 2012 at 8:13am.

NH4NO3(s) + H2O(l) NH4NO3(aq) ΔH = +25.7 kJ
What is the final temperature in a squeezed cold pack that contains 40.0 g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18 J/(gC) for the solution, an initial temperature of 25.0C, and no heat transfer between the cold pack and the environment.
For this question im suppose to use the q=mc delta T ?

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