Monday
July 28, 2014

Homework Help: chemistry urgent

Posted by Tyler on Sunday, April 20, 2014 at 11:49pm.

NH4NO3(s)+H2O(l)→NH4NO3(aq) ΔH = +25.7 kJ.
What is the final temperature in a squeezed cold pack that contains 45.5g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18J/(g⋅∘C) for the solution, an initial temperature of 29.0∘C, and no heat transfer between the cold pack and the environment

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