Part A

What is the final temperature in a squeezed cold pack that contains $47\mathrm{.}0g$ of $N{H}_{4}N{O}_3$ dissolved in $125mL$ of water? Assume a specific heat of $4\mathrm{.}18\frac{J}{g*C}$ for the solution, an initial temperature of $27\mathrm{.}0C,$ and no heat transfer between the cold pack and the environment.

$T_f=$

$C$

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