Commercial Cold Packs Consist of Solid Ammonium Nitrate and Water $\circ$

Multiple Choice

Commercial cold packs consist of solid ammonium nitrate and water.NH₄NO₃ absorbs 25.69 kJ of heat per mole dissolved in water.In a coffee-cup calorimeter,5.60 g NH₄NO₃ is dissolved in 100.0 g of water at 22.0 ^$\circ$ C.What is the final temperature of the solution? Assume that the solution has a specific heat capacity of 4.18 J/g.K.

A) 0.0 ^$\circ$ C
B) 17.9 ^$\circ$ C
C) 11.6 ^$\circ$ C
D) -54.8 ^$\circ$ C
E) 26.1 ^$\circ$ C