(a) When a 4 25 g sample of solid ammonium nitrate dissolves in 60 0 g of water in a coffee cup calorimeter (Figure 5 18), the temperature drops from 22 0 C to 16 9 C Calculate H (in kJ mol NH4NO3) for the solution process Assume that the specific heat of the solution is the same as that of pure wa...

a Follow the logic in Solution 555 The total mass of ...

(a) When a 4.25-g sample of solid ammonium nitrate dissolves in 60.0 g of water in a...

Question:

(a) When a 4.25-g sample of solid ammonium nitrate dissolves in 60.0 g of water in a coffee-cup calorimeter (Figure 5.18), the temperature drops from 22.0 °C to 16.9 °C. Calculate ΔH (in kJ/mol NH4NO3) for the solution process

Assume that the specific heat of the solution is the same as that of pure water.
(b) Is this process endothermic or exothermic?