When solid is dissolved in water in a coffee-cup calorimeter

CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics

Problem

When solid

\text{NH}_4\text{NO}_3

is dissolved in water in a coffee-cup calorimeter, the temperature of the solution falls from

22.0\,\text{°C}

17.4\,\text{°C}

. Classify the dissolution process as endothermic or exothermic.