Chemistry · May / June 2024 · Paper 11 · Question 14

Ammonium nitrate dissolves in water. \[\ce{NH4NO3(s) ->[H2O] NH4NO3(aq)} \qquad \Delta H = +25\,\text{kJ}/\text{mol}\] Which statements are correct? 1 The process is endothermic. 2 The water gets colder during the process. 3 Thermal energy is absorbed by the ammonium nitrate from the water.

1. A1, 2 and 3
2. B1 and 2 only
3. C1 and 3 only
4. D2 and 3 only

As printed in the paper