The enthalpy change for the reaction between hydrochloric acid and sodium hydroxide is -56 kJ mol¹. Therefore

Α the reaction is exothermic and the temperature rises.
B the reaction is exothermic and the temperature falls.
C the reaction is endothermic and the temperature rises.
Ꭰ the reaction is endothermic and the temperature falls.

1 answer

A the reaction is exothermic and the temperature rises.