Which conclusion can be made from this observation? When solid potassium chloride is added to water, the temperature of the liquid goes down.
A. The process is exothermic.
B. The process is endothermic.
C. Very little potassium chloride dissolves in water.
D. All solids dissolve with a temperature decrease.
This question is part of IB Chem SL Energetics / Thermochemistry
Asked by Jaukin.c
, Last updated: Jan 16, 2020