Let’s check out this question on Energy Changes:
Question:
When solid potassium chloride is added to water, the temperature of the mixture falls. What conclusion can be made from this observation?
A. The process is endothermic.
B. The process is exothermic.
C. All solids dissolve with a fall in temperature.
D. Very little potassium chloride dissolves in water.
Anyone would like to share your answers for above Energy Changes questions?
PS: Leave your suggested answers and explanations in the “Comment” section below.
Rgds
Sean