10
QuizMultiple Choice
Enthalpy and Phase Changes
Question 10 • Foothill-B Period-Chemistry-26/27B
The graph below illustrates a change in energy during a phase change.Which explanation correctly describes the phase change in the graph?
Answer
A
This is an exothermic reaction that involves melting.B
This is an exothermic reaction that involves freezing.C
This is an endothermic reaction that involves vaporization.D
This is an endothermic reaction that involves condensation.