Question

The diagram below represents a phase change.



Which of the following best describes what is happening in the diagram?
A.
A liquid is changing into a gas because pressure in the system is increasing.
B.
A gas is changing into a liquid because thermal energy is being added to the system.
C.
A gas is changing into a liquid because thermal energy is being removed from the system.
D.
A liquid is changing into a gas because pressure in the system is decreasing.

Answer 1

No diagram.