A phase diagram shows the states of a substance as a function of ________ and ________.
A)pressure; volume
B)volume; temperature
C)pressure; temperature
D)concentration; temperature
E)density; pressure

Question

Quizplus · Accepted Answer

The states of a substance depend on both pressure and temperature. The phase diagram shows the different combinations of pressure and temperature at which a substance exists as a solid, liquid, or gas. Therefore, the correct choice is (C) pressure and temperature.

A Phase Diagram Shows the States of a Substance as a Function