The critical temperature of a substance is the
A. highest temperature at which the liquid phase can exist in equilibrium with the gas phase.
B. temperature above which the compound decomposes.
C. temperature at which all three phases can exist in equilibrium.
D. temperature at which sublimation occurs.
Answer:A
The critical temperature of a substance is the
A. highest temperature at which the liquid phase can exist in equilibrium with the gas phase. B. temperature above which the compound decomposes. C. temperature at which all three phases can exist in equilibrium. D. temperature at which sublimation occurs.