The temperature and pressure at which all three phases can coexist in equilibrium is
A)0.25 atm and 110°C.
B)1.0 atm and 140°C.
C)1.25 atm and 300°C.
D)0.45 atm and 130°C.

Question

Quizplus · Accepted Answer

The temperature and pressure at which all three phases (solid, liquid, and gas) can coexist in equilibrium is known as the triple point. The given conditions in option D (0.45 atm and 130°C) are closest to typical values for a substance's triple point, though exact values depend on the specific substance.

The Temperature and Pressure at Which All Three Phases Can