Question

From left to right, the three regions of a phase diagram represent the _____ of a substance.

gas phase, liquid phase, and solid phase

melting point, triple point, and boiling point

solid phase, liquid phase, and gas phase

melting point, boiling point, and sublimation point

Answer 1

b. solid phase liquid phase and gas is correct

Answer 2

The appropriate answer is c. the solid phase, liquid phase and gas phase of a substance. A phase diagram is used to represent the phase or physical state of a substance at a given temperature or pressure. Pressure is represented on the y axis while temperature is represented on the x axis. Phase diagrams are used in areas such as Physics, Chemistry, Engineering, Mineralogy and Material Science.