Question

What information does a phase diagram give? A. The effect of temperature on volume changes of substances B. The effect of temperature and pressure on the phase of a substance C. The effect of concentration on the freezing point of a solution D. The effect of oxidation number on the melting point of a metal

Answer 1

The answer is A because The fact of temperature on volume changes of substance.

Answer 2

The phase diagram has been the graphical representation of the change in the phase of the substance over pressure and temperature range.

What is a phase?

The phase can be defined as the state of the substance at specified temperature and pressure.

The change in the temperature and pressure conditions resulted in the change in the state of the matter, and the changing points are termed as critical temperature and pressure.

Thus, the phase diagram has been the representation of the effect of temperature and pressure on the phase of the substance. Thus, option B is correct.

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