A mixture of liquid and gaseous air is not a pure substance.

Iced water is a pure substance.

Select the wrong description associated with a compressed liquid or superheated vapour:

It takes more energy to vaporise 1 kg of saturated liquid water at 100 than it would at 120 .

Complete the sentence with one word:

is the ratio of the mass of vapour to the total mass of the mixture.

What is the quality for saturated water, when water just starts boiling?

A propane tank is filled with a mixture of liquid and vapour propane. The contents can be considered a pure substance.

Steam at a pressure of 3 bar has a specific enthalpy of 2900 kJ/kg. What is the condition of this steam?

Isobars in the superheated region in a T-v diagram have

A vapour that is about to condense is superheated vapour, otherwise it is saturated vapour.