Question

what is the difference between a gas and a vapour which of the following substance in the gaseous state should be called a vapour :oxygen ,chlorine ,iodine,flourine,

Answer 1

Answer:

Vapor is a mixture of two or more different phases at room temperature, these phases are liquid and gaseous phase. Gas usually contains a single thermodynamic state at room temperature. ... Gases are a state of matter. Vapor is usually formed of a substance above its boiling point temperature.

Explanation:

oxygen.

Answer 2

A gas is a substance above its critical temperature but below its critical pressure, while a vapour is a substance above its boiling point. -Gas is one of the 4 states of matter whereas vapour does not classify as such. It is just a substance in gaseous form. -Gas cannot be seen while vapours are visible

iodine is said vapor in the gaseous state