Question

Difference between vapor and gas.

Answer 1

Gas refer to a substance that has e singled defined thermodynamic state at room temperature whereas Vapour refers to a substance that is a mixture of two phases at room temperature, namely gaseous and liquid phase. A vapour can co exist with a liquid or solid when they are equilibrium state.


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Answer 2

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Vapour :-

• It exists as a combine of two states.
• It is a transition state, not the state of matter.
• This is formed above the critical temperature of liquid, and below the critical pressure.

Gas :-

• It exists in single state.
• It is a state of matter.
• These are formed during the boiling of liquid.