state one difference between a gas and a vapour?
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gas can be any form of air but vapour is only gas
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A gas is a substance above its critical temperature but below its critical pressure, while a vapor is a substance above its boiling point temperature.
A vapor is a gas. To me, the word, "vapor" suggests a gas that was formed by evaporation of something that is a liquid at room temperature. For example, water vapor. It also connotes a gas that can be seen.
A vapor is a gas. To me, the word, "vapor" suggests a gas that was formed by evaporation of something that is a liquid at room temperature. For example, water vapor. It also connotes a gas that can be seen.
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