Differences between Vapor and Gas

The Differences between Vapor and Gas are very few and it is essential to know the key differences between the two to avoid any kind of confusion that may occur. Knowing the difference between the two can help one differentiate the meaning and difference of one over the other. Vapour is simply defined as the phase of a gas at a temperature where the same substance can exist in both liquid and solid states. Knowing how to calculate Vapor by using the Vapor pressure calculator can be incredibly useful.

Difference between Vapor and Gas

Usually, a vapour phase consists of a phase with two different substances at room temperature, whereas a gas phase consists of a single substance at a defined thermodynamic range, at room temperature. Thus, this is defined as the key differences between Vapor and Gas. You can find the major differences in the table below.

Difference between Vapor and Gas
Vapour Gas
Vapour 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.
Vapour has a definite shape of the gaseous particles when observed under a microscope. Gas does not a definite shape when it is observed under a microscope.
Vapour consists of random molecules and atoms moving randomly about. Gas also consists of random molecules and atoms moving about randomly.
Vapour is not a state of matter, unlike gases. Gases are a state of matter.
Vapours of water are around us all the time at temperatures below the boiling point of water. Gases are usually formed above its critical temperature, but below critical pressure.

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1 Comment

  1. thanks for the differentiation. it helped alot

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