Question: What is the distinction between gas and vapor?
The term vapor refers to the gas phase when it exists at a temperature below boiling temperature. Or we can say that it is a mixture of two or more different phases at room temperature. Whereas gas contains a single thermodynamics state at room temperature.
Anything that takes space and has some weight is called matter. Gas is also a state of matter, even though it isn't visible, it takes space and has some volume and mass. The gaseous state has neither a definite shape nor volume. An example of gas is oxygen, carbon dioxide, and water vapor.
Vapor is a substance in its gaseous state.
Eg: Water vapor, Iodine vapor
Eg: Helium, Oxygen, Nitrogen
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