what is difference between gas and vapors
Answers
Difference between Gas and vapour are :----
vapour is evaporated form of liquid present in the atmosphere .vapour is weighty then gas .
while
Gas is like CO2 ,o2 which are not eveporeted form gas are lighter then its vapour state .
Answer:Gas vs. Vapor
The word vapor in its natural state is a solid or liquid at room temperature. However, a gas in its natural state at room temperature would still be a gas. Example: 1) steam would be a vapor because at room temperature, it would be water, which is a liquid. 2) Nitrogen (a gas) at room temperature would still be in a gaseous state.
To make it more simple, a vapor is a substance which has experienced a phase change. Whereas, a gas is a substance which has not, and will not experience a phase change.
Gas is a state of matter while vapor is not.
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.
for example... = Water vapor is a perfect example of vapor. If temperature remains constant and pressure is increased, water vapor can be brought back to its original form which is water. It is surprising that we do not call water vapor as water gas, but always refer to smell of helium that emanates when balloons are being filled with it as gas. Similarly while filling gasoline in a motorcycle, if there is a smell of gasoline, you call it gasoline vapor and not gasoline gas.
Some experts have suggested that a vapor is something that can be seen or smelled or something that settles down on the ground, while one cannot see a gas but can only smell it. Though this differentiation is valid to many vapors and gases, you cannot smell water vapor.
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