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What is the differences between partial pressure and vapour pressure?

What is the differences between partial pressure and vapour pressure?

Grade:11

1 Answers

sumit kumar
askIITians Faculty 13 Points
7 years ago
Partial Pressure is the term used for gaseous mixture while vapour pressure is used for liquids.
Partial pressure of a gas is the individual pressure of that gas present in a mixture of gaseous.
For a mixture containing three gases say A. B & C, the total pressure of the mixture will be sum of the partial pressures of gases A, B & C.
In other words, in a mixture of gases, each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the volume of the mixture at the same temperature
P total = p0A+ poB +poc
Vapor pressure of a liquid is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.
Thanks & Regards
Sumit Kumar
askIITians Faculty

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