how does applying pressure help in the liquification of a gas
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on applying pressure the molecules are pushed closer, thus resulting in liquification
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According to Van Der Walls' equation (P+n²a/V²)(V-nb)=nRT we find that, when a lot of pressure is added to a gas in a chamber gas become liquid. Because P>>n²a/V². Also the extra-molecular attraction force gets grater as we add pressure. So gas becomes liquid and loses (molecular) kinatic energy.
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