Question

How does pressure or temperature helps in liquefaction of gases?

Answer 1

Explanation: Pressure, volume and temperature help in liquefaction of gases. Pressure brings close to molecules of a gas that are far apart from each other. When more and more pressure is applied on gas molecules they come closer to each other so inter molecular forces start producing between gas molecules.

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Answer 2

Answer:

When we increase the pressure, the particles of gases come close to each other. As the particles come close to each other, the inter molecular spaces between them start to decrease.The gases have the highest inter molecular space between them while the liquids have comparatively lesser space. Hence the gases can be liquefied by reducing the gap between the molecules.

When we decrease the temperature, the particles of gases start to lose kinetic energy since temperature is directly proportional to temperature. When they loose kinetic energy the particles again come closer to each other which causes liquefaction of gases.

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