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(B) Intermolecular forces become significant at low temperatures and high pressures.$1$. At high pressure,the molecules are brought closer together,ma

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Low temperature and high pressure

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(B) Intermolecular forces become significant at low temperatures and high pressures.$1$. At high pressure,the molecules are brought closer together,making the attractive forces between them significant,which leads to a pressure correction term $\frac{a n^{2}}{V^{2}}$.$2$. At very low temperatures,the kinetic energy of the molecules is low. As the molecules move with low average speed,they can be captured by one another due to attractive forces,causing the gas to deviate from ideal behavior.

Under which conditions do intermolecular forces become effective?

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