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Sticky Note
A gas is said to behave like an ideal gas when relation PV/T= Constant. When do you expect a real gas to behave like ideal gas?
  1. When the temperature is high and pressure is low
  2. When the temperature is low
  3. When both the temperature and pressure are low
  4. None of these
Explanation
  • A real gas behaves like an ideal gas at high temperature (molecules have enough kinetic energy to overcome intermolecular forces) and low pressure (molecules are far apart, reducing interactions).
  • Under these conditions, the gas follows the ideal gas equation PV=nRTPV = nRT.

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