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A real gas behaves like an ideal gas if ...

A real gas behaves like an ideal gas if its

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At low temperatures and high pressures.
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A gas behaves as an ideal gas at

Statement- 1 : A real gas behaves as an ideal gas at high temperature and low pressure . Statement- 2 : Liquid state of an ideal gas is impossible.

The molecules of a gas are in constant (i) _______ motion . They move in (ii) ________ lines until they collide with another molecule . The collisions are perfectly (iii) _________ in nature . A real gas behaves as an ideal gas at (iv) _________ temperature and (v) _________ pressure .

Statement-1: A reas gas nearly behaves like an ideal gas at low pressure and high temperature. Statement-2: If the ratio of translational and rotational degree of freedom is 1.5 the gas must be diatomic Statement-3: Most probable speed of a gas is proportional to absolute temperature of the gas.

A gas is said to behave like an ideal gas when the relation (pV)/(T) = constant. When do you expect a real gas to behave like an ideal gas ?

For an ideal gas :

For an ideal gas :

Boyle's temperature or Boyle point is the temperature at which a real gas starts behaving like an ideal gas over a particular range of pressure. A graph is plotted between compressibility factor Z and pressure P. What is the deviation of real gas from ideal behaviour in terms of compressibility factor , Z ?

Boyle's temperature or Boyle point is the temperature at which a real gas starts behaving like an ideal gas over a particular range of pressure. A graph is plotted between compressibility factor Z and pressure P. What is the variation of Z with pressure ?

A gas behave most like an Ideal gas under conditions of

ICSE-STATES OF MATTER : GASES AND LIQUIDS-SHORT ANSWER TYPE QUESTION
  1. Which law is signified by the equation : Vt = V0 (1+ t/273) State...

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  2. Calculate the value of R in SI and C.G.S. systems for one mole of a ga...

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  3. What is Dalton's law of partial pressure ? What do you understand by t...

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  4. What do you understand by the term suface tension?

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  5. What is the difference between diffusion and effusion ? Which law is a...

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  6. State five important assumptions of the kinetic theory of matter.

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  7. The average energy per molecule of a triatomic gas at room temperature...

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  8. What is the effect of increasing temperature on Maxwell's distribution...

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  9. Define average, root mean square and most probable velocities of gas m...

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  10. Which of the following expressions is true for an ideal gas ?

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  11. What do the constants a and b signify in van der Waals' equation ?

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  12. A gas is enclosed in a room. The temperature, pressure, density and th...

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  13. A gas is enclosed in a room. The temperature, pressure, density and th...

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  14. A gas is enclosed in a room. The temperature, pressure, density and th...

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  15. Explain the following: The tyre of an automobile is inflated to a ...

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  16. Explain the following: The size of a weather balloon becomes large...

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  17. Why is air at sea level denser than air at mountains ?

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  18. A real gas behaves like an ideal gas if its

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  19. State and explain the pressure-temperature law.

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  20. State Graham's law of diffusion.

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