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A gas behaves more closely as an ideal g...

A gas behaves more closely as an ideal gas at

A

low pressure and low temperature

B

low pressure and high temperature

C

high pressure and low temperature

D

high pressure and high temperature

Text Solution

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The correct Answer is:
B
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For an ideal gas :

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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 .

Knowledge Check

  • For an ideal gas :

    A
    the change in internal energy in a constant pressure process from temperature `T_1 toT_2` is equal to `nC_v(T_2-T_1),` where `C_v` is the molar specific heat at constant volume and n the number of moles of the gas.
    B
    the change in internal energy of the gas and the work done by the gas are equal in magnitude in an adiabatic process.
    C
    the internal energy does not change in an isothermal process.
    D
    no heat is added or removed in an adiabatic process.

  • For an ideal gas :

    A
    The change in internal energy in a constant pressure process form temperatures `T_(1)` and `T_(2)` is equal to `nC_(v) (T_(2) - T_(1))` where `C_(v)` is the molar heat capacity at constant volume and n is the number of moles of the gas
    B
    The change in internal energy and the work done by the gas are equal in magnitude in an adiabatic process
    C
    The internal energy does not change in isothernal process
    D
    no heat is added or removed in an adiabatic process

  • For an ideal gas,

    A
    the change m internal energy in a constant pressure process from temperature `T_1` to `T_2` is equal to, `nC_v(T_2-T_1)`, where `C_v` is the molar specific heat at constant volume and n is the number of moles of the gas
    B
    the change in internal energy of the gas is equal to the work done by the gas in magnitude in an adiabatic process.
    C
    The internal energy shows no change in an isothermal process
    D
    All of options A, B and C
    • CP SINGH-KINETIC THEORY OF GASES-Exercises
    1. A gas behaves more closely as an ideal gas at

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    2. The mass of 1 litre of helium under a pressure of 2 atm and at a tempe...

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    3. A gas is enclosed in a vessel at a pressure of 2.5 atm. Due to leak in...

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    4. The gas equation PV//T = constant is true for a constant mass of an id...

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    5. The density of a certain mass of a gas at STP is d. If the pressure of...

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    6. The quantity PV//kT represents

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    7. If pressure of a gas contained in a closed vessel is increased by 0.4%...

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    8. The pressure P, volume V and temperature T of a gas in the jqar A and ...

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    9. A vessel contains 1 mole of O2 gas (relative molar mass 32) at a tempe...

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    10. The pressure of a gas kept in an isothermal container is 200Kpa. If ha...

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    11. The gas in a vessel is subjected to a pressure of 20 atmosphere at a t...

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    12. Two identical cylinders at same temp contains hydrogen at 2.5 atm and ...

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    13. A vessel A has volume V and a vessel B has volume 2V. Both contain som...

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    14. A flask is filled with 13 g of an ideal gas at 27^(@)C and its tempera...

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    15. Air is filled in a bottle and it is corked at 35^(@)C. If the cork can...

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    16. Consider the quantity (MkT)/(pV) of an ideal gas where M is the mass o...

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    17. Two ballons are filled, one with pure He gas and other by air, repecti...

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    18. Two different masses m and 3 m of an ideal gas are heated separately i...

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    19. The pressure exterted on the walls of the container by a gas is due to...

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    20. At constant volume, temperature is increased. Then

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