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An ideal gas or a perfect gas is that ……...

An ideal gas or a perfect gas is that ………………….the such as …………………….

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which obeys strictly all , gas laws , Boyal's law , charle's law etc.
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An ideal gas or a perfect gas is that which strictly obeys the gas laws (such as Boyle's Law, Charle's Law etc.) Two essential characteristics of an ideal gas are : (i) size of molecule of an ideal gas is zero. (ii) There is no force of attraction or reputation amongst the moleculess of an ideal gas. In view of this, no real gas is perfect. Read the above passage and answer the following questions : (i) Under what conditions do same real gases behave as nearly perfect gases ? What does this concept imply in day to day life ?

An ideal gas is that which

Knowledge Check

  • Perfect gas equation

    A
    `PV = R/T`
    B
    `PV = T/R`
    C
    `PV = RT`
    D
    `PV = RV`

  • 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

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    Internal energy of a perfect gas is independent of

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