Related Questions

    1.

    For ideal gas, which statement is not true

    A

    The gas particles are in constant, random motion.

    B

    There are no attractive or repulsive forces between gas particles except during collisions.

    C

    Collisions between gas particles are perfectly elastic.

    D

    The volume of the gas particles is significant compared to the volume occupied by the gas.

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    2.

    In Vander Waal’s equation a and b represent (P+aV2)(Vβˆ’b)=RT\left( {P + \frac{a}{{{V^2}}}} \right)\left( {V - b} \right) = RT

    A

    Both aa and bb represent correction in volume

    B

    Both aa and bb represent adhesive force between molecules

    C

    aa represents adhesive force between molecules and bb correction in volume

    D

    aa represents correction in volume and bb represents adhesive force between molecules

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    6.

    The average kinetic energy of a gas molecules is

    A

    Proportional to pressure of gas

    B

    Inversely proportional to volume of gas

    C

    Inversely proportional to absolute temperature of gas

    D

    Directly proportional to absolute temperature of gas

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    8.

    The time average of the kinetic energy of one molecule of a gas taken over a long period of time

    A

    Is proportional to the square root of the absolute temperature of the gas

    B

    Is proportional to the absolute temperature of the gas

    C

    Is proportional to the square of the absolute temperature of the gas

    D

    Does not depend upon the absolute temperature of the gas

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    9.

    The average translational kinetic energy of a hydrogen gas molecules at NTP will be

    [Boltzmann’s constant kB=1.38imes10βˆ’23J/K{k_B} = 1.38 imes {10^{ - 23}}J/K]

    A

    0.186imes10βˆ’20Joule0.186 imes {10^{ - 20}}Joule

    B

    0.372imes10βˆ’20Joule0.372 imes {10^{ - 20}}Joule

    C

    0.56imes10βˆ’20Joule0.56 imes {10^{ - 20}}Joule

    D

    5.6imes10βˆ’20Joule5.6 imes {10^{ - 20}}Joule

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