Related Questions

    1.

    Which of the following statements is INCORRECT regarding the distribution of molecular speeds in a gas sample?

    A

    The distribution depends on temperature.

    B

    The distribution depends on the molar mass of the gas.

    C

    All molecules in the sample have the same speed.

    D

    The most probable speed is not necessarily the average speed.

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    2.

    The gas having average speed four times as that of SO2{\rm{S}}{{\rm{O}}_2} (molecular mass 64) is

    A

    He (molecular mass 4)

    B

    O2  (molecular  mass  32){{\rm{O}}_2}{\rm{\;}}\left( {{\rm{molecular\;mass\;}}32} \right)

    C

    H2  (molecular  mass  2){{\rm{H}}_2}{\rm{\;}}\left( {{\rm{molecular\;mass\;}}2} \right)

    D

    CH4  (molecular  mass  16){\rm{C}}{{\rm{H}}_4}{\rm{\;}}\left( {{\rm{molecular\;mass\;}}16} \right)

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