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WHY HELIUM MOLECULE IS NOT FOUND ?...

WHY HELIUM MOLECULE IS NOT FOUND ?

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MO DIAGRAM OF HYDROGEN, HELIUM & CARBON MOLECULE

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Knowledge Check

  • At what temperature the rms velocity of helium molecules will be equal to that of hydrogen molecules at NTP ?

    A
    844 k
    B
    64 k
    C
    `273^(@)c`
    D
    273 k

  • Molecular hydrogen at one atmosphere and helium at two atmosphere occupy volume V each at the same temperature. The rms velocity of hydrogen molecules is x times the rms velocity of helium molecules. What is the value of x ?

    A
    `1`
    B
    `2`
    C
    `sqrt(2)`
    D
    `sqrt(3)`

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