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Escape of the more energetic molecules f...

Escape of the more energetic molecules from the surface of a liquid decreases the average temperature of the molecules that are left behind.

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Knowledge Check

  • For a surface molecule,

    A
    the net force on it is non zero
    B
    the net force on it zero
    C
    there is net downward force
    D
    there is net upward force

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