Anonymous
Anonymous asked in Science & MathematicsPhysics · 6 years ago

At STP which molecule will have maximum speed??? oxygen, nitrogen,both have same velocity?

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  • 6 years ago
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    the molar mass of O2 is 32 and of N2 is 28

    at STP they have the same KE (temp is a measure of avg KE)

    so from 1/2 m v^2

    the lighter molecule must move faster than the heavier molecule

    so

    N2 is faster

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