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9 June, 18:21

True or False: Helium gas will effuse more rapidly than carbon monoxide gas.

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  1. 9 June, 19:13
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    true

    Explanation:

    The lighter a gas is, the faster it will effuse; the heavier a gas is, the slower it will effuse. Of all the choices, helium (He) has the lowest molecular weight (atomic weight in this case), so it will have the highest rate of effusion.
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