science

which ranks the gases in order of increasing average velocity?

H2<O2<Cl2<Xe

Xe<Cl2<O2<H2

O2=Cl2=H2<Xe

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  1. kinetic energy = 1/2 mv2
    where m is mass and v is velocity. At the same temperature all of the gases will have the same kinetic energy. Therefore, the higher the mass the ????? the velocity and the lower the mass the ????? the velocity.

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