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Calculate the average kinetic energy in ...

Calculate the average kinetic energy in joules of the molecules in 8.0 g of methane at `27^@C`.

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(`6.21 xx 10^(-21)J`/ molecule)
`Ke = (3)/(2) k_(B) T : k_(B) =` Boltzmann's constant `= (3)/(2) xx 1.38 xx 10^(-23) xx 300 J = 6.21 xx 10^(-21) J//`molecule
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