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The K.E of N molecules of O(2) is x Jou...

The K.E of N molecules of `O_(2)` is x Joules at -123°C. Another sample of `O_(2)` at 27°C has a KE of 2x Joules. The latter sample contains________N molecules of `O_(2)`.

Text Solution

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`(K.E_1)/(K.E_2) = (n_1T_1)/(n_2T_2)` .
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