1.

The u_(rms) of a gas at 300K is 3R^(1//2) The molar mass of the gas in kg mo1^(-1) is .

Answer»

0.02 kg/mol
0.001 kg/mol
0.003 kg/mol
1 kg/mol

Solution :`U_(RMS)=SQRT((3RT)/(M_(W)))`


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