JiminsWifeu1057 JiminsWifeu1057

18-10-2017
Chemistry

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A gas made up of atoms escapes through a pinhole 0.155 times as fast as h2 gas. write the chemical formula of the gas.

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Kalahira Kalahira

28-10-2017

he ratio of the RMS velocities is 0.837 Now the RMS velocity is inversely proportional to the square root of the Mol Wt So we have V1/V(N2) = sq rt (28/M1) So [V1/V(N2)]^2 = 0.837^2 = 0.70 = 28/M1 from which M1 = 28/0.7 = 39.97 (Ar)

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