Question #20353

What is the RMS speed of oxygen gas at 483 K?

Expert's answer

& v rms = sqrt (3RT/M)

where v rms is the root mean square of the speed, M m is the molar mass of the gas in kilograms per mole, R is the molar gas constant , and T is the temperature in kelvin.

v rms = sqrt (3RT/M) = sqrt ()3*8.31 J/molK*483)/32*10^-3 kg/mol) = 613 m/s

where v rms is the root mean square of the speed, M m is the molar mass of the gas in kilograms per mole, R is the molar gas constant , and T is the temperature in kelvin.

v rms = sqrt (3RT/M) = sqrt ()3*8.31 J/molK*483)/32*10^-3 kg/mol) = 613 m/s

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