Calculate the thermal velocity for Carbon dioxide gas

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Calculate the thermal velocity for Carbon dioxide gas (CO2: mass = 7.35 x 10-26 kg), Hydrogen (H2: mass = 3.33 x 10-27 kg) and for water vapor (H2O: mass = 3.0 x 10-26 kg) for the exosphere of Venus where the temperature is 350K.

Jul 14th, 2015

Thanks for the opportunity to answer your question!

Thermal Velocity  =  5.25 x 10-12 (T/mpart)1/2

Carbon Dioxide: 5.25 x 10-12 (350K/7.35 x 10-26kg)1/2

0.00000000000525 * (350K/7.35 x 10-26kg)1/2

0.00000000000525 * 69006555934235.42

= 362.28 m/s

Hydrogen: 5.25 x 10-12 (350K/3.33 x 10-27kg)1/2

0.00000000000525 * (350K/3.33 x 10-27kg)1/2

0.00000000000525 * 324199175053091.56

= 1702.05 m/s

Water Vapor: 5.25 x 10-12 (350K/3.0 x 10-26kg)1/2

0.00000000000525 * (350K/3.0 x 10-26kg)1/2

0.00000000000525 * 108012344973464.33

= 567.06 m/s


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Jul 14th, 2015

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