Description
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.
Explanation & Answer
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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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