A mixture of the gases hydrogen and carbon dioxide (CO 2 ) is at 20C. A CO
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A mixture of the gases hydrogen and carbon dioxide (CO2) is at 20°C. A CO2 molecule has about 22 times the mass of a hydrogen molecule, whose average speed at 20°C is about 1.6 km/s. What is the average speed of a CO2 molecule in the mixture?
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