Which of the following would increase the average speed the ideal gas molecules?
Lowering the temperature of gas
Compressing the gas with piston
Expanding the gas into vacuum
Heating the system at constant volume and pressure
A
Expanding the gas into vacuum
B
Lowering the temperature of gas
C
Compressing the gas with piston
D
Heating the system at constant volume and pressure
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Solution
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Heating the system at constant volume and pressure would increase the average speed the ideal gas molecules. With increase in temperature, the average speed increases. v=√8RTπM
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