At 25∘C and 1 atm, which of the following has largest kinetic energy?
A
Ne
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B
Ar
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C
CO
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D
CO2
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E
All of the above has the same
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Solution
The correct option is D All of the above has the same All these gases would have the same average kinetic energy under these conditions. Average kinetic energy =32kT At a given temperature, average kinetic energy will be same for different gases.