Which of the following expressions correctly represents the relationship between the average molar kinetic energy, KE of $C O_{2}$ and $N_{2}$ molecules at the same temperature?

K E_{C O} = K E_{N_{2}}

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K E_{C O} > K E_{N_{2}}

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K E_{C O} < K E_{N_{2}}

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Cannot be predicted unless volumes of the gases are given

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Solution

The correct option is A $K E_{C O} = K E_{N_{2}}$
$K E_{C O} = K E_{N_{2}}$
Because $K E = \frac{3}{2} R T$ . It only depends upon temperature.

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Which of the following expressions correctly represents the relationship between the average molar kinetic energy, KE of CO2 and N2 molecules at the same temperature?

The correct option is A KECO=KEN2KECO=KEN2Because KE=32RT. It only depends upon temperature.

Which of the following expressions correctly represents the relationship between the average molar kinetic energy, KE of $C O_{2}$ and $N_{2}$ molecules at the same temperature?

The correct option is A $K E_{C O} = K E_{N_{2}}$
$K E_{C O} = K E_{N_{2}}$
Because $K E = \frac{3}{2} R T$ . It only depends upon temperature.