A mixture of \( \mathrm{O}_{2} \) and \( \mathrm{He} \) kept in a container at \( 27^{\circ} \ma...

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A mixture of \( \mathrm{O}_{2} \) and \( \mathrm{He} \) kept in a container at \( 27^{\circ} \mathrm{C} \). Which of the following statements are correct?
(A) \( \mathrm{O}_{2} \) molecule will hit the wall of the container with smaller average speed as compared to \( \mathrm{He} \).
(B) \( \mathrm{O}_{2} \) molecules will hit the wall of the container with greater average speed as compared to \( \mathrm{He} \).
(C) \( \mathrm{O}_{2} \) molecule will hit the wall of the container with the greater kinetic energy as compared to \( \mathrm{He} \).
(D) \( \mathrm{O}_{2} \) molecule will hit the wall the container with equal kinetic energy as compare to \( \mathrm{He} \).
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