States of Matter - Result Question 20

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

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(a) KECO<KEN2

(b) KECO>KEN2

(c) KECO=KEN2

(d) cannot be predicted unless volumes of the gases are given

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Solution:

  1. (c) Average molar kinetic energy =32kT

As temperature is same hence average kinetic energy of CO and N2 will be same.



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