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What is the ratio of Kinetic Energy of He and N2 having equal mass and at temperature 300 K and 700 K?

What is the ratio of Kinetic Energy of He and N2 having equal mass and at temperature 300 K and 700 K? 

Grade:8

1 Answers

Ramreddy IIT Patna
askIITians Faculty 49 Points
9 years ago
As we know that KE of n moles of a gas = 3/2 x nRT
(KE) He / (KE) N2 = Molecular weight of N2 / Molecular weight of He
= 28/ 4
= 7

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