Question

Let K1 and K2 be the average kinetic energies per molecule of O2 and N2 gas respectively at a given temperature. Then the
ratio K1/K2
(A) 1
(B)8/7
(C)7/8

(D) 2​

Answer 1

Answer:

7/8

Explanation:

this is the correct answer okay bye

Answer 2

Answer:

The ratio of K₁/K₂ will be 1 i.e.option(A).

Explanation:

The average kinetic energy of the gas is given as,

$E=\frac{3}{2} kT$          (1)

Where,

E=average kinetic energy of the gaseous molecule

k=boltzman constant=1.38×10⁻²³Joule/Kelvin

T=temperature of the gas in Kelvin

From equation (1) we can see that the average kinetic energy of the gaseous molecules depends only on temperature and it is independent of the nature of the gas.

Hence, the ratio of K₁/K₂ will be 1 i.e.option(A).

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