Question

The ratio of mean translational kinetic energy of
nitrogen and helium at a given temperature is
(1) 1 : 14
(2) 1:7
(3) 1:1
(4) 1:6​

Answer 1

Answer:

Ratio of mean kinetic energy of both gases at given temperature must be 1 : 1

Explanation:

Mean translational kinetic energy of an ideal gas is given by the formula

$KE = \frac{3}{2}kT$

here we know

k = Boltzmann constant

$k = 1.38 \times 10^{-23}$

T = absolute temperature of the gas

Now we know that both helium and nitrogen is given at same temperature

so here mean kinetic energy of both the gases must be same

so ratio of kinetic energy must be 1 : 1

#Learn

Topic : Kinetic energy of ideal gas

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