The total kinetic energy of a mixture of 4 g of H 2 and 4 g of He at 300 K is

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Question: Answered & Verified by Expert

The total kinetic energy of a mixture of

4 g

of

H_{2}

and

4 g

of He at

300 K

is

PhysicsKinetic Theory of GasesNEET

Options:

A $1800 R$
B $1750 R$
C $1950 R$
D $2500 R$

Solution:

1599 Upvotes Verified Answer

The correct answer is:

1950 R

U = \frac{5}{2} \times \frac{4}{2} R \times 300 + \frac{3}{2} \times \frac{4}{4} R \times 300

= (5 R + \frac{3}{2} R) \times 300 = \frac{13 R}{2} \times 300 = 1950 R

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