A cubically shaped vessel 20 cm on a side constains diatomic H2 gas at a temperature of 300 K. Each H2 molecule consists of two hydrogen atoms with mass of 1.66 10-24 g each, separated by 10-8 cm. Assume that the gas behaves like an ideal gas. Ignore the vibrational degree of freedom. i. What is the average velocity of the molecules? ii. What is the average velocity of rotation of the molecules around an axis which is the perpendicular bisector of the line joining the two atoms (consider each atom as a point mass)?

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