Part A Calculate the total rotational kinetic energy of the molecules in 1.00 mo

Question

Part A Calculate the total rotational kinetic energy of the molecules in 1.00 mol of a diatomic gas at 300 K. Krot 2490 J My Answers Give Up Correct Part B Calculate the moment of inertia of an oxygen molecule (O2) for rotation about either the y- or z-axis shown in Figure 18.18 in the textbook. Treat the molecule as two massive points (representing the oxygen atoms) separated by a distance of 1.21 x 10 10 m. The molar mass of oxygen atoms is 16.0 g/mol. I 1.94x10 kg m2 -46 My Answers Give Up Correct Part C Find the rms angular velocity of rotation of an oxygen molecule about either the y- or z-axis shown in 18.15 In a time dt a molecule with radius r will collide with any other molecule within a cylindrical volume of radius 2r and length v dt. 5.057 10 24 rad/s 2r Submit My Answers Give U Incorrect, Try Again, 3 attempts remaining v dt

Explanation / Answer

1st and 2nd are correct.
i am solving 3rd one for you
use:
KE = I*w^2
2490 = 1.94*10^-46 * w^2
w = 3.58*10^24 rsd/s

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