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Asked Nov 20, 2019
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What is J_max in rotational Boltzman distribution, and calculate J_max for HCl at 1000K 

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Step 1

The moment of inertia is calculated as shown in equation (1) where μ is the reduced mass and r is the bond length.

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(1)

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Step 2

Reduced mass for the HCl molecule is calculated as shown in equation (2) where MH and MCl(35) are molar masses of hydrogen and chlorine.

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МиM сЁ g mol М + M. Ci35 (2) н

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Step 3

The moment of inertia (I) in gm2 for the HCl is calculated as shown in equation (3) where MH and MCl(35) are molar masses of hydrogen and chlorine, and r is the bond length. The values for r,...

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МЕМ, I = 1 C135 mol C135 -(3) 6.022 х1023 mol- М. + M. н 1x 35 1 mol x(1.27х10-10 m 23 6.022 х10° mol 1+35 — 2.604 х10-44 g m?

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