For them 5 cv r 208 j mol 1 eg nitrogen or oxygen

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Unformatted text preview: : 3 : 2 Diatomic molecules have two additional degrees of freedom associated with rotation (only two independent axes of rotation). For them 5 cv = R = 20.8 J mol −1 e.g. Nitrogen or Oxygen 2 7 so c p = cv + R = R 2 and we get cp : cv : R = 7 : 5 : 2 Polyatomic molecules have three degrees of freedom associated with rotation (all possible in Newtonian world). For them 6 cv = R = 25 J mol...
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This document was uploaded on 04/05/2014.

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