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18-2 Distribution of Molecular SpeedsThe molecules in a gas will not all have thesame speed; their distribution of speeds iscalled the Maxwell distribution:f( v)=2mv2 2kTAv e −withN = ∫ f ( v)dv0∞2A=4 πN( m/2 πkT) 3
18-2 Distribution of Molecular SpeedsThe Maxwell distribution depends only onthe absolute temperature. This figure showsdistributions for two different temperatures;at the higher temperature, the whole curveis shifted to the right.
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