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Problem 18.65 100, 10 ! 》 ) A sealed box contains a monatomic ideal gas. The number of Part B Express your anart nprine unt
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b) The number of moles of atom is, m-Mn =(20 18gmo1)! 10-3 kg 1g 1mol 023x10 atoms 6, 3.35 x1026 kg/atom The average kinetic energy of an atom is, 2K 2(1.20x103 J/atom 3.35 x106 kg/atom - 26.76m/s

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