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For nitrogen gas (treated as perfect gas), with CV,m=20.8JK1mol1,=0.43nm2, Please (1) Calculate its mean free path with the pressure 1KPa. (2) Calculate its diffusion coefficient

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For nitrogen gas (treated as perfect gas), with CV,m=20.8JK1mol1,=0.43nm2, Please (1) Calculate its mean free path with the pressure 1KPa. (2) Calculate its diffusion coefficient with the pressure 1KPa. (3) Calculate the thermal conductivity of the gas. Explain the reason that the diffusion coefficient is a function of the pressure, While it is not the case for the thermal conductivity

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