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Estimate the thermal conductivity of ethane at 67.2C and 191.9atm from the experimental value k=26.7mWm1K1 at 1 atm and 67.2C. Tc=305.4K,Pc=48.2 atm. [6 marks] Hint:

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Estimate the thermal conductivity of ethane at 67.2C and 191.9atm from the experimental value k=26.7mWm1K1 at 1 atm and 67.2C. Tc=305.4K,Pc=48.2 atm. [6 marks] Hint: use the graph Reduced temperature, Tr=T/Tc

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