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2 Determine the enthalpy change of nitrogen, in kJ/kg, as it is heated from 600 to 1000 K, using (a) the empirical specific heat equation

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2 Determine the enthalpy change of nitrogen, in kJ/kg, as it is heated from 600 to 1000 K, using (a) the empirical specific heat equation as a function of temperature, (b) the specific heat value at the average temperature, (c) the specific heat value at room temperature, and (d) calculate the percentage error in parts ( b and c ). [Ans. (a) 447.8kJ/kg ]

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