5. Determine the internal energy change Au of

nitrogen, in kJ/kg, as it is heated from 200 to 800 K,

using the following: [MO5]

a. The empirical specific heat equation as a

function of temperature (Table A-2c)

b. The cy value at the average temperature (Table

A-2b)

c. The cy value at room temperature (Table A-2a)