Twenty pounds of air at 25F is heated to 1000F. Determine the change in internal energy and

Question:

Twenty pounds of air at 25°F is heated to 1000°F. Determine the change in internal energy and enthalpy. Use:
i) Constant specific heats from Table B-2
ii) The ideal-gas table in Appendix F
iii) The specific heat at the average temperature from Table B-6
iv) Equation 2.30
v) The IRC Calculator