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Section I:

1. In ideal gases, c-is always greater than co

2. For liquids and solids, the change in internal energy and enthalpy are identical.

3. The concept of boundary work applies to closed systems only.

4. the temperature of air will rise as it is compressed by an adiabatic compressor.

5. In isothermal processes of ideal gases, PV=C.

6. The specific heat ratio of air at 300 Kis

7. The specific heat of copper at room temperature is

kJ/kg.K.

8. The energy required to raise the temperature of 1-kg of Iron by 1 degree is

9. The boundary work associated with the expansion of 1-kg of air (as an ideal gas) from 600 kPa to 80 kPa at a constant temperature of 200°C is _kJ.

10. The energy required to raise the temperature of 10-kg of Nitrogen from 300 K to 301 K in a rigid tank is ____ kJ.