EET 222
THERMODYNAMICS PQ

1. Gibbs free energy is represented by the symbol?

2. general gas equation formular?

3. What quantities appear in the first law of thermodynamics?

4. Temperature developed during a fluid flow is due to?

5. S. I unit for enthalpy is?

6. Which of the following thermodynamics law is defined by closed system?

7. For isentropic which of the thermodynamics properties is constant?

8. The minimum value of absolute temperature is?

9. Internal energy of a perfect gas depend on?

10. In isothermal process what happen?

11. Heat and work are what properties?

12. The S. I unit for energy is what?

13. Which of the following variables is zero for cyclic process?

14. A process in which the final state of the system is equal to the iniate state is called?

15. Which of the following is the choosing standard form for the thermodynamics?

16. A cylindrical contain 7.0g of nitrogen gas, how much work must be done to compress gas at constant temperature of 80°c until the volume is halved?

17. If a gas volume 30cm^3 is contained in a gid container and 60!? Of heat is provided to it. Then, calculate the change in internal energy. Assume that the gas exert 1atm of pressure on the walls?

18. Calculate the work done by the gas in an isothermal process from A to B given PA=1Pa, Va=3m^3, PB=3Pa?

19. Find the change in internal energy of a system if 415cal of heat is given to the system, and the system does 35cal of work?

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