GOVERNMENT POLYTECHNIC,GANDHINAGAR
CHEMICAL ENGINEERING DEPARTMENT
ASSIGNMENT-CET
Unit-I
1. Describe the scope of thermodynamics.
2. Using thermodynamic principle can you determine the rate of chemical
reaction? Why?
3. Explain System and Surroundings and explain types of system in brief.
4. Write down the difference between homogeneous and heterogeneous systems.
5. Compare closed system with open system.
6. Differentiate state and path function with example.
7. describe the following:
1. Force 2. Pressure 3.Work 4.Energy 5.phase rule 6.steady state and
equilibrium state.
8. State zeroth law of thermodynamics.
9. Give difference between reversible and irreversible process.
10. Explain zeroth law of thermodynamics and explain ideal gas temperature
scale
11. Define extensive and intensive propertie with example.
12. Describe the limitations of thermodynamics.
13. What is the degree of freedom when a binary liquid mixture is in equilibrium
with its vapour.
14. Calculate the degree of freedom for binary distillation
15. Calculate the degree of freedom for a system of liquid water, liquid toluene
(immiscible) in equilibrium with its vapour.
16. The potential energy of a body of 20 kg is 1.5KJ, calculate its height.
17. If a body of 10 kg is moving at 50 m/s, calculate its kinetic energy.
Unit-II
18. Explain 1st Law of Thermodynamics. for non flow process.
19. Derive an equation of first law of thermodynamics for flow process.
20. Describe : (1) Heat Capacity,
(2) internal energy
21. Explain enthalpy and give its importance in Thermodynamics.
22. State the first law of thermodynamics
23. Show that the internal energy is a state function.
Unit-III
24. Describe PVT behavior of pure fluid with pressure-volume diagram
25. Describe PVT behavior of pure fluid with temperature-volume diagram
26. Draw PV diagram for pure fluid.
27. Draw PT diagram for pure fluid.
28. Explain concept of ideal gas.
29. Write down the thermodynamic characteristics of an ideal gas.
30. Define: (1) equation of state.(2) saturation pressure(3) saturation temperature
(4) critical point(5)triple point (6) compressibility factor
31. Discuss ”Equation of state for real gases”.
32. Calculate degree of freedom at triple point of water.
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Discuss constant pressure process for ideal gas
Discuss constant volume process for ideal gas
Write down Vander vaal’s equation of state.
Write down virial equation of state.
Prove Cp – Cv = R for ideal gases.
Obtain PVγ = Constant for adiabatic process.
For isothermal process derive equation of work done W= nRT1(lnP1/P2)
Show that for ideal gas dU = Cv dT is applicable for all processes
Show that for ideal gas dH = CP dT is applicable for all processes
What is the value of dU and dH for isothermal process of ideal gas.
Derive the equation of work done for adiabatic process.
Explain polyropic process.
Describe compressibility chart.
Unit IV
Explain standard heat of reaction
Explain standard heat of combustion
Explain standard heat of formation.
Explain Hess’s law of constant heat summation.
Describe the effect of temperature on reaction.
Define temperature of reaction and adiabatic flame temperature.
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Unit V
Explain “Entropy and its importance and applications in Thermodynamics
Explain kelvin plank statement for second law of thermodynamics.
Explain clausis statement for second law of thermodynamics.
Write two limitations of first law of thermodynamics
Write a short note on “Carnot Cycle”.
Write various statements of second law of thermodynamics
Explain in brief : heat reservoir, heat pump, heat engine
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59. Explain clausius inequality.
60. For ideal gas derive equation for entropy change(1) for constant volume
process(2)for constant pressure process (3)for constant temperature process
61. Explain mathematical statement of second law of thermodynamics.
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