Explain Mechanical Equilibrium, Thermal Equilibrium and Chemical Equilibrium.
[3 marks]Explain Isolated system, Closed system and Open system.
[4 marks]Compare Reversible change and Irreversible change.
[7 marks]State significance of 1st law of thermodynamics.
[3 marks]Explain-Energy is state property.
[4 marks]Justify- Cp-Cv = R.
[7 marks]Explain 1st law of thermodynamics and state in it in terms of Enthalpy.
[7 marks]Explain heat capacity.
[3 marks]Calculate the Standard enthalpy change for the reaction: Cu S(s) + 2 Cu O(s)22 = 6Cu (l) + SO (g) at 1520K. Given the values of standard enthalpy changes2 of formation (∆H°) at 1520K in terms of kJ/mol as follows: Cu S(s) = -86.5, f Cu O(s) = -176, Cu (l) = 0, SO (g) = -278.22
[2 marks]Explain Kirchhoff’s law.
[7 marks]Explain entropy is state and extensive property.
[3 marks]Calculate the standard entropy change for following reaction at 298 K.Cr O (s) + 3C(s) + 2Cr(s) + 3CO (g). Given S° 81.18 J/K/mol, 2 3 298,Cr2O3(s) = S° 5.7 J/K/mol, S° 23.75 J/K/mol, S° 198 J/K/mol 298,C(s) = 298,Cr (s) = 298,CO (g) =
[4 marks]Explain Hess’ Law.
[7 marks]Explain Gibb’s free energy is state variable.
[3 marks]Calculate change of free energy of following reduction at 515K. CuO (s) + H (g) = Cu (s) + H O (g). Given ∆H° = 88 kJ/mol, ∆ S° = 48 J/K/mol.
[4 marks]Discuss important features of Ellingham diagram.
[7 marks]2ppm means how much percentage.
[3 marks]Derive combined expression of the 1st law and 2nd law of thermodynamics.
[4 marks]Derive Gibb’s Phase rule and explain it.
[7 marks]Explain zeroth law of thermodynamics.
[3 marks]Convert atomic % to Weight % for Neodymium based permanent magnet has composition 16% Nd, 76% Fe and 8% B. Given Atomic weight of Nd =144, Fe = 56 and B = 11.
[4 marks]Explain Roult’s law and Henry’s law
[7 marks]Explain Sievert’s law.
[3 marks]Explain phase equilibrium of one component (water) system.
[4 marks]Derive Gibbs-Duhem equation.1
[7 marks]