Identify difference between intensive and extensive properties with suitable examples.
[3 marks]For isothermal reversible expansion of an ideal gas, derive the expression for mechanical work done.
[4 marks]With reference to metallurgical thermodynamics define and explain term "System". Utilizing various criteria, classify different types system with suitable example.
[7 marks]State the Zeroth Law of Thermodynamics and explain its importance.
[3 marks]Differentiate between internal energy and enthalpy.
[4 marks]Derive the relation between Cp and Cv for an ideal gas.
[7 marks](i) Calculate standard enthalpy change for formation of ethane (C H ) at 298 Kfrom26 following data. C +O =CO ΔH0 , = - 393 kJ/mol (S) 2(g) 2(g) f298K H + 1/2 O = H O ΔH0 = - 286 kJ/mol 2(g) 2(g) 2 (l) f,298K C H + 7/2 H O(l) = 2CO + 3H O ΔH0 = -1561 kJ/mol 2 6(g) 2 2(g) 2 (l) f,298K (ii) Calculate ΔS for melting of ice at 0°Can constant atomospheric pressure, given dq = ΔH = 6.02 kJ/mol. rev fusion
[7 marks]Define heat capacity (C) and give its unit. Also derive mathematical equations Cp and Cv.
[3 marks]Explain the Law of Thermodynamics that explain heat transfer under temperature gradient. With suitable example give its importance.
[4 marks]Explain the First Law of Thermodynamics with its application in metallurgical processes. Illustrate with a suitable example.
[7 marks]Define chemical potential and discuss its role in phase equilibrium.
[3 marks]Explain Gibbs-Helmholtz equation with its applications Page 1 of
[2 marks]Derive Maxwell’s relations and explain their importance in metallurgy.
[7 marks]State the Third Law of Thermodynamics.
[3 marks]Differentiate between ideal and non-ideal solutions.
[4 marks]Explain Raoult’s law, Henry’s law and Sievert's Law.
[7 marks]Draw neat sketch for phase equilibrium of one-component system.
[3 marks]Explain the statistical interpretation of entropy using Boltzmann’s relation.
[4 marks]Derive Gibbs-Duhem equation and explain its application in metallurgy
[7 marks]State and explain fugacity and activity.
[3 marks]Draw neat sketch and label binary phase diagram of Cu-Ni system.
[4 marks]Explain Ellingham diagram using suitable example and discuss its importance in metallurgy.
[7 marks]Define the term free energy. Also give equation for Helmhotz's free energy and Gibb's free energy.
[3 marks]Derive combined expression of first and second law of thermodynamics in terms of internal energy, enthalply, Helmhotz's free energy and Gibb's free energy.
[4 marks]State and explain Gibbs Phase Rule. Also, derive expression for degrees of freedom in Gibbs Phase Rule. Page 2 of
[2 marks]