What is residual entropy? What kind of systems show residual entropy? 

Optical properties of calcite

Explain the process of oxidation and supergene enrichment of ore formation.

Explain the effect of temperature on the enthalpy of a reaction and derive the Kirchhoff’s equation.

Give the mathematical expressions for the thermodynamic and statistical definitions of entropy. 

Discuss the classification of rock forming minerals giving suitable examples.

Explain the elements of symmetry giving suitable examples.

Discuss the crystallographic axes, symmetry elements and forms of normal class of orthorhombic crystal system with the help of neat well labeled diagrams.

Using the bond enthalpy datafrom Table 3.2 of (Unit 3; p, 76), calculate the enthalpy of hydrogenation of 1–propene.

Describe the physical properties of minerals belonging to pyroxene group giving suitable examples.

State Hess’ law of constant heat summation and give its significance 

Types of extinction

Laws of crystallography

Describe the method for experimental determination of energy changes accompanying chemical reactions under constant volume conditions.

Derive the relationship between  and .

1 mole of an ideal gas is allowed to undergo isothermal reversible expansion at 25°C from a volume of 10 dm³ to 20 dm³ . Calculate the maximum amount of work done by the gas on the surroundings. 

0.5 mole of an ideal gas is taken in a container at 298 K. Calculate the values of its heat capacities at constant pressure and at constant volume conditions.

Derive the relationship between the temperature and pressure for a reversible adiabatic process.

Write sort note on hizogenesis and caulogenesis.

223 J of heat was supplied to a thermodynamic system and its internal energy was found to decrease by 92 J. Calculate the amount of associated work and state whether the work was done by the system or done on the system?