131.

For which molecule bond energy equal to bond dissociation energy?

What will be the sign of ∆G for the melting of ice at 267K and at 276K?

How can a non-spontaneous reaction be made spontaneous?

What will be the value of free energy change when the reaction is in equilibrium?

What are the types of systems?

What are homogeneous and heterogeneous systems?

What do you understand by:
(i) Isothermal process
(ii) Adiabatic process
(iii) Isobaric process
(iv) Isochoric process
(v) Cyclic process?

Give the points of difference between reversible process and irreversible process.

Classify the following processes as reversible or irreversible:
(i) mixing of two gases by diffusion.
(ii) dissolution of sodium chloride in water
(iii) evaporation of water at 373 K at 1 atm pressure
(iv) expansion of a gas in vacuum.