Define and explain the term entropy of a system. Illustrate it using a spontaneous irreversible change.

Define and explain the term coordination sphere.

Define the term absolute entropy.

Fill in the blanks by putting appropriate choices. During adsorption there is _______ in enthalpy and _______ in the entropy of a system by adsorption is a spontaneous process and thus DeltaG must be ________. Rate of physisorption ________ with increase in pressure.

An exothermic reaction involves a decrease in the entropy of the system. Will the process be spontaneous ?

Define the term 'entropy'. How does TDeltaS determine the spontaneity of a process?

Define the term used in metallurgy. Roasting

Which of the following statement (s) is correct? Statement-I: The entropy of isolated system with P-V work only, is always maximized at equillibrium. Statement-2: It is possible for the entropy of closed system to decrease substantialy in an irreversible process. Statemet-3: Entropy can be crearted but not destroyed. Statement-4 DeltaS_(system) is zero for reversible process in an isolated system.

Define the terms : Circulatory system : ........

Define the term used in metallurgy. Gangue

The total entropy change for a system and its surroundings increases, if the process is