The spontaneity of a process is expressed in terms of a change in Gibbs energy.
How is it related to the enthalpy and entropy of a system?

The spontaneity of a process is expressed in terms of a change in Gibbs energy. a) What is meant by a change in Gibbs energy of a system? b) How is it related to the enthalpy and entropy of a system? c) How is it useful in predicting the feasibility of a process?

The spontaneity of a process is expressed in terms of a change in Gibbs energy. How is it useful in predicting the feasibility of a process?

What is meant by a change in Gibbs energy of a system?

Bond order is a term commonly used in MO theory. How is it related to bond length and bond energy?

Give the criteria for spontaneity of a process in terms of free energy change( DeltaG )

a) Explain the effect of temperature on the spontaneity of a process based on Gibbs equation. b) For a reaction 2A(g)+B(g)rightarrow2D(g) , enthalpy and entropy changes are - 20.5 kJ mol^-1 and -50.4 J K^-1mol^-1 respectively. Predict whether the reaction occurs at 25^oC.

Most of the naturally occurring processes are spontaneous. a) Give the criteria for spontaneity of a process in terms of free energy change ( DeltaG ) b) Exothermic reactions associated with a decrease in entropy are sponaneous at lower temperatures. Justify on the basis of Gibbs equation. c) Find the temperature above which the reactin MgO_((s))+C_((s))rightarrow Mg_((s))+CO_((g)) becomes spontaneous. (Given ( Delta_rH^theta=490kJmol^-1 & Delta_rS^theta=198JK mol^-1 )

Potential of a conduction changes on charging:- How is charge related to the potential?

In a reversible process the total change in entropy is DeltaS (universe) is