In case of the decomposition of hydroiodic acid (2HI ⇌ H2 + I2), addition of H2 (at equilibrium condition) will__________________?
(A) Increase the partial pressure of I2
(B) Decrease the partial pressure of HI
(C) Diminish the degree of dissociation of HI
(D) None of these
Second law of thermodynamics is concerned with the_________________?
(A) Amount of energy transferred
(B) Direction of energy transfer
(C) Irreversible processes only
(D) Non-cyclic processes only
Which law of the thermodynamics provides basis for measuring the thermodynamic property ?
(A) First law
(B) Zeroth law
(C) Third law
(D) Second law
Cp of a gas at its critical temperature and pressure_______________?
(A) Becomes zero
(B) Becomes infinity
(C) Equals 1 kcal/kmol °K
(D) Equals 0.24 kcal/kmol °K
Pick out the Clausius-Clapeyron equation from the following?
(A) dP/dT = ΔH/TΔV
(B) ln P = – (ΔH/RT) + constant
(C) ΔF = ΔH + T [∂(ΔF)/∂T]P
(D) None of these
The variation of heat of reaction with temperature at constant pressure is given by the ____________ law?
(A) Kelvin’s
(B) Antoine’s
(C) Kirchoff’s
(D) None of these
Generation of heat by friction is an example of a/an ________________ change?
(A) Isothermal
(B) Irreversible
(C) Adiabatic
(D) Reversible
The unit of fugacity is the same as that of the_________________?
(A) Pressure
(B) Temperature
(C) Volume
(D) Molar concentration
Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the ____________ equation?
(A) Gibbs-Duhem
(B) Maxwell’s
(C) Clapeyron
(D) None of these
The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by_________________?
(A) (∂E/∂ni)S, v, nj
(B) (∂G/∂ni)T, P, nj = (∂A/∂ni) T, v, nj
(C) (∂H/∂ni)S, P, nj
(D) All (A),