Unity
Activity
Both (A) & (B)
Neither (A) nor (B)
C. Both (A) & (B)
Isobaric
Adiabatic
Isenthalpic
Both (B) & (C)
(∂E/∂ni)S, v, nj
(∂G/∂ni)T, P, nj = (∂A/∂ni) T, v, nj
(∂H/∂ni)S, P, nj
All (A), (B) and (C)
Increases
Decreases
Remains unchanged
First decreases and then increases
(∂T/∂V)S = - (∂P/∂S)V
(∂S/∂P)T = - (∂V/∂T)P
(∂V/∂S)P = (∂T/∂P)S
(∂S/∂V)T = (∂P/∂T)V
High thermal conductivity
Low freezing point
Large latent heat of vaporisation
High viscosity
The conversion for a gas phase reaction increases with decrease in pressure, if there is an increase in volume accompanying the reaction
With increase in temperature, the equilibrium constant increases for an exothermic reaction
The equilibrium constant of a reaction depends upon temperature only
The conversion for a gas phase reaction increases with increase in pressure, if there is a decrease in volume accompanying the reaction
Escaping tendencies of the same substance in different phases of a system
Relative volatility of a mixture of two miscible liquids
Behaviour of ideal gases
None of these
ds = 0
ds <0
ds > 0
ds = Constant
Temperature
Pressure
Composition
All (A), (B) and (C)
0
∞
+ve
-ve
F = A + PV
F = E + A
F = A - TS
F = A + TS
Chemical potential
Surface tension
Heat capacity
None of these
Isothermally
Isobarically
Adiabatically
None of these
Disorder
Orderly behaviour
Temperature changes only
None of these
Activity
Fugacity
Activity co-efficient
Fugacity co-efficient
The expansion of a gas in vacuum is an irreversible process
An isometric process is a constant pressure process
Entropy change for a reversible adiabatic process is zero
Free energy change for a spontaneous process is negative
< 0
> 0
= 0
None of these
A homogeneous solution (say of phenol water) is formed
Mutual solubility of the two liquids shows a decreasing trend
Two liquids are completely separated into two layers
None of these
Eutectic
Triple
Plait
Critical
In standard state
At high pressure
At low temperature
In ideal state
Increase
Decrease
Remain unchanged
First fall and then rise
The values of (∂P/∂V)T and (∂2P/∂V2)T are zero for a real gas at its critical point
Heat transferred is equal to the change in the enthalpy of the system, for a constant pressure, non-flow, mechanically reversible process
Thermal efficiency of a Carnot engine depends upon the properties of the working fluid besides the source & sink temperatures
During a reversible adiabatic process, the entropy of a substance remains constant
μ° + RT ln f
μ°+ R ln f
μ° + T ln f
μ° + R/T ln f
Molecular size
Temperature
Volume
Pressure
RT d ln P
R d ln P
R d ln f
None of these
Ideal compression of air
Free expansion of an ideal gas
Adiabatic expansion of steam in a turbine
Adiabatic compression of a perfect gas
By throttling
By expansion in an engine
At constant pressure
None of these
Internal energy
Enthalpy
Gibbs free energy
Helmholtz free energy
Enthalpy
Internal energy
Either (A) or (B)
Neither (A) nor (B)
Departure from ideal solution behaviour
Departure of gas phase from ideal gas law
Vapour pressure of liquid
None of these