Chemical potential
Activity
Fugacity
Activity co-efficient
A. Chemical potential
State function
Macroscopic property
Extensive property
None of these
Heat pump
Heat engine
Carnot engine
None of these
Snow melts into water
A gas expands spontaneously from high pressure to low pressure
Water is converted into ice
Both (B) & (C)
0
> 0
< 0
None of these
Initial concentration of the reactant
Pressure
Temperature
None of these
Positive
Negative
Zero
May be positive or negative
In which there is a temperature drop
Which is exemplified by a non-steady flow expansion
Which can be performed in a pipe with a constriction
In which there is an increase in temperature
Air cycle
Carnot cycle
Ordinary vapor compression cycle
Vapor compression with a reversible expansion engine
Decreases in all spontaneous (or irreversible) processes
Change during a spontaneous process has a negative value
Remains unchanged in reversible processes carried at constant temperature and pressure
All (A), (B) and (C)
Molar concentration
Quantity (i.e. number of moles)
Both (A) and (B)
Neither (A) nor (B)
Solution
Vaporisation
Formation
Sublimation
Enthalpy
Entropy
Pressure
None of these
0
273
25
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
Increase the partial pressure of I2
Decrease the partial pressure of HI
Diminish the degree of dissociation of HI
None of these
Enthalpy does not remain constant
Entire apparatus is exposed to surroundings
Temperature remains constant
None of these
Joule-Thomson co-efficient
Specific heat at constant pressure (Cp)
co-efficient of thermal expansion
Specific heat at constant volume (CV)
Less
More
Same
Dependent on climatic conditions
P1ACBP2P1
ACBB1A1A
ACBDA
ADBB1A1A
Ideal
Real
Isotonic
None of these
Zero
Unity
Infinity
None of these
Ice at the base contains impurities which lowers its melting point
Due to the high pressure at the base, its melting point reduces
The iceberg remains in a warmer condition at the base
All (A), (B) and (C)
No
Any real
Only ideal
Both (B) and (C)
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
Straight line
Sine curve
Parabola
Hyperbola
Surface tension of a substance vanishes at critical point, as there is no distinction between liquid and vapour phases at its critical point
Entropy of a system decreases with the evolution of heat
Change of internal energy is negative for exothermic reactions
The eccentric factor for all materials is always more than one
Shift the equilibrium towards right
Give higher yield of NH3
Both (B) and (C)
Neither (A) nor (B)
V1/V2
V2/V1
V1 - V2
V1.V2
Minimum temperature attainable
Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in
Temperature of the heat reservoir to which a Carnot engine rejects no heat
None of these
TVγ-1 = constant
p1-γ.TY = constant
PVγ = constant
None of these