Rate of change of vapour pressure with temperature
Effect of an inert gas on vapour pressure
Calculation of ΔF for spontaneous phase change
Temperature dependence of heat of phase transition
A. Rate of change of vapour pressure with temperature
μ = (∂P/∂T)H
μ = (∂T/∂P)H
μ = (∂E/∂T)H
μ = (∂E/∂P)H
Zero
Unity
Infinity
An indeterminate value
Moisture free ice
Solid helium
Solid carbon dioxide
None of these
4 J
∞
0
8 J
[∂(G/T)/∂T] = - (H/T2)
[∂(A/T)/∂T]V = - E/T2
Both (A) and (B)
Neither (A) nor (B)
Mole fraction
Activity
Pressure
Activity co-efficient
Volume
Enthalpy
Both (A) & (B)
Neither (A) nor (B)
Accomplishes only space heating in winter
Accomplishes only space cooling in summer
Accomplishes both (A) and (B)
Works on Carnot cycle
0
> 0
< 0
None of these
Always greater than one
Same at the same reduced temperature
Same at the same reduced pressure
Both (B) & (C)
Sublimation
Fusion
Transition
Vaporisation
Pressure must be kept below 5.2 atm
Temperature must be kept above - 57°C
Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C
Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively
Is zero
Increases
Decreases whereas the entropy increases
And entropy both decrease
Isothermal
Isobaric
Polytropic
Adiabatic
Molal concentration difference
Molar free energy
Partial molar free energy
Molar free energy change
√(2KT/m)
√(3KT/m)
√(6KT/m)
3KT/m
Gibbs-Duhem
Maxwell's
Clapeyron
None of these
Directly proportional to pressure
Inversely proportional to pressure
Unity at all pressures
None of these
More stable
Less stable
Not at all stable (like nascent O2)
Either more or less stable; depends on the compound
Lowest
Highest
Average
None of these
Endothermic
Exothermic
Isothermal
Adiabatic
More in vapour phase
More in liquid phase
Same in both the phases
Replaced by chemical potential which is more in vapour phase
Triple point
Boiling point
Below triple point
Always
The distribution law
Followed from Margules equation
A corollary of Henry's law
None of these
Joule-Thomson co-efficient
Specific heat at constant pressure (Cp)
co-efficient of thermal expansion
Specific heat at constant volume (CV)
Heating takes place
Cooling takes place
Pressure is constant
Temperature is constant
Critical properties
Specific gravity
Specific volume
Thermal conductivity
Low T, low P
High T, high P
Low T, high P
High T, low P
0
∞
+ve
-ve
If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase
A process is irreversible as long as Δ S for the system is greater than zero
The mechanical work done by a system is always equal to∫P.dV
The heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants