0
∞
+ ve
- ve
D. - ve
Less than
Equal to
More than
Either (B) or (C); depends on the type of alloy
Molten sodium
Molten lead
Mercury
Molten potassium
States that n1dμ1 + n2dμ2 + ....njdμj = 0, for a system of definite composition at constant temperature and pressure
Applies only to binary systems
Finds no application in gas-liquid equilibria involved in distillation
None of these
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
Violates second law of thermodynamics
Involves transfer of heat from low temperature to high temperature
Both (A) and (B)
Neither (A) nor (B)
Low T, low P
High T, high P
Low T, high P
High T, low P
At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature
Normally, the gases which are easily liquefied are more soluble in common solvents
The gases which are capable of forming ions in aqueous solution are much more soluble in water than in other solvents
At constant pressure, solubility of a gas in a liquid increases with rise in temperature
Isothermal
Isobaric
Polytropic
Adiabatic
Isobaric
Isothermal
Adiabatic
None of these
High thermal conductivity
Low freezing point
Large latent heat of vaporisation
High viscosity
Chemical potential
Activity
Fugacity
Activity co-efficient
CV
Entropy change
Gibbs free energy
None of these
Bomb
Separating
Bucket
Throttling
CV
Enthalpy change
Free energy change
None of these
He
N2
O2
H2
Latent heat of vaporisation
Chemical potential
Molal boiling point
Heat capacity
Enthalpies of all elements in their standard states are assumed to be zero
Combustion reactions are never endothermic in nature
Heat of reaction at constant volume is equal to the change in internal energy
Clausius-Clapeyron equation is not applicable to melting process
Solution
Vaporisation
Formation
Sublimation
Increase the partial pressure of H2
Increase the partial pressure of I2
Increase the total pressure and hence shift the equilibrium towards the right
Not affect the equilibrium conditions
∞
+ve
0
-ve
Is the analog of linear frictionless motion in machines
Is an idealised visualisation of behaviour of a system
Yields the maximum amount of work
Yields an amount of work less than that of a reversible process
Temperature vs. enthalpy
Temperature vs. enthalpy
Entropy vs. enthalpy
Temperature vs. internal energy
Adiabatic
Isothermal
Isometric
None of these
0
1
y = 1.44
1.66
Concentration
Mass
Temperature
Entropy
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
0
> 0
< 0
None of these
d ln p/dt = Hvap/RT2
d ln p/dt = RT2/Hvap
dp/dt = RT2/Hvap
dp/dt = Hvap/RT2
A gas may have more than one inversion temperatures
The inversion temperature is different for different gases
The inversion temperature is same for all gases
The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity
None of these