Related Questions

Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these
The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of
A T
B T and P
C T, P and Z
D T and Z
When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is
A More in vapour phase
B More in liquid phase
C Same in both the phases
D Replaced by chemical potential which is more in vapour phase
Specific/molar Gibbs free energy for a pure substance does not change during
A Sublimation
B Vaporisation
C Melting
D Either A, B or C
The chemical potential for a pure substance is __________ its partial molal free energy.
A More than
B Less than
C Equal to
D Not related to
In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is
A More
B Less
C Same
D More or less; depends on the nature of solution
Unit molar solution of __________ is the best conductor of electricity.
A Sodium chloride
B Acetic acid
C Sulphuric acid
D Sucrose

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