Related Questions

Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
A 5 : 8
B 10 : 9
C 8 : 5
D 9 : 10
The change in Gibbs freee energy for vaporisation of a pure substance is
A Positive
B Negative
C Zero
D May be positive or negative
Gibbs free energy per mole for a pure substance is equal to the
A Latent heat of vaporisation
B Chemical potential
C Molal boiling point
D Heat capacity
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
Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.
A Infinity
B Minus infinity
C Zero
D None of these
The standard Gibbs free energy change of a reaction depends on the equilibrium
A Pressure
B Temperature
C Composition
D All of the above
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
Gibbs free energy (F) is defined as
A F = E - TS
B F = H - TS
C F = H + TS
D F = E + TS
Gibbs free energy at constant pressure and temperature under equilibrium conditions is
A ∞
B 0
C Maximum
D Minimum
Gibbs free energy of mixing at constant pressure and temperature is always
A 0
B $$\infty $$
C +ve
D -ve

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