Which of the following behaves most closely like an ideal gas:
A. He
B. N2
C. O2
D. H2
For a multi-component system, the term chemical potential is equivalent to the:
A. Molal concentration difference
B. Molar free energy
C. Partial molar free energy
D. Molar free energy change
Fugacity co-efficient of a substance is the ratio of its fugacity to:
A. Mole fraction
B. Activity
C. Pressure
D. Activity co-efficient
As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine is:
A. Not changed
B. Decreasing
C. Increasing
D. Data sufficient, can’t be predicted
The standard state of a gas (at a given temperature) is the state in which fugacity is equal to:
A. Unity
B. Activity
C. Both A. & B
D. Neither A. nor B
Joule-Thomson experiment is:
A. Isobaric
B. Adiabatic
C. Isenthalpic
D. Both B. & C.
Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be:
A. 0
B. 1
C. 2
D. 3
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
Which is a state function:
A. Specific volume
B. Work
C. Pressure
D. Temperature
The quantitative effect of temperature on chemical equilibrium is given by the:
A. Van’t-Hoff equation
B. Le-Chatelier’s principle
C. Arrhenius equation
D. None of these
