A system is said to be isopiestic, if there is no ______ change:
A. Temperature
B. Pressure
C. Volume
D. None of these
What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor:
A. 2
B. 0
C. 3
D. 1
Which of the following is not an equation of state:
A. Bertholet equation
B. Clausius-Clapeyron equation
C. Beattie-Bridgeman equation
D. None of these
The melting point of paraffin wax (which contracts on solidification) ____ with pressure rise:
A. Increases
B. Decreases
C. Remains unchanged
D. Decreases linearly
In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when:
A. Cp < Cv
B. Cp = Cv
C. Cp > Cv
D. C ≥ Cv
The internal energy of an ideal gas does not change in a reversible _____ process:
A. Isothermal
B. Adiabatic
C. Isobaric
D. Isometric
Which of the following decreases with increase in pressure:
A. Melting point of ice
B. Melting point of wax
C. Boiling point of liquids
D. None of these
Near their critical temperatures, all gases occupy volumes ______ that of the ideal gas:
A. Less than
B. Same as
C. More than
D. Half
The number of degrees of freedom for a mixture of ice and water (liquid) are:
A. 3
B. 2
C. 1
D. 0
Boiling of liquid is accompanied with increase in the:
A. Vapor pressure
B. Specific Gibbs free energy
C. Specific entropy
D. All (A), B. and (C)
