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
Thermodynamics for Chemical
The melting point of paraffin wax (which contracts on solidification) _______________ with pressure rise?
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___________________?
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?
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 ?
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?
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 ____________________?
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__________________?
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)
Refrigeration capacity of a household refrigerator may be round about _____________ tons?
Refrigeration capacity of a household refrigerator may be round about _____________ tons?
A. 0.15
B. 1.5
C. 4.5
D. 6.5
Which is not constant for an ideal gas ?
Which is not constant for an ideal gas ?
A. (∂P/∂V)T
B. (∂V/∂T)P
C. (∂P/∂V)V
D. All (A), B. & (C)