A. Increase
B. Decrease
C. Remain unchanged
D. First fall and then rise
Thermodynamics for Chemical
Thermodynamics for Chemical
A. Critical
B. Triple
C. Freezing
D. Boiling
A. Enthalpy
B. Volume
C. Both A. & B.
D. Neither A nor B
A. State function
B. Macroscopic property
C. Extensive property
D. None of these
A. Enthalpy
B. Pressure
C. Entropy
D. None of these
A. 0
B. 1
C. 1
A. Minimum number of degree of freedom of a system is zero
B. Degree of freedom of a system containing a gaseous mixture of helium, carbon dioxide and
hydrogen is 4
C. For a two phase system in equilibrium made up of four non-reacting chemical species, the
number of degrees of freedom is 4
D. Enthalpy and internal energy change is zero during phase change processes like melting,
vaporisation and sublimation
A. Accomplishes only space heating in winter
B. Accomplishes only space cooling in summer
C. Accomplishes both A. and B
D. Works on Carnot cycle
A. Single phase fluid of varying composition
B. Single phase fluid of constant composition
C. Open as well as closed systems
D. Both B. and C
A. Enthalpy
B. Entropy
C. Pressure
D. None of these