For an incompressible fluid, the _______________ is a function of both pressure as well as temperature?
(A) Internal energy
(B) Enthalpy
(C) Entropy
(D) All (A),
Compressibility factor of a gas is___________________?
(A) Not a function of its pressure
(B) Not a function of its nature
(C) Not a function of its temperature
(D) Unity, if it follows PV = nRT
The adiabatic throttling process of a perfect gas is one of constant enthalpy_________________?
(A) In which there is a temperature drop
(B) Which is exemplified by a non-steady flow expansion
(C) Which can be performed in a pipe with a constriction
(D) In which there is an increase in temperature
“When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change.” This is called the_______________?
(A) Le-Chatelier principle
(B) Kopp’s rule
(C) Law of corresponding state
(D) Arrhenius hypothesis
____________ explains the equilibrium constant for any chemical reaction?
(A) Henry’s law
(B) Law of mass action
(C) Hess’s law
(D) None of these
Third law of thermodynamics is helpful in___________________?
(A) Prediction of the extent of a chemical reaction
(B) Calculating absolute entropies of substances at different temperature
(C) Evaluating entropy changes of chemical reaction
(D) Both
The internal energy of an ideal gas is a function of its _____________ only?
(A) Molecular size
(B) Volume
(C) Pressure
(D) Temperature
“The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is__________________?
(A) The statement as per Gibbs-Helmholtz
(B) Called Lewis-Randall rule
(C) Henry’s law
(D) None of these
If two gases have same reduced temperature and reduced pressure, then they will have the same____________________?
(A) Volume
(B) Mass
(C) Critical temperature
(D) None of these
Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by_________________?
(A) Low temperature and high pressure
(B) Low temperature and low pressure
(C) High temperature and high pressure
(D) High temperature and low pressure