For an ideal gas Charles law deals with the relationship between
A.pressure and volume at constant temperature
B.pressure and temperature at constant volume
C.volume and temperature at constant pressure
D.mass and volume at constant temperature
Category: Chemical Thermodynamics Mcqs
Which one of the following gases is nearest to an ideal gas
A.Helium
B.Hydrogen
C.Oxygen
D.Nitrogen
Which of the following statements is correct
A.Cp can never be less than Cv
B.Cp is always equal to Cv
C.Cp may be less than Cv depending on the gas
D.Cp may be equal to or less than Cv
An isentropic flow is one which is
A.adiabatic and reversible
B.adiabatic and irreversible
C.isothermal and reversible
D.isothermal and irreversible
At low pressure the molal heat capacity at constant-pressure (Cp) of an ideal monoatmic gas is equal to
A.2.24 kcal kcal/(kmol.K)
B.5J/(kmol.K)
C.5 kcal/(kmol.K)
D.3 kcal/(kmol.K)
The compressibility factor of any gas
A.is always less than 1
B.is always equal to 1
C.is always greater than 1
D.may be less than equal to or greater than 1 depending on the nature of the gas
For an ideal gas Cv = 0.157 kcal/(kg.K) and R = 260 m-N/(kg.K) the specific heats ratio (?) is
A.1.333
B.1.396
C.2.532
D.1.653
The amount of heat evolved or absorbed when one mole of any compound is formed from its elements is called
A.heat of transition
B.heat of combustion
C.heat of formation
D.heat of hydration
The relation PVY = constant holds only for those processes which are
A.isentropic
B.irreversible adiabatic
C.reversible polytropic
D.all of these asnwers
