A. Equation of state
B. Gibbs Duhem equation
C. Ideal gas equation
D. None of these
Related Mcqs:
- The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?
A. V1/V2
B. V2/V1
C. V1 – V2
D. V1.V2 - A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be________________?
A. 0°C
B. 0°K
C. -136.5°C
D. -136.5°K - Gibbs-Duhem equation relates composition in liquid phase and the _____________ at constant temperature & pressure?
A. Fugacity
B. Partial pressure
C. Activity co-efficient
D. All (A), (B), and (C) - The equation, (d loge PA/d loge xA) = (d loge PA/d loge xB) applicable to a binary solution of components. A and B in equilibrium with their vapors at constant temperature and pressure is called the _____________ equation?
A. Van Laar
B. Margules
C. Gibbs-Duhem
D. Gibbs-Duhem-Margules - The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the ____________ temperature?
A. Critical
B. Boyle
C. Inversion
D. Reduced - 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?
A. 35 K
B. 174 K
C. 274 K
D. 154 K - At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?
A. Decrease in mean free path
B. Increased collision rate among molecules
C. Increase in molecular attraction
D. Increase in average molecular speed - If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will_________________?
A. Be reduced to 1/4th
B. Increase four times
C. Increase two times
D. None of these - Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are_______________?
A. Always greater than one
B. Same at the same reduced temperature
C. Same at the same reduced pressure
D. Both B. & C - The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?
A. Doubled
B. Halved
C. Trebled
D. Unpredictable
