The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?

Related Mcqs:

1. 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

2. The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?

   A. 0
   B. +ve
   C. -ve
   D. ∞

3. The compressibility factor for an ideal gas is 1. Its value for any other real gas is_______________?

   A. 1
   B. 1
   D. Either B. or C, depends on the nature of the gas

4. Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?

   A. Nature of the liquid
   B. Nature of the gas
   C. Temperature of the liquid
   D. Total pressure

5. What is the ratio of adiabatic compressibility to isothermal compressibility ?

   A. 1
   B. < 1
   C. > 1
   D. >> 1

6. 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

7. Answer: Option B 392. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to _____________ °C?

   A. 270
   B. 327
   C. 300
   D. 540

8. 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

9. A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container___________________?

   A. Will be greater than 298 K
   B. Will be 298 K
   C. Will be less than 298 K
   D. Cannot be determined

10. Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules ____________________?

    A. Do not lose energy on collision
    B. Are above the inversion temperature
    C. Do not exert attractive force on each other
    D. Do work equal to loss in kinetic energy