The average translational kinetic energy with which a gas molecule is endowed is dependent on its__________________?

Related Mcqs:

1. The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?

   A. 2M
   B. M/2
   C. M
   D. M/4

2. The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation_________________?

   A. Increases with pressure rise
   B. Decreases with increasing pressure
   C. Becomes zero at the critical point
   D. Both B. & C.

3. Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?

   A. Chlorine
   B. Nitrogen
   C. Ethane
   D. All the gases will have the same KE

4. According to the kinetic theory, the thermal conductivity of a monatomic gas is proportional to___________________?

   A. T
   B. T0.5
   C. T1.5
   D. T2

5. 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

6. Kinetic theory of gases stipulates that, the____________________?

   A. Energy is lost during molecular collisions
   B. Molecules possess appreciable volume
   C. Absolute temperature is a measure of the kinetic energy of molecules
   D. None of these

7. A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is__________________?

   A. 13728 J
   B. 19206 J
   C. 4576 J
   D. 12712 J

8. Internal energy of a substance comprises of the _____________ energy?

   A. Vibrational
   B. Rotational
   C. Translational
   D. All A., B. & C.

9. Total energy at a point comprises of _____________ energy?

   A. Potential & kinetic
   B. Pressure
   C. Internal
   D. All A., B. & C.

10. Internal energy is independent of the ____________ for an ideal gas?

    A. Pressure
    B. Volume
    C. Both A. & B.
    D. Neither A. nor B.