What is the correct answer?


The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns constant, T = absolute temperature)

A. √(2KT/m)

B. √(3KT/m)

C. √(6KT/m)

D. 3KT/m

Correct Answer :

B. √(3KT/m)

Related Questions

For a single component two phase mixture, the number of independent variable… All gases except __________ shows a cooling effect during throttling process… Pick out the undesirable property for a good refrigerant. The work done in an adiabatic change in a particular gas depends upon… What is the value of Joule-Thomson co-efficient for an ideal gas? Which one is true for a throttling process? Heat evolved/absorbed during conversion of a substance from one allotropic… Which of the following is not correct for a reversible adiabatic process? Extensive properties of a thermodynamic system depend upon the __________… If atmospheric temperature and dew point are nearly equal, then the relative… In case of the decomposition of hydroiodic acid (2HI H2 + I2), addition… The enthalpy change when ammonia gas is dissolved in water is called the… As the time is passing, entropy of the universe PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________… A change in state involving a decrease in entropy can be spontaneous,… In a working refrigerator, the value of COP is always The melting point of paraffin wax (which contracts on solidification)… Ideal gas law is applicable at Which of the following behaves most closely like an ideal gas? Requisites of a reversible process is that the Specific volume of an ideal gas is Air-refrigeration cycle A solid is transformed into vapour without going to the liquid phase at If the pressure on 100 c.c. of air is halved, then its volume (at the… In Joule-Thomson porous plug experiment, the Which of the following decreases with increase in pressure? Equation which relates pressure, volume and temperature of a gas is called… The necessary and sufficient condition for equilibrium between two phases… Gibbs free energy per mole for a pure substance is equal to the Which is an example of closed system?