Does rms velocity depend on mass?
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Does rms velocity depend on mass?
The rms velocity is directly proportional to the square root of temperature and inversely proportional to the square root of molar mass. Thus quadrupling the temperature of a given gas doubles the rms velocity of the molecules.
Why rms velocity is independent of pressure?
If pressure is increased two times, then the r.m.s. velocity becomes. Thus it is independent of pressure.
Does molar mass affect kinetic energy?
As such, it can be concluded that the average kinetic energy of the molecules in a thermalized sample of gas depends only on the temperature. However, the average speed depends on the molecular mass. So, for a given temperature, light molecules will travel faster on average than heavier molecules.
On which of the following RMS velocity depends?
Note:RMS velocity depends only on the temperature of the gas and is independent of pressure, volume, and the nature of gas for an ideal equation.
What is RMS velocity?
RMS Velocity The root-mean square (RMS) velocity is the value of the square root of the sum of the squares of the stacking velocity values divided by the number of values. The RMS velocity is that of a wave through sub-surface layers of different interval velocities along a specific ray path.
Which of the following is are the factors of root mean square velocity?
The root-mean-square speed takes into account both molecular weight and temperature, two factors that directly affect a material’s kinetic energy.
At what temperature RMS speed of air molecules is double of that at NTP?
819oC.
How does molar mass affect velocity?
Gas molecules travel at a range of speeds—some molecules move much faster than others. The average speed of a gas depends on its molar mass—the lighter the mass, the faster the average speed.
What is RMS velocity formula?
It is represented by the equation: vrms=√3RTM v r m s = 3 R T M , where vrms is the root-mean-square of the velocity, Mm is the molar mass of the gas in kilograms per mole, R is the molar gas constant, and T is the temperature in Kelvin.