What is RMS Velocity?
Key concepts of molecular motion:
- Statistical average
- Temperature dependence
- Mass dependence
- Energy relationships
Calculate Molecular Speeds and Kinetic Energy
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Calculate root mean square velocity of gas molecules.
Calculate average kinetic energy of gas molecules.
Calculate most probable and average velocities.
Key concepts of molecular motion:
Understanding velocity distribution:
Energy relationships:
RMS velocity is important for:
v_rms = √(3RT/M)
Where R is gas constant
KE = (3/2)kT
Per molecule
v_mp = √(2RT/M)
Peak of distribution