ideasrule said:nm is the #of moles times the molar mass (mass per mole). What's # of moles times the mass per mole?
The rms speed of molecules is a measure of the average speed of all of the molecules in a gas. It helps us understand the kinetic energy and temperature of a gas, as well as how it behaves under certain conditions.
The rms speed of molecules is directly proportional to the temperature of a gas. As the temperature increases, the molecules move faster and the rms speed increases. This is because temperature is a measure of the average kinetic energy of molecules.
The rms speed of molecules is affected by the temperature, mass, and size of the molecules. Heavier molecules move slower than lighter molecules at the same temperature, and larger molecules also tend to move slower than smaller ones.
Yes, the rms speed of molecules can be calculated using the root-mean-square formula: vrms = √(3RT/M), where R is the gas constant, T is the temperature in Kelvin, and M is the molar mass of the gas in kilograms per mole.
The rms speed of molecules takes into account the speed of all molecules in a gas, while the average speed only considers the average of all the speeds. The rms speed is always slightly higher than the average speed, as it includes the faster-moving molecules in the calculation.