What is the rms speed of argon

Reference no: EM13317151

A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 151? C. Boltzmann's constant is 1.38066 × 10?23 J/K, and Avogadro's number is 6.02 × 1023 mol?1 . What is the average kinetic energy of each type of molecule? Answer in units of J What is the rms speed of helium? Answer in units of km/s What is the rms speed of argon? Answer in units of km/s I got 8.78x10^-21 J for the first part, but it keeps saying that is is wrong! I don't know what else to do.

Reference no: EM13317151

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