A sample of helium and neon gases has a temperature of 300 K and pressure of 1.0 atm

CHEMISTRY · Multi-part · IB Diploma Programme · Chemistry · Ideal gases · Introduction to the particulate nature of matter

Problem

A sample of helium and neon gases has a temperature of 300 K and pressure of 1.0 atm. The molar mass of helium is 4.0 g/mol and that of neon is 20.2 g/mol. (a) Find the rms speed of the helium atoms and of the neon atoms. (b) What is the average kinetic energy per atom of each gas?

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