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Consider a 1.0-L sample of helium gas and a 1.0-L sample of argon gas, both at room temperature and atmospheric pressure. Do the atoms in the helium sample have the same average kinetic energy as the atoms in the argon sample

Sagot :

Yes, the atoms in the helium sample have the same average kinetic energy as the atoms in the argon sample.

What is Average Kinetic Energy ?

The average kinetic energy of a gas molecule is defined as the product of half of the mass of each gas molecule and the square of the RMS speed.

The average kinetic energy equation is independent of Molar mass.

It's only a function of temperature.

So if they're at the same temperature they will have the same average kinetic energy.

Therefore, the atoms in the helium sample have the same average kinetic energy as the atoms in the argon sample

Learn more about kinetic Energy here ;

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