Questions
A cylinder contains a mixture of helium and argon gas in equilibrium at . What is the average kinetic energy for each type of gas molecule?
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a
3.26 × 10-21 J
b
8.76 × 10-21 J
c
6.28 × 10-21 J
d
4.14 × 10-21 J
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Correct option is B
Both kinds of molecules have the same average kinetic energy as the temperature is same for both the gas molecules.The average kinetic energy of a molecule, K =32kBTK = 32(1.38×10-23J/K)(423 K) = 8.76 × 10-21 JSimilar Questions
The average kinetic energy of a gas molecule at absolute temperature T is
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