Thermodynamics, example - Physics
Physics video, worked example, thermodynamics problem.
Joule’s experiment is shown below, where a Helium gas is placed in container A which is shut off from container B with a stopcock. Container B is evacuated and both containers are placed inside a calorimeter.
a) When the stopcock is opened, the gas flows to container B and the thermometer shows a negligible change in temperature. Explain why using the first law of thermodynamics
b) If Neon gas is placed with the Helium gas inside container AB (stopcock removed), what is the ratio of the kinetic energy of both gases in the mixture, assuming they are in thermal equilibrium (the molar mass of Neon is higher than Helium)?
c) Sketch the Maxwell-Boltzmann distribution for both gases (number of gas particles Vs the velocity) and identify the root mean square velocity for both gases
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