An ideal gas starts out in the state A as shown
in the figure below. State A has a volume of V0
and a pressure of P0. The RMS speed of the molecules in
the state A is vrms = v0. The gas now
undergoes a quasi-static process to the state B, which is
first an isobaric and then an isometric process. The
volume of state B is V = n1V0, and the
pressure of state B is P = n2P0.
If the RMS speed of the molecules in state B is
vrms = n3 v0,
what is n3? Note that n1, n2
and n3 are unitless.
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