In one or two sentences

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

In one or two sentences, explain why the pressures in two identical rigid containers of the same ideal gas become equal after a valve connecting them is opened and the system reaches equilibrium.

Related theory

Ideal Gas Law
Equation of State
Thermal Equilibrium
Ideal gas equation
Thermodynamics

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