Задача 20085.

The cylindrical vessel is divided into two parts by a movable piston that can move without friction. What will be the equilibrium position of the piston when the same masses of oxygen and hydrogen are placed in both parts of the vessel, if the total length of the vessel is 85 cm?

A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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