Task 20129.

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Under the piston in the cylinder, the base area of \u200b\u200b100 cm ^ 2 which is a gas at 0 ° C ~ 740 mm pressure. Hg. Art. Put weight on the piston, weighing 20 kg. How many degrees it is necessary to heat the gas to the piston is returned to its original position? Thermal expansion of the cylinder to neglect.

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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