Задача 20847.

The ideal gas was expanded from the volume V1 = 2 l to the volume V2 = 4 l, so that its temperature varied depending on the volume according to the law T = aV ^ 2, where a is a positive constant. How many times has the gas pressure changed?

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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