Лаг1989 задача №10.17

One kilomolene of triatomic gas expands adiabatically into a vacuum from a volume V₁ = 1.2 m³ to a volume V = 2.4 m³. In this case, the gas temperature decreases by ∆T = 6.1 K. Based on these data, find the van der Waals constant a. Gas molecules are considered rigid.

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