Three perfect gases at absolute temperatures T₁, T₂ and T₃ are mixed. The masses of molecules are m₁ , m₂ and m₃ and the number of molecules are n₁, n₂ and n₃ respectively. Assuming no loss of energy, the final temperature of the mixture is

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Three perfect gases at absolute temperatures T₁, T₂ and T₃ are mixed. The masses of molecules are m₁ , m₂ and m₃ and the number of molecules are n₁, n₂ and n₃ respectively. Assuming no loss of energy, the final temperature of the mixture is :

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Correct answer: A. n₁ T₁+n₂ T₂+n₃ T₃ n₁+n₂+n₃

Data n, k, t₁+n₂ k T₂+n₃ k T₃= (n₁+n₂+n₃ ) k T T= n₁ T₁+n₂ T₂+n₃ T₃ n₁+n₂+n₃

Three perfect gases at absolute temperatures T₁, T₂ and T₃ are mixed. The masses of molecules are m₁ , m₂ and m₃ and the number of molecules are n₁, n₂ and n₃ respectively. Assuming no loss of energy, the final temperature of the mixture is :

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