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Estudos Gerais • 05/14/2024

Calcule a massa do gás hélio (massa molecular 4,0), contida ...

Calcule a massa do gás hélio (massa molecular 4,0), contida num balão, sabendo-se que o gás ocupa um volume igual a 5,0 m3 e está a uma temperatura de -23 ºC e a uma pressão de 20,5 atm.

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