What will be the pressure of the gas mixture when 0.5 l of at 0.8 bar and 2.0 l of oxygen at 0.7 bar are introduced in a 1 l vessel at 27°C?

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Question

What will be the pressure of the gas mixture when 0.5 l of $	ext{H}_2$ at 0.8 bar and 2.0 l of oxygen at 0.7 bar are introduced in a 1 l vessel at 27°C?

Prashant Kotian · Accepted Answer

Correct answer: B. Partial pressures: H2 = 0.8*0.5/1 = 0.4 bar. O2 = 0.7*2.0/1 = 1.4 bar. Total = 1.8 bar. Therefore, correct answer is B.

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