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? [17]

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Question

What will be the pressure of the gas mixture when 0.5 l of $H_2$ at 0.8 bar and 2.0 l of oxygen at 0.7 bar are introduced in a 1 l vessel at 27°C? [17]

Prashant Kotian · Accepted Answer

Correct answer: B. Final partial pressures: P'() = 0.8 * 0.5 / 1 = 0.4 bar [17]. P'() = 0.7 * 2.0 / 1 = 1.4 bar [17]. Total pressure = 0.4 + 1.4 = 1.8 bar [17].

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