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1) What is the pressure in a 18.2-L cylinder filled with 27.0g of oxygen gas at...

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Chemistry

1) What is the pressure in a 18.2-L cylinder filled with 27.0gof oxygen gas at a temperature of 329K ?

2) A gas mixture with a total pressure of 765mmHg contains eachof the following gases at the indicated partial pressures: CO2,129mmHg ; Ar, 208mmHg ; and O2, 191mmHg . The mixture also containshelium gas.

What mass of helium gas is present in a 12.4-L sample of thismixture at 276K ?

Answer & Explanation Solved by verified expert
4.5 Ratings (845 Votes)
PROBLEM 1 Values P V 182 L m 270 g O2 Fw 32 gmoL1 n 27g32 gmoL1 08437 moL T 329 K R 00821 atmLmoL1K1 PV nRT P nRTV 08437 moL 00821 atmLmoL1K1329K182    See Answer
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