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Problem 61 Easy Difficulty

Most mixtures of hydrogen gas with oxygen gas are explosive. However, a mixture that contains less than 3.0 $\% O_{2}$ is not. If enough $\mathrm{O}_{2}$ is added to a cylinder of $\mathrm{H}_{2}$ at 33.2 $atm$ to bring the total pressure to $34.5 atm,$ is the mixture explosive?

Answer

3.768$\%$

More Answers

01:04

Aadit S.

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Chemistry

Chapter 9

Gases

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Video Transcript

So what we're taking your left out in this podcast is the ideal gas equation. When we have P V is equal to an R T. Uh, malls can also be written as the mass, which is denoted as w sorry. So masses w divided by the molar mass that is m. So what we see here is the increase in pressure is due to the addition of oxygen on can be determined by the difference in the final on the initial pressures. So we have the final in the initial process of the increase in pressure is 34.5. Subtract 33.2 is equal to 1.3 atmospheres. So the percentage of oxygen by weight take it to 1.3. Divided by 34.5 multiplied by 100 is three 0.768% to the weight percentage of oxygen is more than the limit of the tank On dso, our cylinder will explode. Yeah,

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Paul Flowers, Klaus Theopold, Richard Langley, William R. Robinson

Chemistry

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