anonymous
  • anonymous
A mixture of .150 moles of C is reacted with .117 moles of O2 in a sealed, 10.0 L vessel at 500K, producing a mixture of CO and CO2. The total pressure is .640 atm. What is the partial pressure of CO?
Chemistry
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@dan815 can you help?
NathalyN
  • NathalyN
150 moles of C is reacted with .117 moles of O2 Let CO = moles CO formed and CO2 = moles CO2 formed CO + CO2 = .150, by conserving carbon atoms CO + 2CO2 = .117 x 2 = .234, by conserving oxygen atoms. Two linear equations in two unknowns you can solve. Once you know moles CO you just PV = nRT ---> P = nRT/V; just ignore CO2 as you want partial pressure of CO only Actually, this problem is overspecified, ie has more information than is required to precisely define it [and the problem can be that the data are not consistent] So by the above method use CO2 to find the partial pressure of CO2 and add it to that of CO and see if you get .640 atm; if you do not, then the data are inconsistent. CO and CO2 will be pretty ideal under those conditions.
NathalyN
  • NathalyN
does this answer yuor question

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NathalyN
  • NathalyN
@onegirl does that answer your question
anonymous
  • anonymous
yes
NathalyN
  • NathalyN
okay can you give me a medalplease

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