anonymous
  • anonymous
Check my work in stochiochemistry. Did I get the correct result?
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
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anonymous
  • anonymous
@dpaInc @jhonyy9 @Outkast3r09
anonymous
  • anonymous
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O the ratio between C8H18 and CO2 is 2 : 16 moles CO2 formed = 3.5 x 16/ 2= 28

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anonymous
  • anonymous
Oh right! I did that before I corrected the equation.
anonymous
  • anonymous
:) did that help?
anonymous
  • anonymous
Yeah, I have a couple more. If you could check them as well, that would be great.
anonymous
  • anonymous
okay tag me when you post
anonymous
  • anonymous
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anonymous
  • anonymous
It functions based on the original equation.
anonymous
  • anonymous
@sara1234
anonymous
  • anonymous
We shall assume that C8H18 is in excess. First calculate the moles of O2: n(O2) = 300 g / 32.00 g/mol = 9.375 mol Determine the moles H2O using the mole ratio; 18 moles of H2O are formed when 25 moles of O2 react. n(H2O) = (9.375 mol O2)(18 mol H2O / 25 mol O2) = 6.75 mol H2O Multiply the moles of H2O by Avogarod's number to determine # of molecules: (6.75 mol)(6.01x10^23 molecules/mol) = 4.1x10^24 molecules
anonymous
  • anonymous
Last one. Thanks @sara1234 !
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anonymous
  • anonymous
@AccessDenied Could you check this for me?
anonymous
  • anonymous
@aaronq @kelly226
anonymous
  • anonymous
Could you help me with this last problem? I already did it, but it would be great if you could check it. It's a23.png, and the equation is at the top.
anonymous
  • anonymous
Well, the top as in the top image.
anonymous
  • anonymous
@ghazi @kymber
ghazi
  • ghazi
well 2 moles of C8H18 yeilds 16 moles of CO2 1 mole of C8H18 will yeild 8 moles of CO2 therefore 3.5 moles of C8H18 will yeild 8*3.5=28 moles of CO2

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