Simplest004

450 views
390 views

Published on

Take 04

Published in: Education, Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
450
On SlideShare
0
From Embeds
0
Number of Embeds
3
Actions
Shares
0
Downloads
1
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Simplest004

  1. 1. Simplest Formula <br />Prepared by: Stephen Boylan<br />October 20, 2009 <br />
  2. 2. Simplest Formula .<br />.<br />.<br />
  3. 3. Simplest Formula - Simple001<br />A. Combustion in Excess oxygen <br />12.795 g. HC ----&gt; 32.689 g. CO2 + 13.377 g. H2O<br />B. 5 Step Calculation <br />C. The Simplest Formula<br />. Cx Hy Oz<br />
  4. 4. Molar Mass CO2 <br />Element Number Atomic Mass Formula<br /> n Units, amu Mass, <br /> C 1 12.01 12.01<br /> O 2 16.00 32.00<br /> 44.01grams per mole CO2<br />
  5. 5. <ul><li>Molar Mass H2O
  6. 6.  
  7. 7. Element Number Atomic Mass Formula
  8. 8. n Units, amu Mass, n(amu)
  9. 9. H 2 1.008 2.016
  10. 10.  
  11. 11. O 1 16.00 16.00
  12. 12. 18.02 grams per
  13. 13. mole H2O
  14. 14.  </li></li></ul><li><ul><li> 
  15. 15. 2.0 Calculate the grams of carbon, hydrogen and oxygen.
  16. 16.  
  17. 17. 12.795g. HC --> 32.689 g CO2 + 13.377 g. H2O
  18. 18. C:
  19. 19. 32.689 grams CO2 12.01 grams C = 8.921 g. C
  20. 20. 44.01 grams CO2
  21. 21. H:
  22. 22. 13.377 grams H2O 2x1.008 grams H = 1.497 g H
  23. 23. 18.02 grams H2O
  24. 24. O:
  25. 25. 12.795 g HC - 8.921g C - 1.497 g H= 2.377 g O
  26. 26.  </li></li></ul><li><ul><li>Moles of carbon, hydrogen and oxygen.
  27. 27.  
  28. 28. C: 8.921 g. C 1 mole C = 0.7429 moles C
  29. 29. 12.01 grams C
  30. 30.  
  31. 31. H: 1.497 g. H 1 mole H = 1.485 mole H
  32. 32. 1.008 grams H
  33. 33.  
  34. 34.  
  35. 35. O: 2.377 g. O 1 mole O = 0.1485 mole O
  36. 36. 16.00 grams O </li></li></ul><li><ul><li> Ratios Divide by smallest
  37. 37.  
  38. 38. C: 0.7429 moles C 1 = 5.003 ~ 5 moles C
  39. 39. 0.1485
  40. 40. H: 1.485 mole H 1 = 10 moles H
  41. 41. 0.1485
  42. 42. O: 0.1485 mole O 1 = 1 moles O
  43. 43. 0.1485
  44. 44.  </li></li></ul><li>C5 H10 O1<br />
  45. 45.
  46. 46.  <br /> The End <br />

×