Monday, July 22, 2013

Unit 3 SAS #1-30 (pg. 233)

1. Hydrocarbons are molecular compounds that only contain atoms of hydrogen and carbon.

3. It has a high energy content and can be used in many objects

5. Crude oil means it is in it's natural state/it is raw.

6. a. 2622 barrels
    b. 21220 barrels

7. Lubricating oil, diesel, and fuel oil

8. a. Hairdryer, toothbrush, combs, and so?
    b. Air dry, rinsing our mouth, hands, wipes

10. a. Central Asia, Far East, Oceania
      b. Middle East

11. a. North America, Western and Eastern Europe, Central Asia, Far East, and Oceania
      b. Central and South America, Africa, and Middle East

12. If the 2 substances are insoluble in each other

13. Acetone and water

15. 
16. Fractional distillation produces several distinctive mixtures

17. Refined oils, gas oil, and petrochemicals

18. From the bottom since the temperature is the hottest there

19. Simple distillation would be the next step

20. Methane, pentane, hexane, and octane

21. A covalent bond is the sharing of 2 or more valence electrons between two atoms

22. There are no more electrons to fill the shell

23. The dogs must share the sock like electrons would share a bond with an atom

26. a. Structural formulas show the structure/makeup of the elements. Molecular formulas show the number of atoms in the molecules used
      b. Structural formulas don't give an accurate representation which helps predict a molecules physical and chemical behavior. 

27. a. 

      b. 
















28. The 4 dots represent valence electrons

29. a. C9H20
      b. C1634
      c. C10H22
      d. C18H38

30. a. 128
      b. 226
      c. 142
      d. 254

No comments:

Post a Comment