2. Exam Specifications Mathematics15% Engineering Probability and Statistics7% Chemistry9% Computers7% Ethics and Business Practices7% Engineering Economics8% Statics and Dynamics10% Strength of Materials7% Material Properties7% Fluid Mechanics7% Electricity and Magnetism9% Thermodynamics7%

3. BEGINNING OF CHEMISTRY

4. Problem 128 TOPIC: Chemistry (pg 33-39) Periodic Table Categorizations of Elements Metalloids: boron (B), silicon (S), arsenic (As), germanium (Ge), antimony (Sb), tellurium (Te), and polonium (Po) Metals: everything to the left of the metalloids Nonmetals: everything that is not a metal Noble or inert gases: column on the right Halogens: column next to noble gases (a)What is the atomic number> (b)What is the atomic mass? (c)Are the electrons equal to neutrons? protons?

5. Problem 129 TOPIC: Chemistry (pg 33-39) Oxidation (Valence) State Oxidation Number (oxidation state) An electrical charge assigned by a set of prescribed rules. Elements have valence shells Noble gases: completely filled shells (stable) Non-noble elements: achieve a more stable shell by adding/losing electrons (a)How does sodium reach a stable state with filled shells? (b)How does oxygen reach a stable state with filled shells? (c)How does aluminum reach a stable state with filled shells? (d)How is Manganese different than (a) through (c)

6. Problem 130 TOPIC: Chemistry (pg 33-39) Nitrogen (N) the most notable exception, can have any valence in its row (+5 to –3, but never zero). (a)Since nitrogen is diatomic (N 2 ): how does it become stable? Some valence states to remember are: hydrogen (H) column: +1 beryllium (Be) column: +2 boron (B) column: +3 fluorine (F): –1 oxygen (O): –2 Ionic compounds are based on the unequal sharing of electrons Covalent compounds are based on the sharing of electrons to become stable (b) How is methane (CH 4 ) bonded?

7. Problem 131 TOPIC: Chemistry (pg 33-39) The valence (oxidation state) of manganese in potassium permanganate, KMnO4 is: (b) (a)

8. Problem 132 TOPIC: Chemistry (pg 33-39) (a) Calculate the total number of mols in the following mixture of gases: H220 g CH430 g C3H625 g (b) Calculate the mol fractions of the compounds in the mixture above

9. Problem 133 TOPIC: Chemistry (pg 33-39) (a) Calculate the total number of mols in the following mixture of gases: H220 g CH430 g C3H625 g (b) Calculate the mol fractions of the compounds in the mixture above

10. Problem 134 TOPIC: Chemistry (pg 33-39) Please balance the following equations: Al + H 2 SO 4 → Al 2 (SO 4 ) 3 + H 2 Na 2 CO 3 + HCl → NaCl + H 2 O + CO 2 FeS 2 + O 2 → Fe 2 O 3 + SO 2

11. Problem 135 TOPIC: Chemistry (pg 33-39) For the following reactions, what is oxidized? What is reduced? What is the oxidizing agent? What is the reducing agent?

12. Problem 136 TOPIC: Chemistry (pg 33-39)

13. Problem 137 TOPIC: Chemistry (pg 33-39) Unit of concentration: Molarity – number of gmol/L of solution Molality – number of gmol/1000 g of solution Normality – number of gram-equivalent weight/L of solution Normal solution – gram-equivalent weight/L of solution

14. Problem 138 TOPIC: Chemistry (pg 33-39)

15. Problem 139 TOPIC: Chemistry (pg 33-39)

16. Problem 140 TOPIC: Chemistry (pg 33-39)

17. END OF CHEMISTRY

18. BEGINNING OF MATERIALS SCIENCE

19. Problem 142 TOPIC: Chemistry (pg 33-39)

20. Problem 142, continued TOPIC: Chemistry (pg 33-39) NaCl has a face-centered cubic unit cell while CsCl is body-centered cubic

21. Problem 141, continued TOPIC: Chemistry (pg 33-39)

22. Problem 143 TOPIC: Chemistry (pg 33-39)

23. Problem 144 TOPIC: Chemistry (pg 33-39) How about NH 3, SO 2, C 8 H 18 ?

24. Problem 145 TOPIC: Chemistry (pg 33-39) How about Fe?

25. Problem 146 TOPIC: Chemistry (pg 33-39) Where is the eutectic and what does it represent?

26. Problem 147 TOPIC: Chemistry (pg 33-39) Assuming you have a liquid at composition x, what happens as the liquid is cooled down ?

27. Problem 148 TOPIC: Chemistry (pg 33-39) Where is the eutectic and what does it represent? Fe-C phase diagram

28. Problem 149 TOPIC: Chemistry (pg 33-39)

29. END OF MATERIALS SCIENCE

30. BEGINNING OF ELECTRICITY

31. Problem 150 TOPIC: Electric Circuits (pg 193, ff)

32. Problem 151 TOPIC: Electric Circuits (pg 193, ff)

33. Problem 152 TOPIC: Electric Circuits (pg 193, ff)

34. Problem 153 TOPIC: Electric Circuits (pg 193, ff)

35. Problem 154 TOPIC: Electric Circuits (pg 193, ff)

36. Problem 155 TOPIC: Electric Circuits (pg 193, ff)

37. Problem 156 TOPIC: Electric Circuits (pg 193, ff)

38. Problem 157 TOPIC: Electric Circuits (pg 193, ff)

39. Problem 158 TOPIC: Electric Circuits (pg 193, ff)

40. Problem 159 TOPIC: Electric Circuits (pg 193, ff) What is the capacitance seen by the battery?

41. Problem 160 TOPIC: Electric Circuits (pg 193, ff) A 10  F capacitor in series with another 10  F capacitor has been connected to a potential source of 150 V. The energy stored in the capacitors in 10 time constants is most nearly

42. Problem 161 TOPIC: Electric Circuits (pg 193, ff) Find the inductance as seen from the battery.

43. Problem 162 TOPIC: Electric Circuits (pg 193, ff) Find the inductance as seen from the battery.

44. Problem 163 TOPIC: Electric Circuits (pg 193, ff) Find the inductance as seen from the battery.

45. Problem 164 TOPIC: Electric Circuits (pg 193, ff) Find the inductance as seen from the battery.

46. Problem 165 TOPIC: Electric Circuits (pg 193, ff)

47. Problem 166 TOPIC: Electric Circuits (pg 193, ff)

48. Problem 167 TOPIC: Electric Circuits (pg 193, ff)

49. Problem 168 TOPIC: Electric Circuits (pg 193, ff)

50. Problem 169 TOPIC: Electric Circuits (pg 193, ff)

51. Problem 170 TOPIC: Electric Circuits (pg 193, ff)

52. Problem 171 TOPIC: Electric Circuits (pg 193, ff)

53. Problem 172 TOPIC: Electric Circuits (pg 193, ff)

54. Problem 173 TOPIC: Electric Circuits (pg 193, ff)

55. Problem 174 TOPIC: Electric Circuits (pg 193, ff)

56. END OF ELECTRICITY