Problems:
Ch. 2 p.75: 43,48
Ch 7 p. 341: 43, 49a, 51,53, 59, 61, 65, 77, 81, 91, 93, 109
Ch 3: p.123: 27,49,65, 67,83, 97 a,d,g, 103 add % Error here.
Ch 4: p.180: 15 a, 17c, d, 19, 25,29 write the net ionic reactions, 55, 59,63, 65.
Ch 5: p.234: 61,69, 79, 105
Ch. 6 Std. Enthalpy of Formation: pp. 285: 59, 61
Ch. 8 & 9 problems currently assigned:

Ch. 10: Phase Diagrams: p.508 79, 81, 83, Intermolecular Forces: p503: 13,15, 21,29

Ch. 16: p. 828 7, 9, 11, 13, p. 829 27, 29, 37, 39

Problem set 3: p. 408: 63,65,67,69 Lewis Structure and Resonance
Problem set 4: 79,83 and 85, 87,91,93,95.
Problem set 5:p. 444 #23, 25 and any others in blue you want to review

Additional information for the Midterm Exam:

1. Nitrogen is the central atom in each of the species given: NO2, NO2 -1 NO2 +1

• a) Draw Lewis structure for each molecule or ion.
• b) Give hybridization of each nitrogen atom.
• c) list species in order of increasing bond angle. Justify your answer.
• d) List the species that are polar.
• e) Identify the molecule that dimerizes i.e. comes together as two and explain what would cause it to do so.
• f) If we cover it, determine the formal charge on each atom.

1. Draw the following: (hybridization, angle, determine the number of pi and sigma bonds) or just use the ones assigned in Chapters 8 and 9.
2. CH4, CCl4, CO2, SO3, TeBr4, BrF3, IF5, XeF4, SCl2, C2H4, PH2+, N2,CS2, C3H8, C2H2, C2 H6, KrCl4, NH3, CH3COCH3 acetone,
3. Ppt? with sulfate, or phosphate: ions of K, Li, Ca, S, Cl
4. Calculate # atom of H in 500 g of water
5. Think Rutherford when asking about alpha particles.
6. Coffee Cup calorimetry q1 = q2
7. ?mass of NaOH to react with 50.0 ml of 1.5 M HCl
8. strong and weak acids: HF, KOH, HCLO4, HClO, HBrO, HCNO, HBr, HNO2, HCN
9. Molarity: 600 g of SrCl2 in 250.0 ml of solution?
10. 25 g of Li + 10 g Fluorine. What is left over after the reaction occurs?
11. 50 g of calcium bromide and 100 g sodium phosphate
12. Bomb calorimeter problem
13. EMR long and short
14. Given 500 g of acetone, how many moles of molecules are there?
15. 4.37 g of a diatomic gas in 3.00 l at 1.00 atm and a temp of 45 C, what is the gas?
16. spdf
17. calculate lambda, energy and nu for the light emitted given n=5 to n = 2
18. filtration, chromatography, distillation, vaporization, homogenization
19. Boyle, Lavoisier, Priestly, Berzelius, Dalton, Rutherford, Moseley, Mendeleev, J J Thomson, Wm. Thomson
20. Know PEN for elts, ions and isotopes
21. bicarbonate, bisulfate, biphosphate ions

Useful Information:

M= g/mol, 0.08206 L atm/mol K, 62.4 L mmHg/mol K, 62.4 L torr/mol K, PV = nRT, MM = dRT/P, 2.9979 e8 m/s = c, 6.6261 e-34 Js,-2.178 e-18 J/n2