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4 Pages

### 1e03-tut4-a

Course: ECON 201, Spring 2012
School: Conestoga
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Word Count: 1170

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1E03 TUTORIAL CHEM #4 Solutions ________________________________________________________________________ 1. The McMaster student FM radio station CFMU broadcasts at a frequency of 93.3 MHz (MHz = 1 megahertz = 106 s1). a) What is the wavelength of this signal in meters? = c / = (2.9979 108 m s-1) / (93.3 106 s1) = 3.213 m = 3.21 m b) What is the energy of one photon of this frequency? E = h = 6.626 1034 Js...

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Conestoga - ECON - 201
CHEM 1E03TUTORIAL #4_1. The McMaster student FM radio station CFMU broadcasts at a frequency of 93.3MHz (MHz = 1 megahertz = 106 s1).a) What is the wavelength of this signal in meters?b) What is the energy of one photon of this frequency?c) Compare
Conestoga - ECON - 201
CHEM 1E03TUTORIAL #5Solutions_1) a) Consider the following atomic orbital designations: 6s, 1p, 4d, 2d, 3p, 5p, 2s.Which of these are not possible? Why?1p is not allowed because p means l = 1, but l must be less than n.2d is not allowed because d m
Conestoga - ECON - 201
CHEM 1E03TUTORIAL #5_1)a) Consider the following atomic orbital designations: 6s, 1p, 4d, 2d, 3p, 5p, 2s.Which of these are not possible? Why?b) Which of the following sets of quantum numbers (n, l, ml) are not allowed?(2, 0, 0)(1, 1, 0)(2, 1, 1)
Conestoga - ECON - 201
CHEM 1E03TUTORIAL # 6Solutions_1. For the following anions: SO32, CO32, NO3, ClO3, and ClO2a) Draw Lewis structures and resonance formsb) What are the average bond orders for the central-atom-to-oxygen bonds in thesespecies?c) What is the average
Conestoga - ECON - 201
CHEM 1E03TUTORIAL # 6_1. For the following anions: SO32, CO32, NO3, ClO3, and ClO2.a) Draw Lewis structures and resonance forms.b) What are the average bond orders for the X-O bonds in these species?c) What is the average formal charge on the O atom
Conestoga - ECON - 201
Chem 1E03 Tutorial # 7a - Review for Test 221. Which of the following statements are FALSE about the BrO2F molecule? (Br is thecentral atom.)(i) It has a permanent dipole moment.(ii) It is T-shaped about Br.(iii) There is one lone pair of electrons o
Conestoga - ECON - 201
Chem 1E03 Tutorial # 7a - Review for Test 221. Which of the following statements are FALSE about the BrO2F molecule? (Br is thecentral atom.)(i) It has a permanent dipole moment.(ii) It is T-shaped about Br.(iii) There is one lone pair of electrons o
Conestoga - ECON - 201
CHEM 1E03TUTORIAL # 7_1. For the molecules OCS, ICl3, IF5, PF3, and CCl2Br2:a) determine the ABnEm class and name the molecular shape.b) identify those that have dipole moments, and indicate the direction of thedipole moment.2. Use the bond energy
Conestoga - ECON - 201
CHEM 1E03TUTORIAL # 8 SOLUTIONS_Assume all calculations are at 25C, so that Kw = 1.0 10-14 (and pKw = 14.00).1.Write the Lewis structure of the conjugate acid of each of the following species:CH3COO (acetate ion)ClO2 (chlorite ion)CH3COOH (acetic
Conestoga - ECON - 201
CHEM 1E03TUTORIAL # 8_Assume that all aqueous solutions are at 25C so that Kw = 1.00 10-141.Write the Lewis structure of the conjugate acid of each of the following species:CH3COO (acetate ion)2.ClO2 (chlorite ion)Write the Lewis structure of the
Conestoga - ECON - 201
CHEM 1E03TUTORIAL # 9Solutions_1. Are solutions of the following salts acidic, basic or neutral? Write balanced chemicalequations for the reactions causing the solution to be acidic or basic, as appropriate.(a) KBr(b) NaCN(c) (C5H5NH)ClO4KBr from
Conestoga - ECON - 201
CHEM 1E03TUTORIAL #10 Solutions_Note: the current textbook uses Eocell = Eored(cathode) - Eored(anode) while other books useEocell = Eored(cathode) + Eoox(anode). The two formulae are equivalent.1. Use the Eored table (last page) to answer the follow
Conestoga - ECON - 201
CHEM 1E03TUTORIAL #10_1. Use the Eored table (see next page) to answer the following problems.a) Calculate the standard cell potential, Eocell, for: Sn(s) + Cu2+(aq)Sn2+(aq) + Cu(s)b) Decide whether Cl2(g) (bubbled through an acid solution) will oxid
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