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CHEM 110 - GENERAL CHEMISTRY - Pittsburgh Study Resources
  • 3 Pages F10HW6-Review
    F10HW6-Review

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 6 REVIEW SET 1.136 1 cm 10-3 m x = 1.0 x 10-3 cm or 0.0010 cm 10-2 m 1 mm 1 m 10-3 m Also, diameter = 0.010mm x x = 10 m. 10-6 m 1 mm Therefore, only 2 blood cells would fit along this diagonal! c. 0.010 mm x d. 0.0605 kPa x e. 130pm x 1 cPa

  • 5 Pages S11-HW5-review
    S11-HW5-review

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 5 REVIEW TITRATIONS 16.31 a. First, since the pH of the solution is less than seven at the beginning of the titration, you can conclude that an acid is being titrated with a base. As the pH in much of the region before the equivalence point

  • 8 Pages S11-HW4-CH16
    S11-HW4-CH16

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 4 CHAPTER 16 4.27 b. First, determine the concentrations of the compounds after mixing together. Use the dilution relationship, M1V1 = M2V2. Since equal volumes of equal molar solutions are mixed, the resulting concentrations are 0.50 M KBr

  • 6 Pages S11-HW3-CH14-15
    S11-HW3-CH14-15

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 3 CHAPTERS 14, 15 14.8 The reaction quotient, Qc, is an expression that has the same form as the equilibriumconstant expression but whose concentrations are not necessarily equilibrium concentrations. It is useful in determining whether a re

  • 7 Pages S11-HW2-CH14
    S11-HW2-CH14

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK SET WEEK 2 CHAPTER 14 4.32 a. Soluble; The ions present would be NH4+ and SO42- (in 2:1 ratio) b. Insoluble c. Insoluble d. Soluble; The ions present would be Ca2+ and NO3- (in 1:2 ratio) 4.34c. Total Ionic equation: Pb2+(aq) + 2 NO3-(aq) + 2 Na+

  • 6 Pages S11-HW1-CH4
    S11-HW1-CH4

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 1, CHAPTERS 4, 16 010. An ionic binary compound: NaCl, Al(NO3)3; a molecular binary compound: H2O, HF. 2.18. See Hints sheet for instructions Ionic compound: only picture A Molecular compound: Picture C could be CO2; Picture E could be liqui

  • 14 Pages S10FA1-AK
    S10FA1-AK

    School: Pittsburgh

    Course: General Chemistry 1

    Name _ Chem 0120 - Golde Spring Term 2010 INSTRUCTIONS Signature _ FINAL EXAM Thursday, April 29 DO NOT TEAR ANY PAGES OFF YOUR EXAM, EXCEPT THE LAST PAGE. PRINT AND SIGN YOUR NAME AT THE TOP OF THIS PAGE. The exam contains 29 multiple-choice questions (6

  • 8 Pages S10E2A-AK
    S10E2A-AK

    School: Pittsburgh

    Course: General Chemistry 1

    Multiple Choice (out of 85) #16 & * (out of 15) Total (out of 100) Name _ Signature _ Chem 0120 - Golde Spring Term 2010 INSTRUCTIONS EXAM II Friday, April 2 DO NOT TEAR ANY PAGES OFF YOUR EXAM, EXCEPT THE PERIODIC CHART. PRINT AND SIGN YOUR NAME AT THE T

  • 8 Pages S10E1A-AK
    S10E1A-AK

    School: Pittsburgh

    Course: General Chemistry 1

    Multiple Choice (out of 90) * Score (out of 10) Total (out of 100) Name _ Chem 0120 - Golde Spring Term 2010 INSTRUCTIONS Signature _ EXAM I Friday, February 12 DO NOT TEAR ANY PAGES OFF YOUR EXAM PRINT AND SIGN YOUR NAME AT THE TOP OF THIS PAGE. The exam

  • 3 Pages M Topics (Chapters 2 - 4)
    M Topics (Chapters 2 - 4)

    School: Pittsburgh

    Course: General Chemistry 1

    Summary of M Topics from lecture for Chapters 2 - 4 M topics Chapter 2 Definitions of atom, molecule, element, compound Mental pictures of a solid, liquid and gas Names and symbols of elements 1 36 (H Kr) Naming molecular compounds Special names of NO, NH

  • 6 Pages S11-HW6-CH6-18a
    S11-HW6-CH6-18a

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 6 CHAPTERS 6, 18 6.17 The thermodynamic standard state refers to the standard thermodynamic conditions chosen for substances when listing or comparing thermodynamic data: one atm pressure for gases and 1M concentration for solutions. Any spe

  • 9 Pages s11Q1W2
    S11Q1W2

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0120 Golde SPRING 2011 QUIZ 1 WEEK 2 Monday 1:00 PM January 10, 2011 Name_ Show your work or give your reasoning in each question. 1. What volume of 0.150 M Na2CO3 solution can be prepared by dilution with water of 285 mL of a 4.85 M stock solution o

  • 6 Pages F10HW5-CH4
    F10HW5-CH4

    School: Pittsburgh

    Course: General Chemistry 1

    EWORK SET 5, CHAPTER 4 3.10 The limiting reactant is the reactant that is entirely consumed when the reaction is complete. Because the reaction stops when the limiting reactant is used up, the moles of product are always determined by the starting number

  • 8 Pages F10HW4-CH3-4
    F10HW4-CH3-4

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK FOR WEEK 4: CHAPTERS 3 AND 4 3.6 The empirical formula is the formula of a substance written with the smallest integer (whole number) subscripts. Each of the subscripts in the formula C6H12O2 can be divided by two, so the empirical formula of the

  • 7 Pages F10HW3-CH2-3
    F10HW3-CH2-3

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK PROBLEMS CHAPTER 2 (ii), CHAPTER 3 2.13 A metal is a substance that has characteristic luster, or shine, and is generally a good conductor of heat and electricity. Most metals are solids at room temperature (mercury is the sole exception). 010. T

  • 5 Pages F10HW2-CH2
    F10HW2-CH2

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 2, CHAPTER 2 2.15 A molecular formula gives the exact number of different atoms of an element in a molecule. A structural formula is a picture that shows how the atoms are bonded to one another in a molecule. More examples of the molecular f

  • 5 Pages F10HW1-CH1
    F10HW1-CH1

    School: Pittsburgh

    Course: General Chemistry 1

    Homework - Ch.1

  • 9 Pages S11Q5W7
    S11Q5W7

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0120 Golde SPRING 2011 QUIZ 5 WEEK 7 Monday 1:00 PM February 14, 2011 Name_ G = H - TS, G = -RTln(K), R = 8.31 J/mol K, G = Go + RTln(Q) 1. For the reaction H f (kJ/mol) So (J/mol K) o NH4Cl(s) -314.4 +94.6 NH4+(aq) + Cl-(aq) -133.3 -167.1 +111.2 +56

  • 9 Pages s11Q4W5
    S11Q4W5

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0120 Golde SPRING 2011 QUIZ 4 WEEK 5 b Monday 1:00 PM January 31, 2011 Name_ b 2 4ac ; Kw = 1.00 x 10-14 2a 1. Assign each of the following as a strong acid, a weak acid, a weak base or a strong base: HNO3; NH3 For ax2 + bx + c = 0, x = 2. Assign ea

  • 9 Pages S11Q3W4
    S11Q3W4

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0120 Golde SPRING 2011 QUIZ 3 WEEK 4 b b 2 4ac ; 2a Monday 1:00 PM January 24, 2011 Name_ For ax2 + bx + c = 0, x = Kw = 1.00 x 10-14 1. A weak acid, HCN, reacts with a weak base, NH3, as follows: HCN(aq) + NH3(aq) NH4+(aq) + CN-(aq), Kc = 0.755 By m

  • 8 Pages s11Q2W3
    S11Q2W3

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0120 Golde SPRING 2011 QUIZ 2 WEEK 3 Tuesday 8:00 AM January 18, 2011 Name_ 1. a) The reaction HNO2 + H2O H3O+ + NO 2 has an equilibrium constant, Kc = 4.5 x 10-4. Calculate Kc for the reaction: H3O+ + NO 2 HNO2 + H2O. (1) (2) b) What is the active s

  • 2 Pages M Topics10-12
    M Topics10-12

    School: Pittsburgh

    Course: General Chemistry 1

    M Topics Chapter 10 (VSEPR and valence-bond theory) Definitions of electron arrangement and molecular geometry VSEPR = Valence Shell Electron Pair Repulsion model Figure 10.2: the 5 VSEPR electron arrangements Procedure for determining the molecular geome

  • 2 Pages f10LabFinalReview
    F10LabFinalReview

    School: Pittsburgh

    Course: General Chemistry 1

    Chem 0110 Fall 2010: Final Lab Exam - Review Suggestions The Lab final exam will consist of five questions, each of a different type. These are listed below, with example questions and student responses. 1. Describing an experimental technique to measure

  • 12 Pages F10Q12W15
    F10Q12W15

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 12 WEEK 15 MONDAY, 1:00 PM December 6, 2010 NAME_ 1. The enthalpy of fusion (melting) of ice, H2O(s), is Hfusion = +6.01 kJ/mol. a) How much heat in J is needed to melt 2.85g of ice? b) Is fusion of ice exothermic or endothermic? c) In summ

  • 6 Pages F10HW12-CH10
    F10HW12-CH10

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 12 CHAPTER 10 10.2 10.7 10.8 The arrangements are linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral. sp3 hybridization is shown by an atom with 4 groups of electrons, i.e. with a tetrahedral electron arrangement. The

  • 8 Pages F10HW11-CH9
    F10HW11-CH9

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 11 CHAPTER 9 9.9 As the H atoms approach one another, their 1s orbitals begin to overlap. Each electron can then occupy the space around both atoms; that is, the two electrons are shared by the atoms. We can also use Lewis dots to represent

  • 4 Pages F10HW10-CH8
    F10HW10-CH8

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 10 CHAPTER 8 8.6 The noble-gas core is an inner-shell configuration corresponding to one of the noble gases. The valence electron is an electron (of an atom) located outside the noble-gas core and outside complete d or f subshells. It is an

  • 5 Pages F10HW9-CH7
    F10HW9-CH7

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 9 CHAPTER 7 7.2 The relationship among the different characteristics of light waves is c = , where is the frequency (Hz), is the wavelength (m), and c is the speed of light (m/s). As Hz is the same as /s (or s-1), it is seen that has the uni

  • 4 Pages F10HW8-CH6
    F10HW8-CH6

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 8 CHAPTER 6 6.6 An exothermic reaction is a chemical reaction or a physical change in which heat is evolved (H is negative). For example, burning one mol of methane, CH4(g), yields carbon dioxide, water, and 890.3 kJ of heat. An endothermic

  • 5 Pages F10HW7-CH5
    F10HW7-CH5

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 7 CHAPTER 5 5.15 This question applies to ideal gases. The postulates and supporting evidence are the following: (1) Gases are composed of molecules whose sizes are negligible compared with the distance between them. (2) Molecules move rando

  • 27 Pages 110F08finalpracticeAK
    110F08finalpracticeAK

    School: Pittsburgh

    Course: General Chemistry 1

    Final Exam Practice Questions for General Chemistry NOTICE TO ALL STUDENTS READING THIS MATERIAL: These exact questions will not appear on your exam. These example questions are provided to you help you review the material and become familiar with t

  • 2 Pages 110syllabus
    110syllabus

    School: Pittsburgh

    Course: General Chemistry 1

    CHEMISTRY 110, PRINCIPLES OF CHEMISTRY, FALL 2008 INSTRUCTOR: Dr. Eugene Wagner OFFICE: Chevron 107E & Thaw 400 OFFICE HOURS: TBA, or by appt. PHONE: 624-2861 E-MAIL: ewagner@pitt.edu - This is the best way to reach me. CLASS WEBSITE: http:/gen.che

  • 1 Page EXPT 13 pre lab
    EXPT 13 Pre Lab

    School: Pittsburgh

    EXPT. #13 Pre Lab 1. rate speed at which a reaction occurs Rate law an equation that relates the rate of a reaction to the concentrations of reactants raised to various powers. Rate constant a proportionality constant in the relationship between r

  • 6 Pages F10HW14-ch1112
    F10HW14-ch1112

    School: Pittsburgh

    Course: General Chemistry 1

    HOMEWORK WEEK 14 CHAPTERS 11, 12 11.3 The vapor pressure of a liquid is the partial pressure of the vapor over the liquid, measured at equilibrium. In molecular terms, vapor pressure involves molecules of a liquid vaporizing from the liquid phase. The liq

  • 10 Pages F10Q1W2
    F10Q1W2

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 Golde QUIZ 1 WEEK 2 TUESDAY 8:00 AM September 7, 2010 NAME_ 1. Evaluate the following expression: 319 + 4.72 x 10-4 5.57 x 10-7 Give your answer to the appropriate number of sig. figs. State the number of sig. figs. and explain how you decided h

  • 12 Pages F10Q11W14
    F10Q11W14

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 11 WEEK 14 MONDAY, 1:00 PM November 29, 2010 NAME_ 1. a) Draw the Lewis structure for NH3. b) Give the electron arrangement around the N atom. c) Give the molecular geometry around the N atom. d) Is the NH3 molecule polar or nonpolar? Give

  • 12 Pages F10Q9W11
    F10Q9W11

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 9 WEEK 11 MONDAY, 1:00 PM November 8, 2010 NAME_ 1. For each of the following statements, state whether it is True or False. Give your reasoning. a) For the hydrogen atom, the quantum number must equal n-1. For all other atoms, can have any

  • 12 Pages F10Q8W10a
    F10Q8W10a

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 8 WEEK 10 MONDAY, 1:00 PM November 1, 2010 NAME_ RH c = . ; E = h. ; c = 3.00 x 108 m/s; h = 6.63 x 10-34 J.s; En = RH - 2 ;RH = 2.18 x 10-18 J n 1. In each of the following, state which radiation has the higher photon energy. Show your wor

  • 12 Pages F10Q7W9
    F10Q7W9

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 7 WEEK 9 MONDAY, 1:00 PM October 25, 2010 NAME_ 1. Characterize each of the following processes as EXOthermic or ENDOthermic. Give your reasoning. (a) Dissolving NH4Cl in water: We know that when NH4Cl solid dissolves in water, the temperat

  • 12 Pages F10Q6W8
    F10Q6W8

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 6 WEEK 8 MONDAY, 1:00 PM October 18, 2010 NAME_ pV = nRT; 2 3 RT u = ;R = 0.0821 L atm/mol K = 8.31 J/mol K molar mass 1 1. Assess each of the following statements as True or False. Give your reasoning. a) Volume is directly proportional to

  • 12 Pages F10Q5W6
    F10Q5W6

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 5 WEEK 6 MONDAY, 1:00 PM October 4, 2010 NAME_ 1. Write a balanced chemical equation for the single displacement reaction in which magnesium metal displaces chromium metal from the compound chromium(III) sulfate in solution. 2. Aluminum (Al

  • 12 Pages F10Q4W5
    F10Q4W5

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 4 WEEK 5 MONDAY, 1:00 PM September 27, 2010 NAME_ 1. A 28.61 g sample of a compound of chromium and oxygen contained 14.88 g of Cr. Determine the empirical formula of the compound. 2. As you know, ionic compounds in aqueous solution split c

  • 12 Pages F10Q3W4
    F10Q3W4

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 3 WEEK 4 MONDAY, 1:00 PM September 20, 2010 NAME_ 1. For each of the following, state whether the name is correct or incorrect for the given formula. Give your reasoning. Give the correct names where needed. a) NiSO4: Nickel sulfide b) CO2:

  • 12 Pages F10Q2W3
    F10Q2W3

    School: Pittsburgh

    Course: General Chemistry 1

    CHEM 0110 QUIZ 2 WEEK 3 MONDAY, 1:00 PM September 13, 2010 NAME_ 1. A jar of peanut butter contained the following fascinating information on the label. It contained 16 servings and each serving was 2 tbsp (tablespoons) and weighed 32g. a) Calculate the t

  • 1 Page chem info
    Chem Info

    School: Pittsburgh

    Course: GENERAL CHEMISTRY

    Table 2.4 IA Period 1 Period 2 Period 3 Period 4 Period 5 Period 6 Li+ Na+ K+ Rb+ Cs+ IIA Be2+ Mg2+ Ca2+ Sr2+ Ba2+ IIIA B Al3+ Ga3+ In3+ Tl+, Tl3+ IVA C Si Ge Sn2+ Pb2+ VA N3P As Sb Bi3+ VIA O2S2Se2Te2VIIA H+ FClBrI- *Elements shown in italics do no

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