Archives: Quiz
Chapter 1 2 Convert Between Different Prefixes Used Mass Measurements global
Use the drawings below to answer the following questions. 62) If hitting the bull’s-eye is the desired result, Figure (a) represents A) good accuracy and good precision. B) good accuracy and poor precision. C) poor accuracy and good precision. D) […]
Chapter 1 1 Death Valley California Visitor9requires About One Quart
1 Chemistry, 7e (McMurry/Fay) Chapter 1 Chemical Tools: Experimentation and Measurement 1.1 Multiple-Choice Questions 1) A consistent explanation of known observations is called A) an experiment. B) a hypothesis. C) a prediction. D) a theory. 2) An interpretation of the […]
Chapter 23 5 Naturally occurring organic molecules that dissolve in nonpolar
A) acidic. B) basic. C) neutral, non-polar. D) neutral, polar. Answer: D Diff: 2 Topic: Conceptual Problems 227) Based on the structure of its side chains, the amino acid shown below can be classified as A) acidic. B) basic. C) […]
Chapter 23 4 Identify the amino acid shown below Methionine (Met) Phenylalanine
199) Identify the amino acid shown below. A) Methionine (Met) B) Phenylalanine (Phe) C) Proline (Pro) D) Tryptophan (Trp) 61 Answer: C Diff: 2 Topic: Conceptual Problems 200) Identify the amino acid shown below. A) Methionine (Met) B) Phenylalanine (Phe) […]
Chapter 23 3 To which family does this organic compound belong
128) To which family does this organic compound belong? A) amide B) amine C) carboxylic acid D) ester Answer: B Diff: 2 Topic: Conceptual Problems 129) To which family does this organic compound belong? A) amide B) amine C) carboxylic […]
Chapter 23 2 Which of the following is the most soluble in water
70) “Wood alcohol” is the common name for A) methanol. B) ethanol. C) 2-propanol. D) 1, 2-ethanediol. Answer: A Diff: 1 Topic: Section 23.7 Alcohols, Ethers, and Amines 71) “Rubbing alcohol” is the common name for A) methanol. B) ethanol. […]
Chapter 23 1 Which of the following statements about carbon is false
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 23 Organic and Biological Chemistry 23.1 Multiple Choice Questions 1) Which of the following statements about carbon is false? A) Carbon compounds have covalent bonds. B) Carbon compounds can have multiple […]
Chapter 22 2 Which unit of radiation describes the amount of radiation emitted
14 50) Radiation is detected by its ________ properties. A) gravitational B) ionizing C) kinetic D) thermal 51) Which one of the following instruments would be the least suitable for detecting particles given off in radioactive decay? A) electron microscope […]
Chapter 22 1 Section Energy Changes During Nuclear Reactions
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 22 Nuclear Chemistry 22.1 Multiple Choice Questions 1) When more than 3600 known nuclides are plotted on a neutron/proton grid they make up a group called A) the “island of stability.” […]
Chapter 21 2 The bonding in ceramics is highly nondirectional
C) The bonding in ceramics is highly nondirectional. D) The localized bonding in ceramics is highly directional. Answer: D Diff: 2 Topic: Section 21.8 Ceramics 74) What substance has a rating of 10 on the Mohs hardness scale? A) alumina […]
Chapter 21 1 Why Are Ceramics Much More Brittle
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 21 Metals and Solid-State Materials 21.1 Multiple Choice Questions 1) What are the most abundant minerals in the earth’s crust? A) aluminosilicates and silicates B) chlorides and iodides C) nitrates and […]
Chapter 20 3 Problems Which The Crystal Field Energy Level
131) Which of the above are bidentate or tridentate ligands, capable of forming chelate rings? A) (a) and (c) B) (b) and (d) C) (a), (b), and (c) D) (a), (b), (c), and (d) Answer: A Diff: 1 Topic: Conceptual […]
Chapter 20 2 Which of the following complexes has five unpaired electrons
85) Which of the following complexes has five unpaired electrons? A) [Mn(H2O)6]2+ B) [Mn(CN)6]3- C) CrCl3(H2O)3 D) [Ag(NH3)2]+ Answer: A Diff: 3 Topic: Section 20.12 Crystal Field Theory 86) Which of the following complexes are diamagnetic? [Mn(CN)6]3- [Zn(NH3)4]2+ [Fe(CN)6]4- [FeF6]3- […]
Chapter 20 1 Which of the following elements is an inner transition metal
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 20 Transition Elements and Coordination Chemistry 20.1 Multiple Choice Questions 1) Which of the following elements is an inner transition metal? A) Eu B) Fe C) Ru D) Sc Answer: A […]
Chapter 19 3 What The Formula And Charge The Silicate
133) At 25°C the elements indicated by the shaded area in the following periodic table are all A) diatomic molecules. B) gases. C) liquids. D) solids. Answer: A Diff: 2 Topic: Conceptual Problems 134) At 25°C the elements indicated by […]
Chapter 19 2 What is the most acidic oxide of phosphorus
90) What is the most acidic oxide of phosphorus? A) PO2 B) PO3 C) P4O6 D) P4O10 Answer: D Diff: 3 Topic: Section 19.11 Phosphorus 91) What is the molecular structure of phosphorous acid? A) 1 B) 2 C) 3 […]
Chapter 19 1 What are the three most abundant elements in the Earth’s crust
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 19 The Main-Group Elements 19.1 Multiple Choice Questions 1) What are the three most abundant elements in the Earth’s crust? A) H, O, C B) O, Al, Si C) O, Si, […]
Chapter 18 2 Which element shown on the periodic table above forms a
78) The binary hydride shown in picture (3) is classified as A) covalent. B) interstitial (metallic). C) ionic. D) none of the above Answer: A Diff: 2 Topic: Conceptual Problems 79) The binary hydride shown in picture (4) is classified […]
Chapter 17 3 What is the quantitative change in the cell voltage on increasing
35 cell voltage if Cu(NO3)2 is added to the compartment containing the Cu2+(aq)? The cell voltage will A) decrease. B) increase. C) remain the same. D) can’t tell from the information given 123) The initial concentrations of Ag+(aq) and Cu2+(aq) […]
Chapter 17 2 Which of the following reactions is most suitable for a fuel
74) Which of the following reactions is most suitable for a fuel cell? A) MnO2(s) + Li(s) → LiMnO2(s) B) Pb(s) + PbO2(s) + 2 H+(aq) + HSO4–(aq) → PbSO4(s) + 2 H2O(l) C) HgO(l) + Zn(s) → ZnO(s) + […]
Chapter 17 1 What species is oxidized in the reaction
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 17 Electrochemistry 17.1 Multiple Choice Questions 1) Which of the following terms can be used to describe an electrochemical cell in which a spontaneous chemical reaction generates an electric current? I. […]
Chapter 16 3 Understand the relationship between AG and the equilibrium constant
Consider the reaction 2A(g) ⇌ A2(g). The following pictures represent two possible initial states and the equilibrium state of the system. 99) For initial state 1 what is the relationship between the reaction quotient, Qp, and the equilibrium constant, Kp? […]
Chapter 16 2 Free-Energy Changes for Reactions under Nonstandard-State
67) Which is the lowest at 25°C? A) ΔG°f for H2O (s) B) ΔG°f for H2O (l) C) ΔG°f for H2O (g) D) 1/2ΔG°f for O2 (g) plus ΔG°f for H2O (g) Answer: B Diff: 3 Topic: Section 16.9 Standard […]
Chapter 16 1 Which of the following processes are spontaneous
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 16 Thermodynamics: Entropy, Free Energy, and Equilibrium 16.1 Multiple Choice Questions 1) Which of the following statements is not true? A) The reverse of a spontaneous reaction is always nonspontaneous. B) […]
Chapter 15 3 What The Approximate The Equivalence Point Weak
The following plot shows a titration curve for the titration of 1.00 L of 1.00 M diprotic acid H2A with NaOH. 125) A buffer region is indicated by which point(s) a-d? A) point a B) points a and c C) […]
Chapter 15 2 What is the most soluble salt of the following set
66) What is the most soluble salt of the following set? A) AgCN with Ksp = 6.0 × 10-17 B) Al(OH)3 with Ksp = 1.9 × 10-33 C) Fe(OH)3 with Ksp = 2.6 × 10-39 D) Sn(OH)2 with Ksp = […]
Chapter 15 1 What is the pH of a buffer solution made by mixing
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 15 Applications of Aqueous Equilibria 15.1 Multiple Choice Questions 1) Which is a net ionic equation for the neutralization of a strong acid with a strong base? A) HCl(aq) + NaOH(aq) […]
Chapter 14 3 Of the elements indicated on the periodic table shown above
The following pictures represent equal volumes of aqueous solutions of three acids HA (A = X, Y, or Z); water molecules have been omitted for clarity. 144) Arrange the acids in order of increasing acid strength. A) HZ < HY […]
Chapter 14 2 The percent dissociation of acetic acid changes as the concentration
74) Benzoic acid (C6H5CO2H = HBz) solutions are sometimes used in experiments to determine the molarity of a basic solution of unknown concentration. What is the pH of a 0.100 M solution of benzoic acid if and the equilibrium equation […]
Chapter 14 1 What are the conjugate acid-base pairs in the following chemical
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 14 Aqueous Equilibria: Acids and Bases 14.1 Multiple Choice Questions 1) An Arrhenius acid is best defined as a A) hydroxide donor. B) proton acceptor. C) substance that dissociates in water […]
Chapter 13 3 The following picture represents the equilibrium state
110) The following picture represents the equilibrium state for the reaction A2 + B2 ⇌ 2AB. What is the relationship between the rate constant for the forward reaction, kf, and the rate constant for the reverse reaction kr? A) kf […]
Chapter 13 2 Iron oxide ores are reduced to iron metal
21 equilibrium mixture of gases for a reaction having unequal moles of gaseous products and gaseous reactants? A) addition of reactants or products B) decreasing the pressure or volume C) increasing the temperature D) All of the above will alter […]
Chapter 12 3 How Long Will Take For The Concentration
converted to B molecules (shaded spheres). Given the following pictures at t = 0 seconds and t = 100 seconds, which picture represents the number of A and B molecules remaining at 200 seconds? A) picture a) B) picture b) […]
Chapter 12 2 What The Temperature The reaction When The Rate
21 58) Hydrogen iodide decomposes at 800 K via a second-order process to produce hydrogen and iodine according to the following chemical equation. 2 HI(g) → H2(g) + I2(g) At 800 K it takes 142 seconds for the initial concentration […]
Chapter 12 1 what is the rate of disappearance of N2O5 at that moment
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 12 The Rates and Mechanisms of Chemical Reactions 12.1 Multiple Choice Questions 1) Which term describes the measure of the increase in the concentration of a product per unit time? A) […]
Chapter 11 3 What is the mole fraction of ethanol in a solution
125) Drawing (1) shows a nonequilibrium system comprised of pure water separated from an aqueous solution by a semipermeable membrane. Shaded spheres represent solute particles and unshaded spheres represent water molecules. Which drawing (2)-(5) represents this system after equilibrium is […]
Chapter 11 2 Which of the following solutions will have the lowest freezing point
80) If one mole of each is dissolved in 1.00 L of water, which will lower the vapor pressure the most? A) C12H22O11 B) NaNO3 C) C3H7OH D) MgCl2 Answer: D Diff: 2 Topic: Section 11.6 Vapor-Pressure Lowering of Solutions: […]
Chapter 11 1 Which of the following pairs of liquids are likely to be miscible
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 11 Solutions and Their Properties 11.1 Multiple Choice Questions 1) Which of the following mixtures have components which can be separated by filtration? A) colloids B) solutions C) suspensions D) all […]
Chapter 10 3 Forces Which The Following Compounds Exhibits Only
A certain mineral crystallizes in the cubic unit cell shown below. 118) What kind of packing do the anions adopt? A) body-centered cubic B) cubic closest packed (face-centered cubic) C) hexagonal closest packed D) simple cubic Answer: B Diff: 2 […]
Chapter 10 2 Which transition could occur if a solid is heated at a
85) Which transition could occur if a solid is heated at a pressure below the triple point pressure? A) condensation B) deposition C) melting D) sublimation Answer: D Diff: 2 Topic: Section 10.11 Phase Diagrams 86) Which transition could occur […]
Chapter 10 1 The bonds in the polyatomic ion CO32– are classified as
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 10 Liquids, Solids, and Phase Changes 10.1 Multiple Choice Questions 1) The bonds in the polyatomic ion CO32– are classified as A) ionic. B) metallic. C) nonpolar covalent. D) polar covalent. […]
Chapter 9 3 two of which contain different gases and one
114) Three bulbs, two of which contain different gases and one of which is empty, are connected as shown in drawing (a). Which drawing (b) – (d) best represents the system after the stopcocks are opened and the system is […]
Chapter 9 2 Which statement about real gases is true
80) If CO2 and NH3 are allowed to effuse through a porous membrane under identical conditions, the rate of effusion for NH3 will be ________ times that of CO2. A) 0.39 B) 0.62 C) 1.6 D) 2.6 Answer: C Diff: […]
Chapter 9 1 Which Cylinder Contains The Largest Mass of Oxy gen a
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 9 Gases: Their Properties and Behavior 9.1 Multiple Choice Questions 1) Carbon dioxide is a gas which causes environmental concern because of the greenhouse effect. What is the approximate percentage (by […]
Chapter 8 3 The following drawing is a representation of a reaction of the type
35 105) What are the signs of ΔH and ΔS for the reaction represented in the above drawing? A) ΔH = +, ΔS = + B) ΔH = +, ΔS = – C) ΔH = –, ΔS = + D) […]
Chapter 8 2 When The Stopcock Opened Some The Enters
65) Given that ΔH°= -311 kJ for the hydrogenation of acetylene, C2H2: H–CC–H(g) + 2 H2(g) → CH3–CH3(g) and the following bond dissociation energies, estimate a value for the C-to-C triple bond dissociation energy. A) 1050 kJ/mol B) 833 kJ/mol […]
Chapter 8 1 In which case is the work done on the system always positive
General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 8 Thermochemistry: Chemical Energy 8.1 Multiple Choice Questions 1) At 298 K the average kinetic energy is the same for H2, He, and N2. The gas with the highest average velocity […]
Chapter 7 3 Based on the positions in the periodic table of elements
Assume that the conductivity of a solution depends only on the total concentration of dissolved ions and that you measure the conductivity of three different solutions while performing titrations in which: I. 50.00 mL of 0.100 M aqueous CH3CO2H is […]
Chapter 7 2 Determine the number of water molecules necessary to balance
81) What are the coefficients in front of Fe(s) and O3(g) when the following equation is balanced in a basic solution: ___ Fe(s) + ___ O3(g) → ___ Fe2O3(s) + ___ O2(g)? A) 2, 2 B) 2, 3 C) 3, […]
Chapter 7 1 Which pair of compounds is insoluble in water
1 General Chemistry: Atoms First, 2e (McMurry and Fay) Chapter 7 Reactions in Aqueous Solutions 7.1 Multiple Choice Questions 1) The reaction HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(l) is best classified as a(n) A) acid-base neutralization reaction. B) oxidation-reduction […]