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Chapter 1 1 Which of the following represents a valid hypothesis
Chemistry: A Molecular Approach, 3e (Tro) Chapter 1 Matter, Measurement, and Problem Solving Multiple Choice Questions 1) Molecules can be described as A) mixtures of two or more pure substances. B) mixtures of two or more elements that has a […]
Chapter 1 2 what is the temperature in degrees celsius
26) The factor 10-3 corresponds to which prefix? A) deka B) deci C) milli D) centi Answer: C Diff: 1 Page Ref: 1.6 27) What decimal power does the abbreviation f represent? A) 1 × 106 B) 1 × 103 […]
Chapter 10 1 Give the approximate bond angle for a molecule with an octahedral
1 Chemistry: A Molecular Approach, 3e (Tro) Chapter 10 Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory Multiple Choice Questions 1) Give the approximate bond angle for a molecule with an octahedral shape. A) 109.5° B) […]
Chapter 10 2 Give the approximate bond angle for a molecule with a tetrahedral
17 59) Draw the molecular orbital diagram shown to determine which of the following is paramagnetic. A) O22⁻ B) Ne22⁺ C) O22⁺ D) F22⁺ E) None of the above are paramagnetic. 60) Draw the molecular orbital diagram shown to determine […]
Chapter 11 1 the ability of a liquid to flow against gravity up a narrow tube
Chemistry: A Molecular Approach, 3e (Tro) Chapter 11 Liquids, Solids, and Intermolecular Forces Multiple Choice Questions 1) Identify the characteristics of a liquid. A) indefinite shape and volume B) indefinite shape, but definite volume C) definite shape and volume D) […]
Chapter 11 2 Which of the following compounds exhibits only dipole-dipole
6) Which of the following compounds exhibits only dipole-dipole intermolecular interactions? A) Br2 B) CH3Br C) CBr4 D) BrCH2CH2OH Answer: B Diff: 3 Page Ref: 11.3 7) The normal boiling point for H2Se is higher than the normal boiling point […]
Chapter 12 1 Give the major force between acetone and chloroform
Chemistry: A Molecular Approach, 3e (Tro) Chapter 12 Solutions Multiple Choice Questions 1) Choose the statement below that is TRUE. A) A solution will form between two substances if the solute-solvent interactions are of comparable strength to the solute-solute and […]
Chapter 12 2 The Henry’s law constant for oxygen in water at 25°C
15) Determine the partial pressure of oxygen necessary to form an aqueous solution that is 6.5 × 10-4 M O2 at 25°C. The Henry’s law constant for oxygen in water at 25°C is 1.3 × 10-3 M/atm. A) 1.2 atm […]
Chapter 13 1 The Rate Second Order Reactions Dependent Concentration d
Chemistry: A Molecular Approach, 3e (Tro) Chapter 13 Chemical Kinetics Multiple Choice Questions 1) Identify the methods used to monitor a reaction as it occurs in the reaction flask. A) polarimeter B) spectrometer C) pressure measurement D) none of the […]
Chapter 13 2 how does the rate of reaction change if the concentration
5) Given the following balanced equation, determine the rate of reaction with respect to [H2]. N2(g) + 3 H2(g) → 2 NH3(g) A) Rate = + B) Rate = – C) Rate = + D) Rate = – E) It […]
Chapter 14 1 Consider the following reaction, equilibrium concentrations, and equilibrium
Chemistry: A Molecular Approach, 3e (Tro) Chapter 14 Chemical Equilibrium Multiple Choice Questions 1) Which of the following statements is FALSE? A) When K >> 1, the forward reaction is favored and essentially goes to completion. B) When K << […]
Chapter 14 2 What effect will reducing the volume have on the system
66) Consider the following reaction at equilibrium. What effect will reducing the volume have on the system? C3H8(g) + 5 O2(g) ⇌ 3 CO2(g) + 4 H2O(l) ΔH° = -2220 kJ A) The reaction will shift to the right in […]
Chapter 15 1 Which of the following species is amphoteric
Chemistry: A Molecular Approach, 3e (Tro) Chapter 15 Acids and Bases Multiple Choice Questions 1) ________ is found in carbonated beverages due to the reaction of carbon dioxide with water. A) CH3COOH B) H2CO3 C) HCOOH D) C6H5COOH E) CH3CH2COOH […]
Chapter 15 2 How many of the following are WEAK acids
16) How many of the following are WEAK acids? HNO2 HF HNO3 H2PO4⁻ A) 0 B) 1 C) 3 D) 4 E) 2 Answer: C Diff: 1 Page Ref: 15.4 17) Identify the food that is NOT acidic. A) beer […]
Chapter 16 1 Animals will lick up ethylene glycol (antifreeze) due to
Chemistry: A Molecular Approach, 3e (Tro) Chapter 16 Aqueous Ionic Equilibrium Multiple Choice Questions 1) Animals will lick up ethylene glycol (antifreeze) due to its sweet taste. The antidote for ethylene glycol poisioning is the administration of ________. A) ethyl […]
Chapter 16 2 Calculate the percent ionization of nitrous acid in
9) Calculate the percent ionization of nitrous acid in a solution that is 0.249 M in nitrous acid. The acid dissociation constant of nitrous acid is 4.50 × 10-4. A) 1.12 × 10-4 B) 0.0450 C) 4.25 D) 0.342 E) […]
Chapter 17 1 a thermodynamic function that increases with the number
Chemistry: A Molecular Approach, 3e (Tro) Chapter 17 Free Energy and Thermodynamics Multiple Choice Questions 1) Which of the following statements is TRUE? A) There is a “heat tax” for every energy transaction. B) A spontaneous reaction is always a […]
Chapter 17 2 Which of the following processes shows a decrease in entropy
61) Determine the equilibrium constant for the following reaction at 298 K. SO3(g) + H2O(g) → H2SO4(l) ΔG° = -90.5 kJ A) 1.37 × 10-16 B) 4.78 × 1011 C) 9.11 × 10-8 D) 7.31 × 1015 E) 0.964 Answer: […]
Chapter 18 1 What element is being oxidized in the following redox reaction
Chemistry: A Molecular Approach, 3e (Tro) Chapter 18 Electrochemistry Multiple Choice Questions 1) What element is being reduced in the following redox reaction? MnO4⁻(aq) + H2C2O4(aq) → Mn2+(aq) + CO2(g) A) C B) O C) Mn D) H Answer: C […]
Chapter 18 2 How many grams of nickel metal are plated out when a constant
5) Balance the following redox reaction if it occurs in basic solution. What are the coefficients in front of Cr and Cl2 in the balanced reaction? Cr(s) + Cl2(g) → Cr3+(aq) + Cl–(aq) A) Cr = 2, Cl2 = 3 […]
Chapter 19 1 Pet Scan How Long Will Take For
Chemistry: A Molecular Approach, 3e (Tro) Chapter 19 Radioactivity and Nuclear Chemistry Multiple Choice Questions 1) Identify the scientist(s) that were awarded the Nobel Prize in physics for the discovery of radioactivity in 1903. A) Johannes Geiger, Marie Curie B) […]
Chapter 19 2 Identify the radioactive green light that glows in the dark
60) Define transmutation. A) the transformation of one element into another B) the loss of neutrons from an atom C) the loss of electrons from an atom D) the loss of protons from an atom E) the gain of neutrons […]
Chapter 2 1 In a chemical reaction, matter is neither
Chemistry: A Molecular Approach, 3e (Tro) Chapter 2 Atoms and Elements Multiple Choice Questions 1) In a chemical reaction, matter is neither created or destroyed. Which law does this refer to? A) Law of Definite Proportions B) Law of the […]
Chapter 2 2 Which element has the chemical symbol
15 11) Identify a cation. A) An atom that has lost an electron. B) An atom that has gained an electron. C) An atom that has lost a proton and a neutron. D) An atom that has gained a neutron. […]
Chapter 20 1 Give the number of covalent bonds that a carbon
Chemistry: A Molecular Approach, 3e (Tro) Chapter 20 Organic Chemistry Multiple Choice Questions 1) Give the number of covalent bonds that a carbon atom can form. A) 1 B) 2 C) 3 D) 4 E) 5 Answer: D Diff: 1 […]
Chapter 20 2 the following represent the addition polymer formed from the compound
47) Determine the products of the following reaction: A) B) C) D) E) Answer: E Diff: 3 Page Ref: 20.9 48) Give the product of the oxidation of the following compound. A) CH3CH2CHO B) CH3CH2CH2OH C) CH3CH2CH3 D) CH3CH2COOH E) […]
Chapter 21 1 Which of the following is an example of an aldohexose
Chemistry: A Molecular Approach, 3e (Tro) Chapter 21 Biochemistry Multiple Choice Questions 1) Type I diabetes develops when the pancreas does not make enough ________. A) cholesterol B) sucrose C) blood D) insulin E) iron Answer: D Diff: 1 Page […]
Chapter 21 2 What is its complementary sequence
18) Identify fructose. A) B) C) D) E) 15 Answer: A Diff: 1 Page Ref: 21.3 19) Choose the monosaccharide from the compounds below. A) B) C) D) E) 16 Answer: B Diff: 1 Page Ref: 21.3 20) Choose the […]
Chapter 22 1 What is the oxidation number of oxygen in K2O
Chemistry: A Molecular Approach, 3e (Tro) Chapter 22 Chemistry of the Nonmetals Multiple Choice Questions 1) Which of the following statements is TRUE? A) Silicon atoms are too large to form pi bonds between them. B) Silicates are covalent atomic […]
Chapter 23 1 Small Atoms Fit Between The Metal Atoms
Chemistry: A Molecular Approach, 3e (Tro) Chapter 23 Metals and Metallurgy Multiple Choice Questions 1) Which of the following is NOT generally a property of a metal? A) high resistivity B) good conductor of heat C) malleable D) ductile E) […]
Chapter 24 1 the d-orbitals split with a large energy difference
Chemistry: A Molecular Approach, 3e (Tro) Chapter 24 Transition Metals and Coordination Compounds Multiple Choice Questions 1) Identify the ion that is responsible for the red color of rubies. A) Cr3+ B) Cr4+ C) Cr5+ D) Cr6+ E) Cr7+ Answer: […]
Chapter 3 1 Give the formula for calcium hydrogen sulfate
Chemistry: A Molecular Approach, 3e (Tro) Chapter 3 Molecules, Compounds, and Chemical Equations Multiple Choice Questions 1) An ionic bond is best described as A) the sharing of electrons. B) the transfer of electrons from one atom to another. C) […]
Chapter 3 2 all elements tend to form cations in binary ionic compounds
23) In which set do all elements tend to form cations in binary ionic compounds? A) K, Ga, O B) Sr, Ni, Hg C) N, P, Bi D) O, Br, I Answer: B Diff: 3 Page Ref: 3.5 24) What […]
Chapter 4 1 Global warming is thought to be caused by the increase of
Chemistry: A Molecular Approach, 3e (Tro) Chapter 4 Chemical Quantities and Aqueous Reactions Multiple Choice Questions 1) Global warming is thought to be caused by the increase of one particular gas. Name the gas. A) oxygen B) carbon monoxide C) […]
Chapter 4 2 Calcium oxide reacts with water in a combination reaction to
21) If the density of ethanol, C2H5OH, is 0.789 g/mL. How many milliliters of ethanol are needed to produce 15.0 g of CO2 according to the following chemical equation? C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l) A) […]
Chapter 4 3 What is the molarity of a potassium triiodide solution
36 91) What is the molarity of a potassium triiodide solution, KI3(aq), if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.200 M thiosulfate solution, K2S2O3(aq)? The chemical equation for the reaction is […]
Chapter 5 1 An instrument used to atmospheric pressure is called
Chemistry: A Molecular Approach, 3e (Tro) Chapter 5 Gases Multiple Choice Questions 1) An instrument used to atmospheric pressure is called a A) barometer B) manometer C) sphygmomanometer D) spectrophotometer E) spectrometer Answer: A Diff: 1 Page Ref: 5.2 2) […]
Chapter 5 2 What is the final pressure if the temperature is changed
36) Give the temperature and pressure at STP. A) 0°C and 1.00 atm B) 0K and 1.00 atm C) 25°C and 1.00 in Hg D) 32K and 1 torr Hg E) 0°C and 1 mm Hg Answer: A Diff: 1 […]
Chapter 6 1 Energy that is associated with the position
Chemistry: A Molecular Approach, 3e (Tro) Chapter 6 Thermochemistry Multiple Choice Questions 1) Energy that is associated with the position or composition of an object is called A) kinetic energy B) thermal energy C) potential energy D) chemical energy Answer: […]
Chapter 6 2 Which of the following is the major contributor
58) Which of the following is the major contributor to energy consumption? A) residential B) commercial C) transportation D) industrial E) atmospheric Answer: D Diff: 1 Page Ref: 6.10 Algorithmic Questions 1) For a process at constant pressure, 49,600 calories […]
Chapter 7 1 Which of the following visible colors of light has the longest
Chemistry: A Molecular Approach, 3e (Tro) Chapter 7 The Quantum-Mechanical Model of the Atom Multiple Choice Questions 1) The vertical height of a wave is called A) wavelength B) amplitude C) frequency D) area E) median Answer: B Diff: 1 […]
Chapter 7 2 What is the maximum number of p orbitals that are possible
65) What is the maximum number of p orbitals that are possible? A) 1 B) 3 C) 7 D) 5 E) 9 Answer: B Diff: 1 Page Ref: 7.6 66) What is the maximum number of d orbitals that are […]
Chapter 8 1 No two electrons can have the same four quantum
Chemistry: A Molecular Approach, 3e (Tro) Chapter 8 Periodic Properties of the Elements Multiple Choice Questions 1) No two electrons can have the same four quantum numbers is known as the A) Pauli exclusion principle B) Hund’s rule C) Aufbau […]
Chapter 8 2 Which Ionization Process Requires The Most Energy a
6) Give the electron configuration for O. A) 1s22s22p4 B) 1s22p4 C) 1s22s22p3 D) 1s22s22p5 E) 1s22s12p1 Answer: A Diff: 2 Page Ref: 8.3 7) The element that corresponds to the electron configuration 1s22s22p6 is ________. A) sodium B) magnesium […]
Chapter 9 1 The nitrite ion contains two N—O bonds that are equivalent
Chemistry: A Molecular Approach, 3e (Tro) Chapter 9 Chemical Bonding I: Lewis Theory Multiple Choice Questions 1) Which of the following statements is TRUE? A) A covalent bond is formed through the transfer of electrons from one atom to another. […]
Chapter 9 2 Draw the Lewis structure for CO32- including any valid
55) Draw the Lewis structure for CO32- including any valid resonance structures. Which of the following statements is TRUE? A) The CO32- ion contains one C—O single bond and two C=O double bonds. B) The CO32- ion contains two C—O […]
Chapter 9 3 Choose the compound below that should have the highest
19) Choose the compound below that should have the highest melting point according to the ionic bonding model. A) SrI2 B) MgF2 C) CaCl2 D) SrF2 E) SrBr2 Answer: B Diff: 2 Page Ref: 9.4 20) Choose the compound below […]