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Introduction to General, Organic & Biological Chemistry, 12e (Timberlake) Chapter 1 Chemistry in Our Lives 1.1 Multiple-Choice Questions 1) Water, H2O, is an example of a(n) ________. A) chemical B) solid C) wave D) electric charge E) element Answer: A Page Ref: 1.1 Learning Obj.: 1.1 Global Outcomes: G7 Demonstrate the ability to make connections between concepts across chemistry. 2) In this list, which substance can be classified as a chemical? A) salt B) sleep C) cold D) hea...

Chapter 1: Chemistry: The Study of Change Chapter 1: Chemistry: The Study of Change 1. A tentative explanation for a set of observations that can be tested by further experimentation is referred to as A) a hypothesis. B) a law. C) a theory. D) none of the above. Ans: A Category: Easy Section: 1.3 2. A concise verbal or mathematical statement of a relationship between phenomena that is always the same under the same conditions is referred to as A) a hypothesis. B) a law. C) a theory. D) n...

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 specific ratio between components. C) two or more atoms chemically joined together. D) heterogeneous mixtures. E) homogeneous mixtures. Answer: C Diff: 1 Page Ref: 1.1 2) Give the composition of water. A) two hydrogen atoms and two oxygen atoms ...

Chemistry: The Central Science, 13e (Brown et al.) Chapter 2 Atoms, Molecules, and Ions 2.1 Multiple-Choice Questions 1) A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of . A) the law of multiple proportions B) the law of constant composition C) the law of conservation of mass D) the law of conservation of energy E) none of the above Answer: B Diff: 2 Var: 1 Page Ref: Sec. 2.1 LO: 2.1 GO: G2 2) Which one of the following is not one of t...

CHAPTER 1—COVALENT BONDING AND SHAPES OF MOLECULES MULTIPLE CHOICE 1. How many electrons can the shell with a principal quantum number of 1 hold? a. 1 b. 2 c. 4 d. 8 ANS: B 2. How many electrons can the shell with a principal quantum number of 2 hold? a. 1 b. 2 c. 4 d. 8 ANS: D 3. What is the ground-state electronic configuration of a nitrogen atom (nitrogen: atomic number 7)? a. 1s22s12p4 b. 1s22s22p3 c. 1s12s12p5 d. 1s22s22p2 ANS: B 4. What is the ground-state electronic ...

Chapter 1: Structure Determines Properties Chapter 1: Structure Determines Properties 1. What is the ground state electron configuration of carbon? A) 1s22s22px1 B) 1s22s22px2 C) 1s22s22px12py1 D) 1s22s22px22py1 Ans: C 2. Which of the following has (have) the same electron configuration as Ne? Na- Mg2+ O2- Mg+ A) Na- and O2- B) Mg2+ and O2- C) Mg+ and O2- D) only Mg2+ Ans: B 3. What is the letter designation given to dumbbell shaped orbitals like the one depicted below? A) s B) p C) d...

Chapter 3 Topic: Introduction to Bronsted-Lowry Acids and Bases Section 3.1 Difficulty Level: Easy 1. Is the indicated compound acting an acid or a base in the following reaction? O + O OH O + A. Acid B. Base C. Neither Ans: B Topic: Introduction to Bronsted-Lowry Acids and Bases Section 3.1 Difficulty Level: Easy 2. Is the indicated compound acting an acid or a base in the following reaction? H2SO4 + O HSO4 + O H A. Acid B. Base C. Neither Ans: A Topic: Introduction to B...

Organic Chemistry, 8e (Wade) Chapter 1 Introduction and Review 1) While you were up late one night studying organic chemistry, you happened to see the last 5 minutes of an infomercial on TV. The spokesperson claimed that their brand of automobile tires were superior to all other brands on the market because they were made by using only natural rubber, isolated from the resin of rubber trees. How could a chemist test her claims that no petroleum products went into the manufacture of her bra...

Chapter 1—Exploring the World of Business and Economics ESSAY 1. In your own words, describe what you “bring to the table” as a potential employee of a company that you desire to work for. ANS: Answer not provided. PTS: 1 REF: p. 5-7 OBJ: 1-1 NAT: AACSB: Communication TOP: Your Future in the Changing World of Business 2. How can online networking improve your chances of success in the business world? ANS: Answer not provided. PTS: 1 REF: p. 6 OBJ: 1-1 NAT: AACSB: Communication ...

An Introduction to General, Organic, and Biological Chemistry, 11e (Timberlake) Chapter 1 Chemistry and Measurement 1.1 Multiple-Choice Questions 1) Water, H2O, is an example of a(n) ________. A) chemical B) solid C) wave D) electric charge E) element Answer: A Page Ref: 1.1 2) In this list, which substance can be classified as a chemical? A) salt B) sleep C) cold D) heat E) temperature Answer: A Page Ref: 1.1 3) One example of a chemical used in toothpaste is ________. A) ch...

Chapter 1--Basic Concepts of Chemistry copy 1. A hypothesis is a A. mathematical formula that models a pattern of behavior. B. concise statement of a behavior that is always the same under the same conditions. C. set of experiments designed to test a theory. D. well-tested, unifying principle that explains a body of facts. E. tentative explanation or prediction based upon experimental observations. 2. A theory is a A. concise statement of a behavior that is always the same under the same...

Chapter 1: Chemistry: The Science of Change 1. What is a unifying principle that explains a body of experimental observations? A) Law B) Hypothesis C) Theory D) Phenomena E) Prediction Ans: C Difficulty: Easy 2. What is defined as a tentative explanation for observations that are made that result in the formulation of this concept? A) Law B) Hypothesis C) Theory D) Phenomena E) Prediction Ans: B Difficulty: Easy 3. What is term used for findings that are summarized based on a pattern or ...

Chemistry for Changing Times, 13e (Hill) Chapter 1 Chemistry 1.1 Multiple Choice Questions 1) Which science is primarily concerned with the study of matter and the changes it undergoes? A) biology B) chemistry C) geology D) physics Answer: B Diff: 1 Page Ref: Sec. 1.1 LO: 1.1 2) What is natural philosophy? A) a belief in natural foods B) an experimental approach to philosophy C) an experimental approach to the study of nature D) theoretical speculation about nature Answer: D Dif...

Chapter 01 - The Air We Breathe Multiple Choice Questions 1. Of five major gaseous components of air, which is the only one to vary significantly in concentration from place to place and from day to day? A. water vapor B. carbon dioxide C. nitrogen D. argon 2. Which two gases make up more than 95% of an inhaled breath? A. NO2 and N2 B. CO2 and O2 C. O2 and N2 D. N2 and Ar 3. What is the primary component of an exhaled breath? A. N2 B. O2 C. CO2 D. H2O

Test Bank Chapter 1 Laboratory Basics 1. Reverse osmosis (RO) is described as a process: A. In which water is forced through a semipermeable membrane that acts as a molecular filter. B. Used to purify liquid chemicals. C. In which water forced through a carbon filter eliminates organic solvents. D. In which salt in water moves through filter paper. 2. Activated carbon filters remove: A. Ions from water. B. Organic compounds from water. C. Acids and bases from water. D. Large particul...

Essential Organic Chemistry, 3e (Bruice) Chapter 3 An Introduction to Organic Compounds 1) Which of the following is a tertiary amine? A) B) C) D) E) Answer: E Diff: 1 Section: 3-1 Objective: G2, G3 LO: 3.2

Fundamentals of General, Organic, and Biological Chemistry, 7e (McMurry) Chapter 1 Matter and Measurements 1) Which of the following is a chemical property? A) melting point B) mass C) flammability D) volume E) temperature Answer: C Diff: 1 Section: 1.1 2) All of the following are examples of matter except A) heat. B) air. C) water. D) salt. E) plants. Answer: A Diff: 1 Section: 1.1 3) Which of the following is a physical property? A) flammability B) conductivity C) abilit...

Chapter 2: The Structure of the Atom and the Periodic Table 1. What are the three primary particles found in an atom? A) neutron, positron, and electron B) electron, neutron, and proton C) electron, proton, and nucleon D) positron, electron, and nucleon E) proton, electron, and neutrino Ans: B 2. What is the value of the mass number in the isotope 131 53I? A) 53 B) 78 C) 126.9 D) 131 E) 184 Ans: D 3. What term is used to describe atoms of the same element that have different mass...

General, Organic, and Biochemistry, 2e (Frost) Chapter 1 Chemistry Basics— Matter and Measurement 1.1 Multiple-Choice 1) Which of the following is an example of a heterogeneous mixture? A) Sugar water B) Blood C) Air D) Vodka Answer: B Diff: 1 Section: 1-1 2) Which of the following is a pure substance? A) Sugar B) Sand C) Gold D) Maple syrup Answer: C Diff: 1 Section: 1-1 3) All the different kinds of substances that make up all of the material of the universe are known col...

General, Organic, and Biological Chemistry, 4e (Timberlake) Chapter 2 Energy and Matter 2.1 Multiple-Choice Questions 1) An example of kinetic energy is A) a coiled spring. B) running water. C) a tree. D) natural gas. E) chemical energy. Answer: B Objective: 2.1 Global Outcomes: GO7 2) The energy associated with the motion of particles in a substance is called A) temperature. B) electrical energy. C) heat. D) chemical energy. E) potential energy. Answer: C Objective: 2.1 Glob...