Unit 34 p4 Study guides, Revision notes & Summaries

Name Clas Dat : s: e: CHAPTER 1: BASIC CONCEPTS ABOUT MATTER 1. Which of the following is a property of both gases and liquids? a. c. Definite shape Definite volume b. Indefinite shape d. Indefinite volume ANSWER: 2. In which of the following pairs of properties are both properties chemical properties? a. Freezes at 10°C and is nonflammable b. Decomposes at 500°C and reacts with bromine c. Poor conductor of heat and is reddish brown in color d. Has a low density and is very hard ...

1. An LP problem with a feasible region will have a. an optimal solution at some interior point. b. an optimal solution at some extreme point. c. an optimal solution only at the origin. d. an optimal solution at two interior points. ANSWER: b 2. Microsoft Excel contains a built-in optimizer called a. what-if engines. b. calculators. c. solvers. d. risk analyzers. ANSWER: c 3. Which type of spreadsheet cell represents the objective function in an LP model? a. Objective cell...

Chapter 3—Applications of Demand and Supply MULTIPLE CHOICE 1. A change in consumer tastes for low-carb food and a decrease in their preferences for low-fat meals does not lead to which of the following? a. An inward shift of the demand curve for low-fat meals b. An outward shift of the demand curve for low-carb food c. An increase in the amount of resources used to produce low-carb food d. A decrease in the amount of resources used to produce low-fat meals e. A reduction in t...

Chapter 03 - Stoichiometry 1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. e. 35 protons, 79 neutrons, and 35 electrons. ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: b 1 easy 3.1 atomic theory of matter | early atomic theory | general chemistry | isoto...

Chapter 03 - Stoichiometry 1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. e. 35 protons, 79 neutrons, and 35 electrons. ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: b 1 easy 3.1 atomic theory of matter | early atomic theory | general chemistry | is...

NETA Assessment: Test Bank to accompany Chemistry: Human Activity, Chemical Reactivity, Second International Edition By Peter G. Mahaffy, Robert Bucat, Roy Tasker, John C. Kotz, Paul M. Treichel, Gabriela C. Weaver, John McMurry Test Bank prepared by Brett McCollum, Mount Royal University Text ISBN: 0176660887 NETA copy editor: Kelli Howey For more information contact Nelson, 1120 Birchmount Road, Toronto, Ontario M1K 5G4. Or you can visit our Internet site at . ALL RIGHTS RESERVED. No part...

Chapter 1—Living in a World of Chemistry MULTIPLE CHOICE 1. Which activity comes first in the scientific method? a. conclusion b. hypothesis c. experimentation d. observation ANS: D 2. Which is considered a physical science? a. physics b. biology c. zoology d. botany ANS: A 3. A scientist is trying to make a new insecticide that will be more toxic to flies, but less toxic to humans than insecticides now available. The scientist is engaged in a. basic research. b. applied research. ...

1. The molecular formula of a particular solid is C8H4O6. Its molecular mass is a. 288 amu. b. 100 amu. c. 296 amu. d. 196 amu. e. 170 amu. ANSWER: d POINTS: 1 DIFFICULTY: easy REFERENCES: 3.1 LEARNING OBJECTIVES: GENE.EBBI.13.67 - Calculate the formula mass from a formula. (Example 3.1) TOPICS: mass and moles of substance stoichiometry KEYWORDS: molecular mass OTHER: general chemistry 2. The hydrocarbon octane has the structural formula CH3(CH2)...

Systems Analysis and Design in a Changing World, 7e Salzinger TB TestBank Systems Analysis and Design in a Changing World, 7e Salzinger TBChapter 01: From Beginning to End: An Overview of Systems Analysis and Design Cengage Learning Testing, Powered by Cognero Page 1 1. An information system often includes the software, the database, and the related manual processes. a. True b. False ANSWER: True POINTS: 1 REFERENCES: p4 2. Systems analysis is sometimes referred to as “understandin...

Chapter 1 - Chemical Foundations 1. Consider contains: a. b. c. d. e. ANSWER: POINTS: the element indium, atomic number 49, atomic mass 114.8 g. The nucleus of an atom of indium-112 ANSWER: POINTS: 4. The atomic mass of stable isotope? a 1 49 protons, 63 neutrons, 49 electrons. 49 protons, 49 neutrons. 49 protons, 49 alpha particles. 49 protons, 63 neutrons. 49 protons, 112 neutrons. 2. A hypothetical element consists of two isotopes of masses 78.95 amu and 80.95 amu with abundances ...