Study guides, Class notes & Summaries

Chemistry, 8e (Robinson/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. Answer: D Diff: 1 Var: 1 Topic: Section 1.1 The Scientific Method: Nanoparticle Catalysts For Fuel Cells Learning Obj: LO 1.1 Identify the steps in the scientific method. Global Obj: G1 Demonstrate an understanding of the principles of s...

Chapter 01 - Chemical Foundations 1. Which of the following is an example of a quantitative observation? a. The piece of metal is longer than the piece of wood. b. Solution 1 is much darker than solution 2. c. The liquid in beaker A is blue. d. The temperature of the liquid is 60°C. e. At least two of the above (A-D) are quantitative observations. ANSWER:d POINTS:1 DIFFICULTY:Easy REFERENCES:1.2 QUESTION TYPE: Multiple Choice HAS VARIABLES: False KEYWORDS:Chemistry | general chemis...

Chapter 01 Chemistry: The Study of Change Multiple Choice Questions 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. Bloom's Level: 2. Understand Difficulty: Easy Gradable: automatic Section: 01.03 Subtopic: Scientific Method Topic: Study of Chemistry

Chapter 01 1. A hypothesis is a _____. a. concise statement of behavior that is always the same under the same conditions b. set of quantitative data c. tentative explanation or predication based upon experimental observations d. well-tested unifying principle that explains a body of facts e. mathematical formula that models a pattern of behavior ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: True TOPICS: 1.1 Chemistry and Its Methods NOTES: Dynamic Question DATE ...

Chapter 01 Insight into Aluminum 1. What properties of aluminum might cause you concern if you had to use the aluminum tableware that Napoleon employed to impress his guests? ANSWER: Al tableware would be very susceptible to rapid oxidation and would have to be polished frequently. POINTS: 1 DIFFICULTY: Moderate QUESTION TYPE: Subjective Short Answer HAS VARIABLES: False PREFACE NAME: Insight into Al TOPICS: Insight into Aluminum DATE CREATED: 12/23/2013 1:59 PM DATE MODIFIED: 1/18/...

Chapter 01 Test Bank: Portable Electronics: The Periodic Table in the Palm of Your Hand 1. The quantity 0.0000064 g expressed in scientific notation. A. 6.4 × 106 g B. 6.4 × 10¯6 g C. 6.4 × 107 g D. 6.4 × 10¯7 g Accessibility: Keyboard Navigation Bloom's Level: 3. Apply Chapter: 01 Section: 01.08 Subtopic: Scientific Notation Topic: Study of Chemistry Feedback: Negative powers of ten move the decimal to the left. 2. The quantity 8.7 × 105 g expressed in standard decimal no...

Chapter 01 1. Which of these is true of matter? a. It is the pull of gravity on an object. b. It combines to form atoms. c. It is neither created nor destroyed during a chemical reaction. d. It is directly proportional to weight. e. It is the measure of space occupied by an object. ANSWER:c POINTS:1 DIFFICULTY:Easy QUESTION TYPE: Multiple Choice HAS VARIABLES: False TOPICS:The Scientist and the Artist DATE CREATED: 4/3/2014 7:50 AM DATE MODIFIED: 1/24/2018 7:07 AM 2. Which of thes...

An Introduction to General, Organic, and Biological Chemistry, 13e (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) heat ...

Student name:__________ 1) What is a unifying principle that explains a body of experimental observations? A) law B) hypothesis C) theory D) phenomena E) prediction Question Details Bloom's : 2. Understand Difficulty : Easy Subtopic : Scientific Method Topic : Study of Chemistry Chapter : 01 Chemistry: The Science of Change Accessibility : Keyboard Navigation 2) Which of the following is a tentative explanation for a set of observations? A) law B) hypothesis C) theory D) pheno...

Chapter 1: Elements & Compounds Introduction 1. Which of the following correctly describes one of the differences between compounds and mixtures? (a) Compounds contain more than one element but mixtures do not. (b) Compounds have a constant composition but mixtures do not. (c) It is easier to separate the elements in a compound than it is to separate the elements in a mixture. (d) All of these statements are true. (e) None of these statements are true. Answer: (b) 2. Which of the foll...