Chemistry

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...

Chapter 01 - Chemistry: Matter on the Atomic Scale 1. Which of the following would you classify as nano-scale? a. An amoeba (a unicellular animal) b. Grounded coffee c. A water molecule d. A cell membrane e. An ore of gold ANSWER: c POINTS: 1 QUESTION TYPE: Multiple Choice HAS VARIABLES: False DATE CREATED: 3/5/2014 6:46 PM DATE MODIFIED: 1/11/2017 4:38 AM The following information will be used to answer questions 2-6. A) B) C) D) E) 2. Which of the figures above depicts a gaseou...

Chapter 1 Measurements in Chemistry Multiple Choice Questions Topic: History of Chemistry Section: Prologue A-1 Difficulty: Easy 1. According to current theories, what event marks the beginning of time and space? a. Yucatan meteorite b. Formation of our solar system c. The big bang d. The Tunduska event Answer: C Topic: History of Chemistry Section: Prologue A-1 Difficulty: Easy 2. In some camps of thought, the survival and proliferation of the human race is directly related to h...

Chapter 01 - Biochemistry and the Organization of Cells 1. How do the molecules that play a role in living cells compare to those encountered in organic chemistry? a. They are the same, just operating in a different context. b. Biological molecules are organic molecules, but the similarity ends there. c. Biological molecules aren't similar to organic molecules at all. d. Biology isn't based on molecules at all, but a "vital force". ANSWER: POINTS: QUESTION TYPE: HAS VARIABLES: LEAR...

Chapter 1 Biochemistry and the Unity of Life Chapter 1 Biochemistry and the Unity of Life Matching Questions Use the following to answer questions 1–10: Choose the correct answer from the list below. Not all of the answers will be used. a) uracil b) cytoplasm c) protein d) thymine e) carbohydrate f) sugar–phosphate units g) cell wall h) transcription i) glycogen j) lipid k) central dogma l) phagocytosis m) endoplasmic reticulum n) translation o) prokaryotes p) eukaryotes ...

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...