General Chemistry: The Essential Concepts (7th Edition, Raymond Chang) – Complete Test Bank with Verified Questions and Rationales (Chapters 1–22)

Test Bank for General Chemistry The Essential Concept, 7th
Edition
by Raymond Chang
All Chapters (1-22) Verified Q & A With rationales
ISBN-13. 978-0073402758




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, TABLE OF COTENTS
Chapter 01: Introduction ..................................................................................................... 3
Chapter 02: Atoms Molecules and Ions .............................................................................. 27
Chapter 03: Stoichiometry ................................................................................................. 45
Chapter 04: Reactions in Aqueous Solution ....................................................................... 72
Chapter 05: Gases............................................................................................................... 97
Chapter 06: Energy Relationships in Chemical Reactions ............................................... 117
Chapter 07: The Electronic Structure of Atoms ............................................................... 138
Chapter 08: The Periodic Table........................................................................................ 159
Chapter 09: Chemical Bonding I: The Covalent Bond....................................................... 176
Chapter 10: Chemical Bonding II: Molecular Geometry and Hybridization of Atomic
Orbitals ............................................................................................................................ 194
Chapter 11: Introduction to Organic Chemistry .............................................................. 218
Chapter 12: Intermolecular Forces and Liquids and Solids ............................................. 228
Chapter 13: Physical Properties of Solutions................................................................... 250
Chapter 14: Chemical Kinetics ......................................................................................... 268
Chapter 15: Chemical Equilibrium ................................................................................... 294
Chapter 16: Acids and Bases ............................................................................................ 316
Chapter 17: Acid-Base Equilibria and Solubility Equilibria ................................................... 340
Chapter 18: Thermodynamics ......................................................................................... 356
Chapter 19: Redox Reactions and Electrochemistry ........................................................ 378
Chapter 20: The Chemistry of Coordination Compounds ................................................ 401
Chapter 21: Nuclear Chemistry ........................................................................................ 415
Chapter 22: Organic Polymers—Synthetic and Natural ................................................... 432




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,Chapter 01: Introduction
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.
CORRECT ANSWER: A Category: Easy Section: 1.2


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) none of the above.
CORRECT ANSWER: B Category: Easy Section: 1.2


3. A unifying principle that explains a body of facts and relations is referred to as
A) a hypothesis. B) a law. C) a theory. D) none of the above.
CORRECT ANSWER: C Category: Easy Section: 1.2


4. Complete the following sentence. A hypothesis is
A) a tentative explanation for a set of observations that can be tested by further
experimentation.
B) a statement describing a relationship between phenomena that is always the same
under the same conditions.
C) a unifying principle that explains a body of facts and relations.
D) a model used to visualize the invisible.
CORRECT ANSWER: A Category: Easy Section: 1.2


5. Complete the following sentence. A scientific law is
A) a tentative explanation for a set of observations that can be tested by further
experimentation.
B) a statement describing a relationship between phenomena that is always the same
under the same conditions.
C) a unifying principle that explains a body of facts and relations.
D) a model used to visualize the invisible.
CORRECT ANSWER: B Category: Easy Section: 1.2


6. Complete the following sentence. A theory is


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, A) a tentative explanation for a set of observations that can be tested by further
experimentation.
B) a statement describing a relationship between phenomena that is always the same
under the same conditions.
C) a unifying principle that explains a body of facts and relations.
D) a model used to visualize the invisible.
CORRECT ANSWER: C Category: Easy Section: 1.2


7. Choose the response that includes all the items listed below that are pure substances.
i. orange juice ii. steam iii. ocean water iv. oxygen v. vegetable soup
A) i, iii, v B) ii, iv C) i, iii, iv D) iv only E) all of them are pure
CORRECT ANSWER: B Category: Easy Section: 1.2


8. Which of the following is an example of a physical property?
A) corrosiveness of sulfuric acid
B) toxicity of cyanide
C) flammability of gasoline
D) neutralization of stomach acid with an antacid
E) lead becomes a liquid when heated to C
CORRECT ANSWER: E Category: Easy Section: 1.4
9. Which one of the following is an example of a physical property?
A) dynamite explodes D) ice floats on top of liquid water
B) meat rots if it is not refrigerated E) a silver platter tarnishes
C) gasoline burns
CORRECT ANSWER: D Category: Easy Section: 1.4


10. Which one of the following represents a physical change?
A) water, when heated to C, forms steam
B) bleach turns hair yellow
C) sugar, when heated, becomes brown
D) milk turns sour
E) apples, when exposed to air, turn brown



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