Chemistry: The Central Science 15th Edition, (2025)
By Brown, Lemay, Bursten, Murphy, Woodward & Stoltzfus
All Chapter 1-24| Latest Version| Verified Answers| Rated A+
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,Chapter 1. Introduction: Matter, Energy, And Measurement -------------------------------------------- 3
Chapter 2. Atoms, Molecules, And Ions ---------------------------------------------------------------------- 71
Chapter 3. Chemical Reactions And Reaction Stoichiometry ----------------------------------------- 134
Chapter 4. Reactions In Aqueous Solution ----------------------------------------------------------------- 188
Chapter 5. Thermochemistry ---------------------------------------------------------------------------------- 239
Chapter 6. Electronic Structure Of Atoms ------------------------------------------------------------------ 288
Chapter 7. Periodic Properties Of The Elements --------------------------------------------------------- 338
Chapter 8. Basic Concepts Of Chemical Bonding --------------------------------------------------------- 382
Chapter 9. Molecular Geometry And Bonding Theories------------------------------------------------ 422
Chapter 10. Gases ------------------------------------------------------------------------------------------------ 470
Chapter 11. Liquids And Intermolecular Forces ---------------------------------------------------------- 523
Chapter 12. Solids And Modern Materials ----------------------------------------------------------------- 558
Chapter 13. Properties Of Solutions ------------------------------------------------------------------------- 577
Chapter 14. Chemical Kinetics -------------------------------------------------------------------------------- 622
Chapter 15. Chemical Equilibrium --------------------------------------------------------------------------- 662
Chapter 16. Acid-Base Equilibria ----------------------------------------------------------------------------- 695
Chapter 17. Aqueous Equilibria: Buffers, Titrations, And Solubility --------------------------------- 734
Chapter 18. Chemistry Of The Environment --------------------------------------------------------------- 768
Chapter 19. Chemical Thermodynamics -------------------------------------------------------------------- 800
Chapter 20. Electrochemistry --------------------------------------------------------------------------------- 839
Chapter 21. Nuclear Chemistry ------------------------------------------------------------------------------- 871
Chapter 22. Chemistry Of The Nonmetals ----------------------------------------------------------------- 915
Chapter 23. Transition Metals And Coordination Chemistry------------------------------------------ 959
Chapter 24. The Chemistry Of Life: Organic And Biological Chemistry ----------------------------- 993
,Chapter 1. Introduction: Matter, Energy, And Measurement
Theodore E. Brown: Chemistry: The Central Science 15th Edition, Test Bank
1.1 Multiple-Choice Questions
1) What Is The Physical State In Which Matter Has No Specific Shape But Does Have A
Specific Volume?
A) Gas
B) Solid
C) Liquid
D) Salts
E) Ice
ANSWER: C
Liquids Have A Definite Volume But Take The Shape Of Their Container. Solids Have
Both Definite Shape And Volume, While Gases Have Neither. Therefore, The Correct
State Is Liquid.
Diff: 1 Page Ref: Sec. 1.2
2) The Law Of Constant Composition Applies To ___.
A) Solutions
B) Heterogeneous Mixtures
C) Compounds
D) Homogeneous Mixtures
E) Solids
ANSWER: C
The Law Of Constant Composition (Or Definite Proportions) States That A Given
Compound Always Contains Its Component Elements In Fixed Proportions By Mass.
This Law Applies Only To Compounds, Not Mixtures, Since Mixtures Can Have
Variable Compositions.
, Diff: 1 Page Ref: Sec. 1.2
3) A Combination Of Sand, Salt, And Water Is An Example Of A ___.
A) Homogeneous Mixture
B) Heterogeneous Mixture
C) Compound
D) Pure Substance
E) Solid
ANSWER: B
A Heterogeneous Mixture Consists Of Visibly Different Substances Or Phases. In A
Mixture Of Sand, Salt, And Water, The Components Can Be Seen Separately (Sand
Settles, Salt Dissolves), Making It Heterogeneous.
Diff: 1 Page Ref: Sec. 1.2
4) A Small Amount Of Salt Dissolved In Water Is An Example Of A ___.
A) Homogeneous Mixture
B) Heterogeneous Mixture
C) Compound
D) Pure Substance
E) Solid
ANSWER: A
When Salt Dissolves Completely In Water, The Resulting Solution Has A Uniform
Composition Throughout, Meaning It Is A Homogeneous Mixture (Also Called A
Solution).
Diff: 1 Page Ref: Sec. 1.2
5) Which One Of The Following Has The Element Name And Symbol Correctly
Matched?
A) P, Potassium