The complete test bank for Chemistry, Openstax ,2e [2025 updated!!]

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CHEMISTRY: ATOMS FIRST 2E 2ND EDITION
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PRINTED PDF | ORIGINAL DIRECTLY FROM THE PUBLISHER | 100%
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VERIFIED ANSWERS | DOWNLOAD IMMEDIATELY AFTER THE ORDER
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,Tableofcontent e e




Chapter 1 Essential Ideas
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Chapter 2 Atoms, Molecules, and Ions
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Chapter 3 Electronic Structure and Periodic Properties of Elements
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Chapter 4 Chemical Bonding and Molecular Geometry
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Chapter 5 Advanced Theories of Bonding
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Chapter 6 Composition of Substances and Solutions
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Chapter 7 Stoichiometry of Chemical Reactions
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Chapter 8 Gases
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Chapter 9 Thermochemistry
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Chapter 10 Liquids and Solids
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Chapter 11 Solutions and Colloids
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Chapter 12 Thermodynamics
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Chapter 13 Fundamental Equilibrium Concepts
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Chapter 14 Acid-Base Equilibria
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Chapter 15 Equilibria of Other Reaction Classes
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Chapter 16 Electrochemistry
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Chapter 17 Kinetics
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Chapter 18 Representative Metals, Metalloids, and Nonmetals
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Chapter 19 Transition Metals and Coordination Chemistry
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Chapter 20 Nuclear Chemistry
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Chapter 21 Organic Chemistry
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OpenStax ChemistryAF Supplemental Test Items
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Chapter 01: Essential Ideas
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Supplemental Test Items to accompany OpenStax Chemistry. Note that not all chapters of OpenStax
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Chemistry have accompanying test items. Building on the community-oriented nature of OpenStax
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resources, we invite you to submit items to be considered for future inclusion.
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Chapter 01: Essential Ideas ee ee ee




1. A 0.150 kg metallic block measures 25.0 mm in length, 43.0 mm in width, and 19 .0 mm in
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height. What is the density of the metallic block in g/cm3? (Outcome # 3) (DOK 2)
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A. 7.34 x 10-6 g/cm3 ee ee ee




B. 7.34 x 10-3 g/cm3 ee ee ee




C. 7.34 g/cm3* ee




2. An object with a mass of 0.255 kg and density of 2.89 g/cm3 measures 34 mm in length and
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46 mm in width. What is the height of the object? (Outcome # 3) (DOK 3)
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A. 5.6 cm* ee




B. 5.6 x 10-2 cm ee ee ee




C. 7.2 x 10-4 cm ee ee ee




3. How would you determine the density of an irregular object? (Outcome # 3) (DOK 3)
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A. It would be impossible to determine the mass of the object without more
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B. D = m/v, so measure the mass of the object using a balance. Then to find volume,
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TESTBANKSELLER.COM measure
width, and length the height,
using an appro priate measuring tool. ee ee ee
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C. D = m/v, so measure the mass of the object using a balance. Then to find volume, fill a
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graduated cylinder with a known amount of water and immerse the object in the
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water. The amount of displaced water is the volume in cm3 or mL.*
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4. What is the base unit for length in the metric system? (Outcome # 6) (DOK 1)
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A. m*
B. km
C. mm
5. What is the base unit for mass in the metric system? (Outcome # 6) (DOK 1)
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A. kg
B. g*
C. mg
6. What is the base unit for volume in the metric system? (Outcome # 6) (DOK 1)
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A. L*
B. mL
C. dL
7. It is important that scientists use units that are understood on a global level. These units are
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referred to as SI units which stands for
ee . (Outcome # 6) (DOK 1)
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A. standard international units ee ee




Page 1 of 8
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OpenStax ChemistryAF Supplemental Test Items
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Chapter 01: Essential Ideas
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B. standard intercontinental units ee ee




C. international system of units* ee ee ee




8. Convert 18.50 ft to the SI unit for length. (Outcome # 6) (DOK 2)
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A. 563.9 cm ee




B. 5.639 m* ee




C. 0.005639 km ee




9. An experimental mouse weighs about 4.41 x 10-2 lbs. What would the weight be in the SI
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unit for mass? (Outcome # 6) (DOK 2)
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A. 20.0 g ee




B. 0.0200 kg* ee




C. 20,003 mg ee




10. Accuracy is defined as how close a measured value comes to a
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1)
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A. core value ee




B. fixed value ee




C. true value* ee




11. Precision is defined as how the measured values are to one another. (Outcome # 6)
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(DOK 1)
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A. common
B. reproducible* TESTBANKSELLER.COM
C. accurate
12. An experiment requires you to make several measurements. Based on the values in the
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table below, what would be the best statement that represents the data set if the
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true value is 0.2135? (Outcome # 11) (DOK 2)
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Trial A Trial B Trial C ee ee ee




0.2139 0.2893 0.2135
0.2130 0.3210 0.2134
0.2133 0.2999 0.3712
0.2135 0.2998 0.3715
A. The measurements in Trial A are accurate and precise, Trial B is neither accurate nor
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precise, and Trial C is accurate however, not precise.
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B. The measurements in Trial A are accurate and precise, Trial B is neither accurate nor
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precise, and Trial C is precise however, not accurate.
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C. The measurements in Trial A are accurate and precise, Trial’s B and C are neither
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accurate nor precise.* ee ee




13. An experiment requires you to make several measurements. Based on the values in the
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table below, what would be the best statement that represents the data set if the
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true value is 2.73? (Outcome # 11) (DOK 2) (Paired item 1)
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Page 2 of 8
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Credit: Modification of assessment items provided by Lumen Learning, with generous funding
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from the William and Flora Hewlett Foundation. Licensed Creative Commons Attribution 4.0.
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