Laboratory Manual for Introductory Chemistry: Concepts and Critical Thinking, 7th edition

Published by Pearson (July 14, 2021) © 2019

  • Charles H. Corwin American River College
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With Laboratory Manual for Introductory Chemistry, you'll be prepared for a safe, successful lab experience. Each lab includes a pre-lab assignment, follows a stepwise procedure, and strives to solidify your learning with a post-lab assignment. The experiments included have been tested by more than 500,000 students.

  • SAFETY PRECAUTIONS
  • LOCKER INVENTORY
  • WASTE DISPOSAL
  • EXPERIMENTS

1. Introduction to Chemistry

  • Topic: The Scientific Method
  • A. Instructor Demonstrations
  • B. Student Experiments

2. Instrumental Measurements

  • Topic: The Metric System
  • A. Length Measurement
  • B. Mass Measurement
  • C. Mass and Volume of an unknown solid
  • D. Volume Measurements
  • E. Temperature Measurements

3. Density of Liquids and Solids

  • Topic: Density
  • A. Instructor Demonstration-Density
  • B. Density of Water
  • C. Density of an Unknown Liquid
  • D. Density of a Rubber Stopper
  • E. Density of an Unknown Solid
  • F. Thickness of Aluminum Foil

4. Freezing Point and Melting Points

  • Topic: Change of Physical State
  • A. Cooling Curve and Freezing Point
  • B. Melting Point of an Unknown

5. Physical Properties and Chemical Properties

  • Topic: Physical and Chemical Properties
  • A. Instructor Demonstrations
  • B. Observation of Elements
  • C. Physical Properties
  • D. Chemical Properties

6. “Atomic Fingerprints”

  • Topic: Emission Spectra and Electron Energy Levels
  • A. Continuous Spectrum — White Light
  • B. Line Spectrum — Hydrogen
  • C. Line Spectra — Helium, Neon, Argon, Krypton, and Mercury
  • D. Identifying Unknown Elements in a Fluorescent Light

7. Families of Elements

  • Topic: The Periodic Table
  • A. Analysis of Known Solutions
  • B. Analysis of an Unknown Solution

8. Identifying Cations in Solution

  • Topic: Qualitative Cation Analysis
  • A. Analysis of a Known Cation Solution
  • B. Analysis of an Unknown Cation Solution

9. Identifying Anions in Solution

  • Topic: Qualitative Anion Analysis
  • A. Analysis of a Known Anion Solution
  • B. Analysis of an Unknown Anion Solution

10. Analysis of a Penny

  • Topic: Writing and Balancing Chemical Equations
  • A. Instructor Demonstrations-Combination Reactions
  • B. Decomposition Reactions
  • C. Single-Replacement Reactions
  • D. Double-Replacement Reactions
  • E. Neutralization Reactions
  • F. Percentages of Copper and Zinc in a Penny

11. Determination of Avogadro’s Number

  • Topic: Avogadro’s Number and the Mole Concept
  • A. Calibrating a Dropper Pipet
  • B. Calculating Molecules in the Monolayer
  • C. Determining Avogadro’s Number

12. Empirical Formulas of Compounds

  • Topic: Empirical Formula
  • A. Empirical Formula of Magnesium Oxide
  • B. Empirical Formula of Copper Sulfide

13. Analysis of Alum

  • Topic: Percent Composition and Empirical Formula
  • A. Percentage of Water in Alum Hydrate
  • B. Percentage of Water in an Unknown Hydrate
  • C. Water of Crystallization in an Unknown Hydrate

14. Decomposing Baking Soda

  • Topic: Mass—Mass Stoichiometry and Percent Yield
  • A. Percent Yield of Na2CO3 from Baking Soda
  • B. Percentage of NaHCO3 in an Unknown Mixture

15. Precipitating Calcium Phosphate

  • Topic: Mass—Mass Stoichiometry and Percent Yield
  • A. Percent Yield of Ca3(PO4)2 from CaCl2
  • B. Percentage of CaCl2 in an Unknown Mixture

16. Generating Hydrogen Gas

  • Topic: Mass—Volume Stoichiometry and Combined Gas Law
  • A. Molar Volume of Hydrogen Gas
  • B. Atomic Mass of an Unknown Metal

17. Generating Oxygen Gas

  • Topic: Mass—Volume Stoichiometry and Combined Gas Law
  • A. Percentage of KClO3 in a Known Mixture
  • B. Percentage of KClO3 in an Unknown Mixture

18. Molecular Models and Chemical Bonds

  • Topic: Structural and Electron Dot Formulas
  • A. Molecular Models with Single Bonds
  • B. Molecular Models with Double Bonds
  • C. Molecular Models with Triple Bonds
  • D. Molecular Models with Two Double Bonds
  • E. Unknown Molecular Models

19. Analysis of Saltwater

  • Topic: Solubility and Solution Concentration
  • A. Instructor Demonstration — Supersaturation
  • B. Solutes and Solvents
  • C. Rate of Dissolving
  • D. Concentration of Sodium Chloride in Saltwater

20. Analysis of Vinegar

  • Topic: Acid—Base Titrations
  • A. Preparation of Standard Sodium Hydroxide Solution
  • B. Concentration of Acetic Acid in Vinegar

21. Electrical Conductivity of Aqueous Solutions

  • Topic: Net Ionic Equations
  • A. Conductivity Testing–Evidence for Ions in Aqueous Solution
  • B. Conductivity Testing–Evidence for a Chemical Reaction
  • C. Net Ionic Equations–A Study Assignment

22. Activity Series of Metals

  • Topic: Oxidation Numbers and Redox Reactions
  • A. Oxidation Numbers of Iron
  • B. Oxidation Numbers of Manganese
  • C. Oxidation Numbers of Sulfur
  • D. Oxidation Numbers of Nitrogen
  • E. Oxidation—Reduction Equations—A Study Assignment
  • F. Activity Series and an Unknown Metal

23. Organic Models and Classes of Compounds

  • Topic: Structural Formulas of Molecular Models
  • A. Molecular Models of Hydrocarbons
  • B. Molecular Models of Hydrocarbon Derivatives
  • C. Unknown Molecular Models

24. Separation of Food Colors and Amino Acids

  • Topic: Paper Chromatography
  • A. Separation of Food Colors by Paper Chromatography
  • B. Identification of Amino Acids by Paper Chromatography

25. Laboratory Instruments and Technique

  • Topic: Lab Final Exam
  • A. Lab Practical Exam
  • B. Lab Written Exam

APPENDICES

  • A. Laboratory Burner
  • B. Decigram Balance
  • C. Centigram Balance
  • D. Milligram Balance
  • E. Volumetric Pipet
  • F. VActivity Series for Metals
  • G. Solubility Rules
  • H. Laboratory Notebook
  • I. Glossary
  • J. Answers to Prelaboratory Assignments

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