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Chem 1405 Lab Manual Critical Thinking And Chemistry Experiments


Emphasizing environmental considerations, Corwin’s acclaimed lab manual offers a proven format of a prelaboratory assignment, a stepwise procedure, and a postlaboratory assignment. More than , students to date in Introductory Chemistry, Preparatory Chemistry, and Allied Health Chemistry have used these “bullet-proof” experiments successfully. The Sixth Edition features a completely updated interior design, new environmental icons denoting “green” features, updated prelabs, and much more. Corwin’s lab manual can be packaged with any Pearson Intro Prep Chemistry book.

Table of Contents


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
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 Points 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. Physical Properties
B. 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: Chemical Bonding 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. Solutes and Solvents
B. Rate of Dissolving
C. Demonstration of Supersaturation
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–Reduction Reactions
A. Oxidation Numbers of Manganese
B. Oxidation Numbers of Chromium
C. Oxidation Numbers of Sulfur
D. Oxidation Numbers of Nitrogen
E. Oxidation–Reduction Equations
F. Activity Series and an Unknown Metal
23 Organic Models and Functional Groups
Topic: Classes of Organic Compounds
A. Molecular Models of Hydrocarbons
B. Molecular Models of Hydrocarbon Derivatives
C. Unknown Molecular Models
24 Separation of Food Colors and Amino Acids
Topic: Separation of Biochemical Compounds
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
A Laboratory Burner
B Decigram Balance
C CentigramBalance
D Milligram Balance
E Volumetric Pipet
F Activity Series for Metals
G Solubility Rules
H Laboratory Notebook
I Glossary
J Answers to Prelaboratory Assignments

CHEM - Introductory Chemistry I (with lab)

CHEM PowerPointsFrom the publisher of Corwin's "Introductory Chemistry: Concepts & Connections." CHEM and cover Chapters of the 6th edition of the textbook, and Chapters of the 7th edition.CHEM Chapter NotesThe notes for Chapters have been edited by Mounia El-Amrani, HCC chemistry instructor. They are based on the 6th (and ealier) editions of the textbook.CHEM Practice ExamsThese exams were originally prepared by Venus Ravanmehr and Oluwadolapo Ekibolaji, HCC chemistry instructors. These exams are also based on the 6th (and earlier) editions of the textbook.CHEM Lab HandoutsPrint your copy and read the experiment before coming to lab!Corwin 4th Edition Textbook Companion SiteFree, no login is required. The site includes practice quizzes by chapter and a math tutorial.CHEM Practice ProblemsThough intended for General Chemistry I (CHEM ) at HCC, Intro Chem students may find these problems good practice also.Khan Academy Chemistry VideosCorwin 7th Edition Textbook InformationCustom-published version sold in HCC bookstores. The "external link" under the description links to information about the full hardcover version.Custom HCC Corwin Textbook, 6th EditionThis is the previous textbook used at HCC, still in circulation.CHEM Blei & Odian MaterialsFrom the publishers of General, Organic, and Biochemistry, by Ira Blei and George Odian. This textbook is used for some CHEM sections at HCC. Check your course syllabus to confirm which textbook is used for your class (Corwin or Blei & Odian).