LAB 5

Topics: Chemistry, Experiment, International System of Units Pages: 199 (31937 words) Published: November 22, 2013
General College Chemistry
LabPaq / Published by: Hands-On Labs, Inc.

sales@HOLscience.com / www.HOLscience.com / Toll Free 866.206.0773

A Laboratory Manual of Small-Scale Experiments
for the Independent Study of
General College Chemistry
50-0123-CK-02
LabPaq® is a registered trademark of Hands-On Labs, Inc. (HOL). The LabPaq referenced in this manual is produced by Hands-On Labs, Inc. which holds and reserves all copyrights on the intellectual properties associated with the LabPaq’s unique design, assembly, and learning experiences. The laboratory manual included with a LabPaq is intended for the sole use by that LabPaq’s original purchaser and may not be reused without a LabPaq or by others without the specific written consent of HOL. No portion of any LabPaq manual’s materials may be reproduced, transmitted or distributed to others in any manner, nor may be downloaded to any public or privately shared systems or servers without the express written consent of HOL. No changes may be made in any LabPaq materials without the express written consent of HOL. HOL has invested years of research and development into these materials, reserves all rights related to them, and retains the right to impose substantial penalties for any misuse.

Published by:
Hands-On Labs, Inc.
3880 S. Windermere St.
Englewood, CO 80110
Phone: Denver Area: 303-679-6252
Toll-free, Long-distance: 866-206-0773
www.HOLscience.com
e-mail: info@HOLscience.com

Printed in the United States of America.

The experiments in this manual have been and may be conducted in a regular formal laboratory or classroom setting with the users providing their own equipment and supplies. However, this manual was especially written for the benefit of the independent study of students who do not have convenient access to such facilities. It allows them to perform college and advanced high school level experiments at home or elsewhere by using a LabPaq, a collection of experimental equipment and supplies specifically packaged to accompany this manual. Use of this manual and authorization to perform any of its experiments is expressly conditioned upon the user reading, understanding and agreeing to fully abide by all the safety precautions contained herein.

Although the author and publisher have exhaustively researched many sources to ensure the accuracy and completeness of the information contained in this manual, we assume no responsibility for errors, inaccuracies, omissions or any other inconsistency herein. Any slight of people, organizations, materials, or products is unintentional.

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Table of Contents
5To the Instructor
6To the Student
7How to Perform an Experiment
9Safety Concerns
11Science Lab Safety Reinforcement Agreement

Experiments
14

Observations of Chemical Changes

21Laboratory Techniques and Measurements
53

Separation of a Mixture of Solids

62

Properties of Gases

72Liquids and Solids
81

Physical and Chemical Properties

88

Identification of Metallic Ions

95

Ionic Reactions

104

Stoichiometry of a Precipitation Reaction

113

Caloric Content of Food

121

Determination of Water Hardness Using a Titrator

Appendix
137Laboratory Equipment and Techniques
139

Potential Laboratory Hazards

140

Use, Disposal, and Cleaning Instructions for Common Materials

142Material Safety Data Sheets
144

How to Write Lab Notes and Lab Reports

150Laboratory Drawings
152

Final Cleanup Instructions

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©Hands-On Labs, Inc.

www.HOLscience.com

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©Hands-On Labs, Inc.

Introduction

To the Instructor
As an increasing number of students embrace online and independent-study courses, laboratory experiences must remain an integral part of science education. This lab manual’s author and publisher are science educators who...
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