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Worksheet
Curated OER

Working with Solutions

For Students 10th - 12th
In this solutions activity, students review how molarity is calculated and how to prepare a dilute solution. This activity has 5 problems to solve.
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Activity
TeachEngineering

Teach Engineering: Hydrogen Oxygen Reaction Lab

For Teachers 9th - 10th
This lab exercise exposes students to a potentially new alternative energy source-hydrogen gas. Student teams are given a hydrogen generator and an oxygen generator. They balance the chemical equation for the combustion of hydrogen gas...
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Activity
Science Education Resource Center at Carleton College

Serc: Lab: Conservation of Mass

For Teachers 6th - 8th
This lab experiment shows students that mass is not gained or lost during a chemical reaction. Lab also includes a set of lab questions that requires students to balance the chemical equation for the reaction that occurs in this lab.
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Interactive
Thomas Jefferson National Accelerator Facility

Jefferson Lab: Balancing Act!

For Students 9th - 10th
The computer will give you a number of incomplete chemical equations. Balance the chemical equations by selecting coefficients from the pull-down menus. Once you think the equation is balanced, press the 'Check my answer!' button.
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Lesson Plan
Alabama Learning Exchange

Alex: Writing Word Equations

For Teachers 9th - 10th
The students will learn to write word and formula equations. We will watch a web video about chemical equations. We will then complete the science in motion lab "The Color of Chemistry". The students will also be required to write word...
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Activity
Dartmouth College

Dartmouth College: Chem Lab: Chemical Kinetics 2

For Students 9th - 10th
This lab further analyzes the results of the experiments carried out in Chemical Kinetics 1. In addition, you will carry out experiments to determine the temperature dependence of the reaction rate constant. Requires Java plug-in.
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Activity
Dartmouth College

Dartmouth College: Chem Lab: Spectra of Conjugated Dyes & Beer's Law

For Students 9th - 10th
In the first part of this lab, you will measure the absorption spectra of two conjugated dyes and compare the results to the theoretical predictions of a particle-in-a-box model. In the second part of the experiment, you will identify...
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Activity
Texas Instruments

Texas Instruments: Chemical Equations and Relationships

For Teachers 9th - 10th
This activity is designed to check student understanding of chemical relationships and light in preparation for a concentration lab.
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Lesson Plan
Science Education Resource Center at Carleton College

Serc: How Big Is the Balloon?

For Teachers 9th - 10th
A chemistry lab where students investigate limiting reagents and balanced chemical equations. A simple experiment that gives students a physical example of what limiting reactant means.
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Interactive
Thomas Jefferson National Accelerator Facility

Jefferson Lab: Elemental Balancing Act!

For Students 9th - 10th
Welcome to It's Elemental - Balancing Act! The computer will give you a number of incomplete chemical equations. Balance the chemical equations by selecting coefficients from the pull-down menus. Once you think the equation is balanced,...
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Activity
Dartmouth College

Dartmouth College: Chem Lab: Chemical Kinetics 1

For Students 9th - 10th
In this experiment, you will determine the rate law and confirm the mechanism of the reaction between cyclohexanone and iodine. Requires Java and QuickTime plug-ins to access some features.
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Activity
Dartmouth College

Dartmouth College: Chem Lab: Natural Salt Solutions 1: Ion Exchange

For Students 9th - 10th
In this experiment, you will concentrate on understanding the chemistry of ion exchange and estimate the capacity of an ion exchange column from your observations.
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Activity
Dartmouth College

Dartmouth College: Chem Lab: Coordination Chemistry 3.2

For Students 9th - 10th
In this experiment, you will study the reaction between your cobalt complex and the nitrite ion. The nitrite ion can exchange with a water ligand and the mechanism of this ligand exchange will be investigated. Requires Java plug-in.
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Activity
Dartmouth College

Dartmouth College: Chem Lab: Coordination Chemistry: Kinetics of Ligand Exchange

For Students 9th - 10th
In this experiment, you will complete the study of the mechanism of ligand exchange. The reaction will be followed colorimetrically and the rates of exchange and ligand isomerization will be measured. Requires Java plug-in.
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Activity
Dartmouth College

Dartmouth College: Chem Lab: Coordination Chemistry 3.1: Acid/base Analysis

For Students 9th - 10th
In this experiment, you will examine the acidity of your coordination complex's water ligand. You will determine the acid dissociation constant of the complex by titrating it with a base. There are eight weeks of experiments in this series.
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Lesson Plan
Science Education Resource Center at Carleton College

Serc: Chemical Changes: Reacting an Acid and Base

For Teachers 9th - 10th
For this chemistry lab, students will investigate chemical changes that occur when acids and bases react. It is meant to introduce the concepts of chemical changes, gases have mass, conservation of mass, and balancing equations. Students...
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Lesson Plan
Science Education Resource Center at Carleton College

Serc: Mn Step: Student Chemical Reactions Demonstrations

For Teachers 9th - 10th
A lab activity where students conduct and analyze assigned chemical reactions, then demonstrate and explain them to the class. Comprehensive lab handouts are included.
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Handout
Dartmouth College

Dartmouth College: Qualitative Analysis of Anions

For Students 9th - 10th
"In this experiment, you will observe the reactions of some simple salts, analyze common household chemicals, and identify an unknown sample by testing its reactivity."
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Activity
Dartmouth College

Dartmouth College: Acids, Bases, and Buffers 1: Monoprotic and Polyprotic Acids

For Students 9th - 10th
In this experiment, you will explore the behavior of the monoprotic acid (acetic acid) and the polyprotic acid (phosphoric acid). By titrating, you will examine the acid and conjugate base species present across the pH scale and the...
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Handout
National High Magnetic Field Laboratory

Magnet Academy: Svante Arrhenius

For Students 9th - 10th
Svante Arrhenius was born in Vik, Sweden, and became the first native of that country to win the Nobel Prize. The award for chemistry was bestowed to him in honor of his theory of electrolytic dissociation. Arrhenius also developed the...