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Lesson Plan
Curated OER

The Influence of Initiator Concentration on the Molecular Weight of Polystyrene

For Teachers 11th - Higher Ed
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson plan with experienced...
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Interactive
Learning Games Lab

Nitrogen in Fertilizer

For Students 9th - 12th Standards
Nitrogen is an essential element for productive farming. An interactive lesson explores the chemical makeup of different fertilizers and their corresponding nitrogen content. The interactive challenges individuals to complete molecular...
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Interactive
Learning Games Lab

Nitrogen in Feed

For Students 9th - 12th
Knowing what farmers are feeding livestock is just smart business. A WebQuest lesson helps learners build an understanding of the relationship between amino acids, nitrogen, and protein. With interactive instruction, scholars practice...
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Interactive
Concord Consortium

DIffusion and Molecular Mass

For Students 9th - 12th Standards
Does molecular mass affect the rate of diffusion? The simulation allows scholars to experiment with diffusion while varying the molecular mass and temperature. The timer automatically stops when a certain point is reached, making it easy...
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Lesson Plan
University of Georgia

Using Freezing-Point Depression to Find Molecular Weight

For Teachers 9th - 12th Standards
Explore the mathematical relationship between a solvent and solute. Learners use technology to measure the cooling patterns of a solvent with varying concentrations of solute. Through an analysis of the data, pupils realize that the rate...
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PPT
Curated OER

Molar Mass

For Teachers 9th - 12th
Only three slides comprise this collection. The first defines molecular weight and molar mass. The second lists the molar mass and number of particles in a mole of several substances. The third is a chart depicting a chemical reaction...
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Lesson Plan
Curated OER

A Whiff of Danger

For Teachers 9th - Higher Ed
Public health trainees read and write a summary of the article, "A Whiff of Danger". The article is not available through the link, but can be found on the National Center for Biotechnology Information website. After summarizing,...
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Worksheet
Curated OER

Graham's Law

For Students 10th - Higher Ed
In this gas laws learning exercise, students apply Graham's Law by completing 6 problems finding the velocity and molecular mass of gases.
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PPT
Curated OER

Chemical Quantities

For Teachers 9th - 12th
Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...
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Worksheet
Curated OER

Chemistry 115 Practice Exam 3

For Students 9th - 12th
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
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Lesson Plan
Curated OER

Ideal Gas Law

For Teachers 10th - 11th
In this chemistry worksheet, students write two forms of the ideal gas law. Then they identify the size and units of the ideal gas law. Students also solve the equations for each ideal gas law.
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Worksheet
Curated OER

Moles, Molecules and Molecular Mass

For Students 9th - 12th
In this moles, molecules and molecular mass worksheet, students solve 18 problems where they find the number of moles in a gas, they calculate the number of molecules in a sample of gas or they find the volume of gas in a sample given...
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Worksheet
Curated OER

Molecular Mass and Percent Composition

For Students 9th - 12th
In this molecular mass and percent composition instructional activity, students complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of...
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Lesson Plan
Curated OER

Diffusion

For Teachers 8th - 10th
Students investigate diffusion using different solutions of chemicals placed in agar dishes. For this diffusion lesson plan, students observe 3 demonstrations of diffusion using perfume, food coloring in water and sugar cubes in water....
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Worksheet
Curated OER

Molecular Mass and Percent Composition Worksheet

For Students 9th - 12th
In this molecular mass and percent composition learning exercise, high schoolers find the molecular mass of 10 compounds to three decimal places. They also find the percent composition of 7 compounds and express their answers to two...
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Worksheet
Curated OER

Molecules, Moles and Molar Masses

For Students 9th - 12th
In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...
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Worksheet
Curated OER

Periods and Groups; Valence Electrons; Masses

For Students 9th - 12th
In this periods, groups, valence electrons and masses worksheet, high schoolers are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the valence...
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Worksheet
Curated OER

The Mole

For Students 10th - 12th
In this moles worksheet, students read about mole and learn how to calculate the number of moles in specific mass of compounds. This worksheet has 14 problems to solve.
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Worksheet
Curated OER

Chemistry: Chemical Reaction

For Students 10th - 12th
For this chemical reactions worksheet, students name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
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Worksheet
Curated OER

Colligative Properties - Freezing Point Depression

For Students 10th - Higher Ed
In this freezing point activity, students determine the freezing point of solutions at different concentrations. This activity has 9 problems to solve.
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Worksheet
Curated OER

Ionic Compounds

For Students 9th - 12th
In this compounds instructional activity, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This instructional activity has 4 short answer...
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Worksheet
Curated OER

Balancing Chemical Reactions

For Students 9th - 12th
For this balancing chemical reactions worksheet, students answer 12 questions about balancing reactions. They find the coefficients to balance atoms in equations, they balance reactions, they find the molecular mass of molecules and they...
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Worksheet
Curated OER

Empirical and Molecular Formula

For Students 10th - 12th
In this formulas worksheet, students review how to write compounds in their empirical formula and molecular formula. Then students complete 4 problems.
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Worksheet
Curated OER

Chemical Equations and Stoichiometry

For Students 10th - 11th
In this chemical equations instructional activity, students calculate how many grams are used to in the equation written as well as the grams formed in the chemical equation. Students identify the limiting reagent in some of the chemical...