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...
Worksheet
Curated OER

Moles, Molecules and Molecular Mass

For Students 9th - 12th
For 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...
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...
Assessment
Curated OER

2002 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Assessment
Curated OER

2007 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
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...
Lesson Plan
Curated OER

Chemistry Practice

For Teachers 10th - 11th
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
Worksheet
Curated OER

Empirical and Molecular Formula Sheet

For Students 10th - Higher Ed
In this formulas worksheet, students solve eight problems and are required to write the empirical and molecular formulas given percentage of elements or quantities in mass.
Lesson Plan
Virginia Department of Education

Finding the Formula and Percent Composition

For Teachers 9th - 12th Standards
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson plan starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
PPT
Curated OER

Empirical Formula

For Teachers 9th - 12th
Plenty of time was invested in creating this detailed presentation. The first slide alone includes several steps that support your explanation of percent composition, a precursor to understanding how to write empirical and molecular...
Worksheet
Curated OER

Chapter 2 and 3 Practice Worksheet - Formulas and Compounds

For Students 9th - 12th
In this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
Worksheet
Curated OER

Stoichiometry

For Students 10th - Higher Ed
In this stoichiometry worksheet, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This worksheet has 18 word problems.
Worksheet
Curated OER

Chemical Calculations and Chemical Formulas

For Students 11th - 12th
In this stoichiometry worksheet, learners calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
Worksheet
Curated OER

Percent Mass, Moles, and Avogadro Worksheet

For Students 9th - 12th
In this moles worksheet students complete a set of calculations to find how many atoms and moles are in different substances. 
Lesson Plan
Curated OER

Everything You Ever Wanted To Know About Hot Wire Chemical Vapor Deposition, But Were Afraid To Ask

For Teachers 10th - 12th
To wrap up your year of general chemistry, have lab groups compete in a tot wire chemical vapor deposition (HWCVD) competition. With their foundation in chemical nomenclature, stoichiometry, and gas laws, each group completes several...
Worksheet
Curated OER

The Mole

For Students 10th - 12th
For 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.
Lesson Plan
Curated OER

Worksheet 2-2 Stoichiometric Tools

For Teachers 10th - 12th
In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
Worksheet
Curated OER

Unit 2 Quantities Review

For Students 9th - 12th
In this quantities in chemistry instructional activity, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and...
Worksheet
Curated OER

Exam Review: Chemistry Calculations

For Students 9th - 12th
For this chemistry calculations review worksheet, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
Worksheet
Curated OER

Reactions in Aqueous Solutions

For Students 10th - 12th
In this solutions worksheet, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This worksheet has 15 problems to solve.
Worksheet
Curated OER

Solutions and Solubility Review

For Students 9th - 12th
In this solutions and solubility review worksheet, high schoolers are given main ideas about intermolecular forces, concentrations of solutions, molar solutions, ionic equations, solubility rules, acids and bases and titrations. Students...
Worksheet
Curated OER

Practice Final

For Students 9th - 12th
A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...
Worksheet
Curated OER

Grossmont College - Chem 115 Practice Exam 2

For Students 9th - Higher Ed
Here is a straightforward practice test for first year chemistry learners. Responders balance equations, identify types of reactions, represent electron configurations, and solve stoichiometry problems. Keep this handy to use as...
PPT
Curated OER

Chemical Equations

For Teachers 9th - 12th
Wow! This comprehensive collection of slides will walk your chemistry class through the foundation of chemical reactions, teach them to balance equations, differentiate types of reactions, and calculate stoichiometry problems. This...