Curated OER
2001 U.S. National Chemistry Olympiad - Local Section Exam
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
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2007 U.S. National Chemistry Olympiad Local Section Exam
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...
Teach Engineering
Flame Test: Red, Green, Blue, Violet?
Let the true colors shine through. Pupils conduct a flame test to identify an unknown element. Class members calculate and prepare specific molarity solutions of three chemicals. Using their observations of the colors emitted, they...
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Gas Laws
In this gas worksheet, students calculate molar mass and molecular weight of a given mass of gas at a specific temperature and pressure. Students calculate partial pressure of given gases. This worksheet has 6 word problems.
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Moles, Molecules, and Molar Masses
In this molecules worksheet, students calculate the mass or volume of a certain number of moles of a compound. There are 3 difficulty levels of this worksheet, each one has 6 problems to solve.
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Everything You Ever Wanted To Know About Hot Wire Chemical Vapor Deposition, But Were Afraid To Ask
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...
Science Geek
Calculations of Solution Concentration
Teach the process of calculating concentrations of a solute. The fourth in a series of seven chemistry lessons shows the various types of calculations including grams per liter, molarity, parts per million, and percent composition. The...
Curated OER
Mass Percentage and Empirical Formulas
In this chemical compounds instructional activity, students write the chemical formula and formula mass for given compounds. Students will compare the number of moles of compound in different samples. Students determine empirical...
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Thermochemistry
In this thermochemistry worksheet, students indicate whether the given processes are endothermic or exothermic reactions. Students complete the phase change diagram as well as define a given set of vocabulary words. Students calculate...
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Chemistry Lab-Molar Volume of Gas
Students determine the molar volume of hydrogen gas. In this molar volume lesson plan, students find the molar volume of hydrogen produced in a reaction between magnesium and hydrochloric acid. They use a eudiometer to measure the volume...
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Molarity Worksheet
In this molarity worksheet, students fill in unknowns such as mass of solute, moles of solute, volume of solution and molarity of solution in a chart with given solvents. They also calculate the molarity of solutions in other problems.
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Ammonium Nitrate - Efficient Fertilizers
Young scholars study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. They compare different fertilizers and calculate the molar mass and percent nitrogen in the different fertilizers.
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Holy Moley!
In this chemistry instructional activity, students calculate to find the molar mass of water. Then they identify how many moles of hydrogen atoms and oxygen atoms they would have in a beaker. Students also write the chemical formula of...
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Stoichiometry Practice Problems
In this stoichiometry worksheet, students calculate the mass of the compound produced from given chemical reactions. This worksheet has 6 problems to solve.
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Stoichiometry Practice Problems
In this stoichiometry activity, students calculate the mass of compounds or gases produced from given chemical reactions. This activity has 5 problems to solve.
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Mole Conversions
In this compounds worksheet, students determine the number of molecules in molar mass for given amounts of different compounds. This worksheet has 5 problems to solve.
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Moles, Stoichiometry, and Concentration
In this stoichiometry instructional activity, students practice calculating moles, molar mass, and percentage composition of given compounds. This instructional activity has 55 problems to solve.
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Moles
In this moles learning exercise, learners calculate the molar mass of compounds. Students also determine how many moles of a compound are in a certain mass of that compound. This learning exercise has 8 problems to solve.
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Chemical Reactions
In this chemical reactions worksheet, students calculate the molar mass and the rate of reaction for the given chemical reactions. This worksheet has 3 problems to solve.
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Solution Chemistry Investigation
Students engage in a lesson plan that is concerned with the concepts related to solution chemistry. They calculate the molar mass of various chemical compounds. Then students predict the anion ratio for ionic compounds. Students also...
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Moles, Molecules and Molecular Mass
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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Percent Mass, Moles, and Avogadro Worksheet
In this moles worksheet learners complete a set of calculations to find how many atoms and moles are in different substances.
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Molar Mass
Students apply the ideal gas law and Dalton's Law of Partial Pressure to develop an experiment which determine the molar mass of butane from disposable lighters. In small groups, they develop a procedure and have it approved before...
Science Geek
The Mole
What can you call a tooth in a glass of water? A one-molar solution! Presentation covers moles, Avogadro's Number, calculating formula mass, converting moles to grams, converting grams to moles, and calculations with moles. It is the...