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Worksheet
Curated OER

Find the Percent of Iron in Manganate (VII)

For Students 9th - 12th
Dilute sulphuric acid is used to oxidize manganate (VII) into manganese (II) and water. Step-by-step procedures are outlined on the worksheet as well as calculations for junior chemists to perform in their science journals. This...
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Worksheet
Curated OER

Electrochemistry Test Review

For Students 9th - 12th
This review sheet will be very useful to test your pupils' understanding of battery structure and redox reactions.  The questions ask for equations to be balanced and for the traditional equipment setups to be drawn and labeled.  The...
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Activity
It's About Time

Atoms and Their Masses

For Teachers 7th - 12th Standards
Are atoms too small to be isolated? Answer this question and more as you provide young chemists with the tools to conduct a hands-on activity demonstrating atomic mass. Pupils explore the mass of copper and aluminum, compare Dalton's...
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Lesson Plan
Curated OER

Determining the Molar Mass of a Gas

For Teachers 9th - 12th
Students determine the molar mass of a gas. In this molar mass of a gas lesson plan, students use the vapor density of an organic solvent to determine its molar mass. They vaporize the solvent and collect the vapor. Once it is cooled...
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Worksheet
Curated OER

Chemical Solutions

For Students 10th - Higher Ed
In this chemical solutions worksheet, Students determine the significance of the critical point in a phase diagram and rank solutions from weakest to strongest solute-solvent interaction. This worksheet has 4 problems to solve.
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Lesson Plan
Curated OER

Chemistry Lab-Molar Volume of Gas

For Teachers 9th - Higher Ed
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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Worksheet
Curated OER

Hydrocarbons

For Students 9th - 12th
In this hydrocarbon worksheet, students answer 13 questions about different types of organic molecules categorized as hydrocarbons. They explain the different hydrocarbons, they draw structural diagrams for different hydrocarbons and...
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Worksheet
Curated OER

Colligative Properties and Chemical Equilibria

For Students Higher Ed
In this colligative properties and chemical equilibria worksheet, students answer twenty questions including ranking solutions base on their colligative properties and determining what must happen to a reaction to reach equilibrium.
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Lesson Plan
Curated OER

Graham's Laws: Diffusion and Effusion of Gases

For Teachers 7th - 12th
Students conduct a series of experiments to explore Graham's law. In this chemistry instructional activity, students differentiate effusion and diffusion. They perform calculations using Boyle's, Henry's, Charles' and Graham's Laws.
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Worksheet
Curated OER

Common Ion Effect

For Students Higher Ed
In this ion effect learning exercise, students use the Henderson-Hasselbalch equation to calculate the pH of a reaction during the different steps. This learning exercise has 7 problems to solve.
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Worksheet
Curated OER

Electromagnetic Spectrum

For Students Higher Ed
In this electromagnetic spectrum worksheet, students review all regions of the spectrum in order from longest to shortest wavelength. Students list all possible values for specific quantum numbers. This worksheet has 20 problems to solve.
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Worksheet
Curated OER

Chemistry 152 - Competencies

For Students 10th - Higher Ed
In this chemistry competencies worksheet, students calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This worksheet has 4 fill in the blank questions and 20...
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Lesson Plan
Curated OER

Chemical Reaction

For Teachers Higher Ed
In this chemical reaction worksheet, students label the missing particles as natural decay, induced, fission, or fusion. Students calculate the energy change for the given reactions. This worksheet has 6 fill in the blank and 4 problems...

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