Lab Resource
Pingry School

Kinetics of the Acid Decomposition of Thiosulfate

For Students 9th - 12th
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Worksheet
Curated OER

WS 4.6 Types of Reactions

For Students 9th - 12th
Somehow 55 chemistry problems have been squished onto a single page! Don't assume that it is a mess, however. High school chemists write the products for different types of reactions. Then they identify the type of reaction in addition...
Lab Resource
Pingry School

Comparing Activities of Selected Metals

For Students 9th - 12th Standards
Don't overreact! A simple experiment demonstrates chemical reactions as scholars mix chemical solutions and metals in a large well plate. They note all changes to the metals, solutions, precipitate, colors, and more. A full data table...
Lab Resource
Pingry School

Mole Relationship in a Chemical Reaction

For Students 9th - 12th
What do budding scientists know about moles and reactions? Using an attention-grabbing lab experiment, young scholars collect data to apply the law of conservation of mass to predict the mass of gaseous products. They examine several...
Worksheet
Curated OER

Energy and Stoichiometry

For Students 9th - Higher Ed
In this stoichiometry worksheet, students calculate the amount of heat energy released in combustion equations. This worksheet has 4 problems to solve.
Lesson Plan
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Substitution and Elimination Reactions

For Teachers 11th - Higher Ed
In this chemistry worksheet, students complete the reactions by drawing structures of major products, indicating important minor products. They also write the structure of the product and describe the stereo chemistry of the product.
Worksheet
Curated OER

Mass/Mass Problems

For Students 10th - 12th
In this mass worksheet, students calculate how much of any product will form from a given amount of reactant. This worksheet has 7 problems to solve.
Worksheet
Curated OER

Equilibrium Equations

For Students 10th - Higher Ed
For this chemical reactions worksheet, students calculate the equilibrium constant for given reactions. Students decide if reactions are homogeneous or heterogeneous and if the equilibrium favors reactants or products. This worksheet has...
Lesson Plan
Curated OER

Chemical Reactions

For Teachers 10th - 12th
In this reactions worksheet, students state the differences between a coefficient and subscript and an exothermic and endothermic reaction. Students review the different types of reactions. This worksheet has 13 short answer questions.
Lab Resource
Creative Chemistry

Transition Metal Ions and Colour

For Students 9th - 12th
For this transition metal worksheet, high schoolers are given equations for transition metals and their ions. Each equation shows the changes in the colors of the ions when heat, salt, or other substances are added to the metals.
Worksheet
Curated OER

Stoichiometry

For Students 10th - Higher Ed
In this stoichiometry learning exercise, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This learning exercise has 18 word problems.
Lab Resource
Creative Chemistry

Volumetric Analysis 2- To Standardize Hydrochloric Acid

For Students 9th - 12th
In this volumetric analysis learning exercise, students use a standard solution they made of sodium carbonate to find the concentration of a hydrochloric acid solution by titration. Kids calculate the number of moles of sodium carbonate...
Lab Resource
Creative Chemistry

Balancing Redox Reactions

For Students 9th - 12th
In this redox reaction worksheet, high schoolers perform a redox titration to determine the number of iodide ions that react with each mole of iodate (V) ions in a solution. They calculate their answer using a given equation.
Lesson Plan
Curated OER

Equilibrium Equations

For Teachers 11th - Higher Ed
In this equilibrium worksheet, students calculate the equilibrium constant for reactions and the equilibrium concentrations. This worksheet has 10 problems to solve.
Lab Resource
Pingry School

Heat of Reaction and Hess's Law

For Students 9th - 12th
Melting and burning might seem like opposites, but both exist as common examples of exothermic reactions. Scholars work with three different exothermic chemical reactions to determine the enthalpy changes. They measure and mix chemicals,...
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.
Worksheet
Curated OER

Writing Nuclear Reactions

For Students 9th - 12th
For this writing nuclear reactions worksheet, students read about nuclear equations for alpha decay, beta decay and positron emission. They are given the rules for writing nuclear reactions and a sample problem.
Worksheet
Curated OER

Conservation During Chemical Reactions

For Students 9th - 12th
In this chemical reaction worksheet, high schoolers are given the details of an experiment where sodium chloride and silver nitrate are mixed in a chemical reaction. Students answer nine questions about the chemical reaction, they...
Worksheet
Curated OER

Molarity

For Students 9th - 12th
In this molarity worksheet, high schoolers are given the equation to find moles per liter of solution. They solve ten problems finding molarity of solutions, moles needed to make particular molar solutions and mass needed to make...
Worksheet
Curated OER

The Kelvin Scale

For Students 9th - 12th
In this Kelvin scale worksheet, students read about the relationship between the Celsius scale and the Kelvin scale. They are given the equations to convert from one scale to the other. They find the equivalents for temperatures measured...
Worksheet
Curated OER

Predicting Products of Reactions

For Students 10th - Higher Ed
This two-part Chemistry worksheet first prompts students to predict the products of reactions of two different chemicals in 15 questions. Students are then asked to provide the balanced equation and type of reaction for two chemicals...
Worksheet
Curated OER

Finding Concentration

For Students 9th - 12th
For this determining concentration worksheet, learners are given the equations to find the concentration of a solution in grams per milliliter, to determine the concentration in parts per million, to determine percent mass and percent...
Worksheet
Curated OER

Six Types of Reactions

For Students 9th - 12th
In this types of chemical reactions worksheet, students fill in 5 blanks with the proper type of chemical reaction described in the sentence. Students balance 5 equations and identify the type of chemical reaction for each equation.
Worksheet
Curated OER

Precipitate Lab

For Students 9th - 12th
This lab guide gets chemistry high schoolers to determine the identity of five unknown solutions based on reactions with four known solutions. Pupils perform experiments, they write down their observations, they write net ionic equations...

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