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

Titration

For Students 11th - Higher Ed
In this titration worksheet, students calculate the pH of a solution at different points during a chemical reaction. Students write a balanced net ionic equation for the major equilibrium reaction. This worksheet has 3 problems to solve.
Worksheet
Curated OER

Product Formation Homework

For Students 9th - 12th
In this product formation worksheet, students are given the reactants for 6 chemical equations and they determine if the products will form. They write a balanced chemical reaction for a double replacement reaction as well as the ionic...
Worksheet
Curated OER

Gas Stoichiometry

For Students 9th - 12th
In this gas stoichiometry worksheet, high schoolers use the ideal gas law and balanced chemical equations to solve for unknown values such as volume and mass of gases.
Worksheet
Curated OER

Types of Reactions

For Students 9th - 12th
In this types of reactions worksheet, students balance 5 chemical equations and identify the type of reaction. They read 3 scenarios and identify the type of reaction going on in each situation.
Worksheet
Curated OER

Classifying Chemicals

For Students 9th - 12th
In this acids and bases learning exercise, learners identify the strengths of acids and  bases and indicate the concentration of hydronium and hydroxide ions. They determine if given chemical formulas are acids or bases,...
Worksheet
Curated OER

WS 10.12 Review

For Students Higher Ed
In this organic molecules instructional activity, students draw molecules given their names, they draw line isomers for a given compound, they predict products of reactions, they write equations for hydration reactions and they write...
Worksheet
Curated OER

Thermochemistry Practice

For Students 10th - Higher Ed
For this thermochemistry worksheet, students solve six problems identifying changes in heat, heat of formation and the amount of work done given various conditions of an equation.
Worksheet
Curated OER

Unit 8 Redox and Electrochemistry

For Students 9th - 12th
Two topics are covered by this chemistry worksheet: redox reactions and electrochemistry. Thorough review notes are followed by a series of multiple choice questions about oxidation numbers, redox reactions, electrochemical cells, and...
Worksheet
Curated OER

Chemistry Activity 29

For Students 10th - 11th
For this chemistry worksheet, students write the balanced chemical equation for each. Then they calculate the mass of nitrogen dioxide created with specific amounts of nitrogen and oxygen. Students also identify how many grams of the...
Lesson Plan
Curated OER

Balanced Students

For Teachers 9th - 12th
Students investigate the relationships between weights, and construct a balanced first class lever. They formulate a general equation for the relationship explored in the experiment and perform calculations.
Lesson Plan
Curated OER

Micro-Reaction Lab: Gas Prouducing Reactions

For Teachers 9th - 12th
Students investigate single displacement or double displacement reactions. They have to identify the type of gas produced by filling in the blanks to a data and observation sheet. Also, having to be done is writing balanced equations for...
Lesson Plan
Virginia Department of Education

Molar Volume of a Gas

For Teachers 9th - 12th Standards
What is a chemist's favorite plant? Stoichiome Tree! Scholars produce hydrogen gas by reacting magnesium with hydrochloric acid. Then they calculate the molar volume of the gas produced before answering assessment questions. 
Lesson Plan
Virginia Department of Education

Solution Concentrations

For Teachers 9th - 12th Standards
What happens when you combine 6.022 times 10 to the 23 piles of dirt into one? You make a mountain out of a mole hill. Scholars use dehydration to obtain percent composition and then calculate the molarity of the original...
Lesson Plan
Virginia Department of Education

Partial Pressure

For Teachers 9th - 12th
At some point, everyone has been under pressure—even Dalton! Explore Dalton's law of partial pressures with young chemists as they measure the volume of air extracted from a sample compared to its original volume. Class...
Lesson Plan
Virginia Department of Education

Soap, Slime, and Creative Chromatography

For Teachers 9th - 12th Standards
Do you think chromatography paper suffers from separation anxiety? Young chemists make soap, slime, silly putty, and experiment with chromatography in this lesson. The material includes clear instructions for each experiment along with...
Lesson Plan
Virginia Department of Education

Equilibrium and Le Chatelier’s Principle

For Teachers 9th - 12th
The best part of learning about equilibrium is that nothing changes. Young chemists observe four demonstrations during this instructional activity: equilibrium in a saturated solution, equilibrium with an acid-base indicator, equilibrium...
Lesson Plan
Virginia Department of Education

Mystery Anions

For Teachers 9th - 12th Standards
Lost an electron? You should keep an ion them. Young chemists learn qualitative analysis in the second lesson plan of an 11-part chemistry series. After observing reactions of simple salts, the teacher provides pupils with unknown...
Lesson Plan
Virginia Department of Education

Acids and Bases

For Teachers 9th - 12th Standards
What did one titration say to the other titration? We should meet at the end point! Young chemists perform four experiments: dilute solution, neutralization, titration, and figuring pH/pOH. 
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...
Lesson Plan
Virginia Department of Education

Molecular Model Building

For Teachers 9th - 12th Standards
During this hands-on activity, young chemists build molecular models based on the Lewis dot structure before studying valence shell electron pair repulsion theory. 
Lesson Plan
Virginia Department of Education

Aspirin Analysis

For Teachers 9th - 12th Standards
Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand. 
Lesson Plan
Chymist

Tritration: Standardization of a Base and Analysis of Stomach Antacid Tablets

For Students 9th - 12th
Do antacid tablets really do what they claim? An experimental lesson attempts to answer this question. Individuals practice the process of titration during the first part of the experiment. They then use those skills to neutralize an...
Activity
American Chemical Society

Exothermic, Endothermic, and Chemical Change

For Teachers 9th - 12th Standards
Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...