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Curated OER
Worksheet 2-2 Stoichiometric Tools
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...
Curated OER
Everything You Ever Wanted to Know About Stoichiometry
In this chemistry worksheet, students identify the process of Stoichiometry and use it to calculate various chemical reactions similar to that of a recipe. In addition, they identify a connection between isoamyl alcohol and the product...
Creative Chemistry
Some Redox Titration Problems Involving Manganate (VII)
In this titration learning exercise, students determine the number of moles of an ion present in given solutions. Students calculate the relative formula mass and the concentrations of ions for solutions. This learning exercise has seven...
Curated OER
Chemical Reactions at Equilibrium
In this chemical reactions worksheet, students calculate the value for the equilibrium constant and the equilibrium concentrations for specific reactions. This worksheet has 6 word problems.
Curated OER
Reviewing Problems for the Gas Laws
In this gases worksheet, students apply gas laws to calculate the change in pressure or temperature depending on what has occurred to the gas. This worksheet has 11 problems to solve.
Net Texts
Hess's Law Worksheet
Challenge young scholars' understanding of thermochemistry with this skills-practice worksheet on Hess's Law. Given a series of five multi-step chemical reactions, learners must determine the overall change in entropy...
Kenan Fellows
Reaction Stoichiometry—How Can We Make Chalk?
What is a reasonable percent yield in the manufacturing process? Scholars develop a process for producing chalk in the third lesson of a six-part series. Then, they must determine the theoretical and percent yield. Discussions about...
Curated OER
Equilibrium Equations
In this equilibrium worksheet, students calculate the equilibrium constant for reactions and the equilibrium concentrations. This worksheet has 10 problems to solve.
Curated OER
Energy in Chemical Reactions
In this chemical reaction worksheet, students determine if reactions are exothermic or endothermic. Students define enthalpy and calculate how much heat is released or absorbed during reactions. This worksheet has 1 matching, 1 fill in...
Curated OER
Chemical Equilibrium Homework Problem Set
In this chemistry worksheet, students write an equilibrium expression for each of the chemical reactions listed. Then they use the equilibrium constant to calculate the equilibrium pressure of each species under the given conditions.
Curated OER
Reaction Kinetics
In this chemical reactions worksheet, students determine the reaction rate for various reactions, write balanced equations, create graphs showing the reaction over time, and calculate the activation energy and potential energy. This...
Curated OER
Chemical Equilibria
In this chemical equilibria worksheet, students write equilibrium expressions for chemical reactions and calculate the value of the equilibrium constant. This worksheet has 8 problems to solve.
Curated OER
Ideal Gas Law Worksheet
In this ideal gas law learning exercise, students complete 8 problem solving questions to find pressure, volume and temperature of given gases.
Curated OER
Iron Filings
Learners conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
Virginia Department of Education
Molar Heat of Fusion for Water
How can you describe heat of fusion in a way the class understands and relates the importance of this concept to present day issues? In this third lesson of the series, learners conduct an experiment, demonstrating the flow of heat...
Royal Society of Chemistry
Volumetric Apparatus
Can your class tell the difference between a burette and a pipette? Develop their lab apparatus knowledge using a series of puzzles. The online activity associates the name, image, and sizes of burettes, pipettes, volumetric flasks, and...
Curated OER
Reaction Reversibility
In this reaction reversibility worksheet, students find the equilibrium equation for a reaction of two gases and plot their concentrations over time. They answer 12 questions about the chemical reaction.
Curated OER
Energy from Hydrocarbons
In this energy from hydrocarbons instructional activity, high schoolers read about endothermic and exothermic reactions and how hydrocarbons release heat as fuels. Students read how to measure heat changes in reactions and practice...
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Chemical Solutions
For 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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Mass-Mass Relationship
Learners investigate mass-mass relationships in the lab. In this mass-mass relationship lesson plan, students mix sodium carbonate with hydrochloric acid to produce sodium chloride, water and carbon dioxide. Learners use the amount of...
Royal Society of Chemistry
A Microscale Acid-Base Titration
Watch as acids and bases put smiles on their faces. Young chemists learn the concept of acid-base titration firsthand in a microscale experiment. Working groups collaborate, titrate, then use their data to determine the concentration of...
Curated OER
Chapter 12 Review, Section 3: Solutions
A neat presentation and challenging content make this solutions activity an ideal homework assignment for your budding chemists. Short answer and problem solving questions get them to review molarity, products, and reactants.
Curated OER
Stoichiometry
Balancing equations is a foundational skill for starting chemists. There are a few slides in this PowerPoint with colorful diagrams that help to explain how. Unfortunately, the presentation begins with an unrelated table of contents and...
Curated OER
Stoichiometry
In this stoichiometry activity, learners use balanced equations for chemical reactions to determine the percent yield and the mass of product produced. This activity has five problems to solve.