Curated OER
Chemical Equilibria
In this chemical equilibria learning exercise, students write equilibrium expressions for chemical reactions and calculate the value of the equilibrium constant. This learning exercise has 8 problems to solve.
Curated OER
Natural Resources
In this natural resources worksheet, students compare examples of chemical and physical properties, balance equations, and calculate molar mass and moles. This worksheet has 12 problems to solve and 12 short answer questions.
Curated OER
Gas Law Worksheet II
In this gas laws worksheet, students calculate volume, pressure, or mass for given gas reactions. Students calculate partial pressures for given gases. This worksheet has 17 problems to solve.
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
Energy Worksheet
In this energy worksheet, students calculate the enthalpy of chemical reactions to answer 9 problems. They determine whether the reaction is exothermic or endothermic.
Curated OER
Challenging Thermodynamics Problems
In this thermodynamics learning exercise, students apply Hess's Law and review internal energy theory and heat capacity theory. Students use Boltzmann formula to calculate entropy and calculate the change in free energy. This learning...
Curated OER
Gas Laws
In this gas worksheet, students practice using the gas laws to calculate volume, pressure, or temperature of gases in 12 different word problems.
Curated OER
Heat of Formation using Hess's Law Lab
In this heat of formation activity, students determine the heat of formation for magnesium by combining 3 given reactions and using Hess's Law. Students then complete a data calculations chart for each reaction.
Curated OER
Chemistry 152 - Competencies
In this chemistry competencies instructional activity, students calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This instructional activity has 4 fill in the...
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Acid-Base Titration
Students determine the concentration of an unknown solution. This task assesses students' abilities to state hypothesis, develop procedures for investigation, plan for recording and organizing observations and data, collect data, create...
Curated OER
Chemical Reaction
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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Concentration of Solutions
In this solutions worksheet, high schoolers determine how the amount of solute in a given amount of solvent effects the concentration of the solution. Students calculate the molarity of solutions. This worksheet has 7 fill in the blank,...
Curated OER
Solving Practical Problems with Heats of Combustion
In this combustion worksheet, high schoolers calculate kJ obtained from combustion or the kJ used to fuel a car. Students use the heat of combustion of sugar and fat to determine the energy needed by the body. This worksheet has 1 short...
Curated OER
Titration and Molarity
Students investigate the concept of molarity and its relationship to the concentration of a solution. After mixing chemical solutions, they calculate how many moles of acid and base should be in each solution. They record their results...
Curated OER
Pounds of Pollution
Students examine pollutants and investigate air pollution emitted by a car in a year. In this air pollution lesson plan students complete an activity and make calculations.
Curated OER
Iron Filings
Students 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...
Curated OER
Concentrations of Solutions
Students solve problems involving the molarity of a solution. In this solutions lesson plan students calculate the molarity and mole fraction of a solution and solve problems involving mass and volume.
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, students must determine the overall change in entropy for each.
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 instructional activity of the series, learners conduct an experiment, demonstrating the...
Curated OER
Mass-Mass Relationships
Students investigate mass-mass relationships using potassium carbonate and hydrochloric acid. In this mass-mass relationship lesson plan, students measure a certain amount of potassium carbonate and determine how much hydrochloric acid...
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Mass-Mass Relationship
Students 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. Students use the amount of...
Chymist
Empirical Formula of a Compound
Because of the work of John Dalton, we are able to write formulas for compounds. The hands-on experiment has scholars prepare a compound from its elements. Using mass data, individuals write the empirical formula for the compound.
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
Electrochemistry Test Review
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...