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Curated OER
Stoichiometry Problems
In this stoichiometry worksheet, students practice calculating mass or volume for specific chemical reactions. This worksheet has 5 problems to solve.
Curated OER
Chemical Stoichiometry Problems
In this stoichiometry worksheet, students calculate theoretical yield and percent yield. This worksheet has 2 problems to solve.
Chymist
Plop, Plop, Fizz, Fizz
One of the most recognizable commercial melodies was written in 1977, and led to gastronomical relief around the world. Scholars use Alka Seltzer tablets to measure reactants and calculate the chemical equation for the reaction of NaHCO3...
Curated OER
Stoichiometry
For this stoichiometry worksheet, students practice calculating moles, molarity, and the concentration of a solution in molarity. This worksheet has 12 multiple choice questions and 3 problems to solve.
Curated OER
Molarity Worksheet
In this molarity worksheet, students fill in unknowns such as mass of solute, moles of solute, volume of solution and molarity of solution in a chart with given solvents. They also calculate the molarity of solutions in other problems.
Curated OER
Acid and Base Problems
In this acid and base instructional activity, students use seven steps to calculate concentrations of ions in acidic and basic solutions. They also determine the type of acid or base.
Curated OER
AP Chemistry-Gas Law Practice
In this gas worksheet, students find pressures, partial pressures, volumes, temperatures and number of moles of gases using the various gas laws.
Curated OER
Mini Rockets
Learners explore gases. In this chemical energy instructional activity, students will observer chemical reactions and infer a conclusion about reaction producing gasses.
Curated OER
Back Titrations
In this chemistry worksheet, learners calculate the titrations of various types of chemistry problems. The questions include background information.
Curated OER
Estimating Errors in Chemistry
Estimating Errors in Chemistry is a detailed handout that illustrates the importance of calculating the percent error when working in the chemistry lab. There are no actual problems to solve, just notes and examples of calculations. Hand...
Curated OER
Chemical Equations
In this chemical equations worksheet, students determine the empirical formulas for chemical compounds and balance chemical equations. This worksheet has 1 fill in the blank question and 4 problems to solve.
Curated OER
Determination of Equivalent Weight of an Acid
In this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Creative Chemistry
Thermometric Titration
For this thermometric titration learning exercise, students titrate hydrochloric acid with sodium hydroxide to determine its concentration. They measured the solution's change in temperature, plotted their data, and used the graph to...
Curated OER
Calorimetry Exercises
In this calorimetry worksheet, students determine the specific heat and the heat of neutralization in the 2 problems they solve.
Chemistry Collective
Chem Collective: Textbook Style Limiting Reagents Problems
Textbook-style practice limiting reagent exercises with that can be used as a way to "predict and check" your answers using the virtual lab.
Chemistry Collective
Chem Collective: Textbook Style Limiting Reagents Problem Ii
In this activity, students practice with experiments involving limiting reagents and the test their knowledge to determine the concentration of an unknown solution.
Khan Academy
Khan Academy: Limiting Reagents and Percent Yield
How to determine the limiting reagent, and using stoichiometry to calculate the theoretical and percent yield.
University of Waterloo (Canada)
University of Waterloo: Excess and Limiting Reagents
Very good site which gives an explanation, example and skill building questions over limiting reagents.
Frostburg State University
Frostburg State University: Limiting Reagents
Middle of a slide show on stoichiometry that shows a nice graphical look and example of limiting reagents.
Frostburg State University
General Chemistry Online: Limiting Reactant Problem
Explains the essence of limiting reactant problems using a sample problem: How can an amount of product (KNO3) be predicted from amounts for two reactants (KCl and HNO3)? Shows the work and explains how to solve these types of problems.
Chemistry Collective
Chem Collective: Predicting Dna Concentration
In this limiting reagents problem, students are given specific concentrations of DNA solutions and are asked to predict what products and reactants will remain after a specific volumes are mixed and reaction has occurred.
Chemistry Collective
Chem Collective: Determining Reactants and Products in a Solution of Dna
In this limiting reagents problem, students are given specific concentrations of DNA solutions and are asked to predict what products and reactants will remain after a specific volumes are mixed and reaction has occurred.
Chemistry Collective
Chem Collective: Determine the Concentration of Unknown Silver Nitrate Solution
In this limiting reagents problem, students are asked to determine the amount of silver nitrate dissolved in a solution by performing a reaction with solid NaCl. In this randomized activity, each student is given a different unknown...
Chemistry Collective
Chem Collective: Chemical Remediation of Arsenic
In this problem, students determine the limiting reagent in a reaction involving the remediation of arsenic from drinking water.