Lesson Plan
Curated OER

Chemistry Practice

For Teachers 10th - 11th
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
Assessment
Curated OER

2007 U.S. National Chemistry Olympiad Part II

For Students 9th - 12th
Eight multi-step chemistry problems, including analyzing a titration, writing equations, predicting products and limiting reagents, calculating concentrations of ions, and using stoichiometry to solve for unknowns in reactions make up...
Worksheet
Curated OER

Unit 2 Quantities Review

For Students 9th - 12th
In this quantities in chemistry activity, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
Worksheet
Curated OER

Estimating Errors in Chemistry

For Students 9th - 12th
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...
Worksheet
Curated OER

Limiting Reagent Worksheet

For Students 9th - 12th
In this chemistry worksheet, students engage in this activity that is focused upon the concept of a reagent. The questions are then answered by the students for review.
Worksheet
Curated OER

Stoichiometry

For Students 10th - Higher Ed
For this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...
Lesson Plan
Curated OER

Back Titrations

For Teachers 11th - 12th
In this chemistry worksheet, learners calculate the titrations of various types of chemistry problems. The questions include background information.
Worksheet
Curated OER

Gas Law Stoichiometry

For Students 10th - Higher Ed
In this stoichiometry worksheet, students apply the gas law to determine the percent yield and the limiting reagent for the given reaction. This worksheet has 4 problems to solve.
Lesson Plan
Curated OER

Determination of Equivalent Weight of an Acid

For Teachers 10th - Higher Ed
In this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Worksheet
Curated OER

Enthalpy and Thermochemistry Problem Set

For Students 10th - Higher Ed
In this thermochemistry worksheet, students answer questions based on the reaction of charcoal and liquid oxygen. Students write a balanced chemical equation, determine the limiting reagent, calculate the mass of each product, and amount...
Worksheet
Curated OER

AP Chemistry-Gas Law Practice

For Students 10th - 12th
In this gas instructional activity, students find pressures, partial pressures, volumes, temperatures and number of moles of gases using the various gas laws.
Worksheet
Curated OER

Chemical Stoichiometry Problems

For Students 10th - Higher Ed
In this stoichiometry worksheet, students calculate theoretical yield and percent yield. This worksheet has 2 problems to solve.
Worksheet
Curated OER

Chemical Equations

For Students Higher Ed
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.
Lab Resource
Creative Chemistry

Thermometric Titration

For Students 10th - 12th
In 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 find...
Unknown Type
Chemistry Collective

Chem Collective: Textbook Style Limiting Reagents Problems

For Students 9th - 10th
Textbook-style practice limiting reagent exercises with that can be used as a way to "predict and check" your answers using the virtual lab.
Activity
Chemistry Collective

Chem Collective: Textbook Style Limiting Reagents Problem Ii

For Students 9th - 10th
In this activity, students practice with experiments involving limiting reagents and the test their knowledge to determine the concentration of an unknown solution.
Article
Khan Academy

Khan Academy: Limiting Reagents and Percent Yield

For Students 9th - 10th
How to determine the limiting reagent, and using stoichiometry to calculate the theoretical and percent yield.
Lesson Plan
Frostburg State University

General Chemistry Online: The Mole Concept

For Students 9th - 10th
Resource provides notes on Moles and Stoichiometry. Deals with all book-keeping aspects, including as section on yields and limiting reactants. Includes lesson plans, lecture slides and notes, links to related websites, and frequently...
Interactive
Chemistry Collective

Chem Collective: Stoichiometry Applet

For Students 9th - 10th
One of the first numerical problems encountered in introductory chemistry is that of "limiting reagents". This applet serves as a supplement to such calculations, providing imagery that helps students see beyond the rote mathematics.
Website
Frostburg State University

General Chemistry Online: Limiting Reactant Problem

For Students 9th - 10th
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.
Activity
Chemistry Collective

Chem Collective: Predicting Dna Concentration

For Students 9th - 10th
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.
Activity
Chemistry Collective

Chem Collective: Determining Reactants and Products in a Solution of Dna

For Students 9th - 10th
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.
Activity
Chemistry Collective

Chem Collective: Determine the Concentration of Unknown Silver Nitrate Solution

For Students 9th - 10th
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...
Online Course
Carnegie Mellon University

Chem Collective: Stoichiometry Bridge Course

For Students 9th - 10th
This is a complete course in chemical stoichiometry, set in a scenario that shows how stoichiometry calculations are used in real-world situations. This course has been designed to not only help you strengthen your skills with...