Curated OER
Molarity and Stoichiometry
In this molarity worksheet, students apply the definition of molarity to the given balanced equations. This worksheet has 4 problems to solve.
Curated OER
Gas Law Stoichiometry
In this stoichiometry activity, students apply the gas law to determine the percent yield and the limiting reagent for the given reaction. This activity has 4 problems to solve.
Curated OER
Stoichiometry Homework
In this stoichiometry worksheet, students determine how much reactants are necessary to complete the given chemical reactions. This worksheet has 4 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.
Curated OER
Chemistry II Enthalpy Worksheet
In this enthalpy equation instructional activity, students are given 3 examples of chemical reactions. Students then respond to 4 practice problems and 1 challenge problem in regard to heat and energy change and release.
Curated OER
Unit 2 Quantities Review
In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
Virginia Department of Education
Moles Lab Activities
Want my name and number? It's 6.0221415 times 10 to the 23rd, and my name is Avogadro. Providing nine different activities, experiments, and labs, this lesson plan keeps Avogadro relevant to your class all year long.
Curated OER
Classes of Reactions
Show your chemistry class a graphic organizer classifying the types of chemical reactions. A few additional slides are included on the formation of magnesium chloride, the production of methanol, and a diagram of a mixture of molecules....
Curated OER
Grossmont College - Chem 115 Practice Exam 2
Here is a straightforward practice test for first year chemistry learners. Responders balance equations, identify types of reactions, represent electron configurations, and solve stoichiometry problems. Keep this handy to use as...
Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The instructional activity starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later...
Pingry School
Mole Relationship in a Chemical Reaction
What do budding scientists know about moles and reactions? Using an attention-grabbing lab experiment, young scholars collect data to apply the law of conservation of mass to predict the mass of gaseous products. They examine several...
Cornell University
Hydrophobic Surfaces—Deposition and Analysis
Couches, carpets, and even computer keyboards now advertise they are spill-resistant, but what does that mean? Scholars use physical and chemical methods to coat surfaces with thin films to test their hydrophobic properties. Then they...
Curated OER
Quantitative Problems (Mass)
For this chemistry worksheet, students identify how much aluminum and hydrochloric acid is needed to produced a certain amount of hydrogen gas. Then they identify how many grams of oxygen are used.
Curated OER
CheMATHstry That Sticks Right to You
Students find the percent composition of sugar in the gum. In this chemistry lesson plan, students calculate percent error from the experiment. They use dimensional analysis to convert between units.
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
American Chemical Society
Development of Baking Powder
Did you know baking powder can be used to treat acne, whiten teeth, and make sugar cookies? The lesson plan on the development of baking powder is ready-to-go with no preparation required. Through readings, pupils answer questions,...
Curated OER
Chemical Quantities
Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...
Curated OER
Mass To Mass Problems
In this chemistry worksheet, students engage in a series of chemical problems that are associated with comparing mass to mass. The answers are included.
Curated OER
Hydrogen Powered Cars
Students apply the principles of chemistry to investigate the concept of how a hydrogen powered car works. They study the electrochemical reactions that provide the energy source. Students also record observations in the functioning of a...
Curated OER
Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, learners 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...
Teach Engineering
Bridging to Polymers: Thermoset Lab
Investigate thermoset polymers through experimentation. In an effort to determine the strongest, most flexible mixture, groups conduct an experiment on different-ratio epoxy-amine polymers to finish the set of two lessons.
Curated OER
Chemical Reactions
Students work in groups to define chemistry vocabulary including the terms reactants, products, exothermic and endothermic. They then combine the group definitions to arrive at a consensus definition for the class. Students also listen...
Curated OER
The Mole Concept
The need for a counting unit is mentioned as you introduce the mole to your young chemists. Use this presentation to explain Avogadro's number and describe the incredible quantity it represents. Lecture notes are included for most of the...
Curated OER
Excess Reactant
Junior chemists discover how to calculate excess reactants, handle limiting reactants, and determine percent yield. After background information is provided, step-by-step examples are solved. You can use this detailed slide show to teach...