Curated OER
A Solution for Moles
Students calculate the concentration of different solutions. In this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.
Curated OER
Don’t be a Stoic about Stoichiometry
Students review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry in the...
Merck KGaA (Darmstadt, Germany)
EMD PTE
You can't tell by the title, but this is a functional periodic table of elements. Incorporating bright colors, lucid text, and easily operated features, this application serves as a valuable reference tool for your chemistry class.
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.
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions...
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
Chemistry Midterm Topic Review
In this chemistry review worksheet, learners answer and solve 95 questions about chemical reactions, hydrocarbons, functional groups, moles, acids and bases and solutions.
Curated OER
Graham's Law Of Diffusion
Students demonstrate Graham's Law by observing a gaseous diffusion. After a lecture/demo, students perform an experiment then complete a write up activity which is imbedded in this plan to reinforce what they have observed during the...
Curated OER
Stoichiometry
In this stoichiometry instructional activity, learners 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...
Curated OER
Teaching about Increased Conductivity: Are Culverts The Culprits?
High schoolers encounter the complexity of identifying the cause of unusual variations in WOW conductivity data. They propose theories on why there was a sudden increase in conductivity in Ice Lake, Minnesota during July of 1998.
Curated OER
Combustion Analysis Worksheet
In this combustion activity, students are given directions as to how to analyze a combustion reaction and they then solve five problems using this process.
Curated OER
AP Chemistry Thermochemistry 2
In this thermochemistry worksheet, students solve a variety of problems including finding heats or reactions, determining specific heats of substances, finding the amount of energy released in a calorimeter determining the final...
Curated OER
Stoichiometry
Students research chemical formulas and balance chemical equations. In this chemical equations lesson students complete a class activity on chemical equations and answer questions.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Molar Mass Conversion Factors
Read how to use molar mass equations to find conversion factors and molecular compounds. View several examples using given formulas for molar mass.
Environmental Chemistry
Environmental chemistry.com: Molar Mass Calculations
Provides a definition for both mole and molar mass and gives a step-by-step example problem to work through that shows how to compute molar mass. Also has a a molar mass calculator in which you can practice problems on.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Relating Mass to Number of Particles: Audio Book
This slide and audio book shows how to relate mass to a number of particles by using many formulas, examples, and real life scenarios. View the weighted average calculations, Avogadro's number, the atomic mass of carbon, and molar mass.
CK-12 Foundation
Ck 12: Stoichiometric Calculations
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will learn to calculate the amount in moles of a reactant or product from the mass of another reactant or product. They...
CK-12 Foundation
Ck 12: Stoichiometric Calculations
[Free Registration/Login may be required to access all resource tools.] Based on the balanced chemical equation, students will calculate the masses or moles of reactants or products generated in a given reaction. They will also convert...
Crescent Public Schools
The Internet Science Room: Formula Mass Calculations
This chemistry tutorial helps students understand that formula mass is the total of all the atomic masses of a chemical formula.
CK-12 Foundation
Ck 12: Chemistry Simulation: Mole Carnival
[Free Registration/Login Required] In the mole carnival, students count the number of atoms and particles in different objects found at the carnival. As students work to find the number of particles, they practice counting particles by...
CK-12 Foundation
Ck 12: Percent Composition and Empirical & Molecular Formulas
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn to calculate the percent composition of a compound either from mass data or from the chemical formula. They will use...
CK-12 Foundation
Ck 12: The Mole Concept
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will identify three methods for measuring the amount of matter in a sample. They will define the mole and its relationship...
CK-12 Foundation
Ck 12: Gas Mixtures and Molecular Speeds
[Free Registration/Login may be required to access all resource tools.] The following online tutorial helps students use Dalton's Law and mole fraction to calculate the partial pressure of a gas in a mixture. They will learn to calculate...
CK-12 Foundation
Ck 12: Ideal Gases and Gas Stoichiometry
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will learn the Ideal Gas Law, and know which of the different values for the ideal gas constant to use in a given...