BiologyWise
Biology Wise: Balanced Photosynthesis Equation
Explains how to balance the equation for the chemical reaction that takes place in chloroplasts during photosynthesis.
Science Education Resource Center at Carleton College
Serc: How Big Is the Balloon?
A chemistry lab where students investigate limiting reagents and balanced chemical equations. A simple experiment that gives students a physical example of what limiting reactant means.
Science Education Resource Center at Carleton College
Serc: Lab: Conservation of Mass
This lab experiment shows students that mass is not gained or lost during a chemical reaction. Lab also includes a set of lab questions that requires students to balance the chemical equation for the reaction that occurs in this lab.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Oxidation Reduction Reactions [Pdf]
Read about how oxidation-reductions affect our everyday lives. View how atoms, molecules, and ions are reduced during the oxidation-reduction process. Learn how some of the normal chemical reactions in the body can change DNA. Use the...
Cosmo Learning
Cosmo Learning: Junior Chemistry With Chemguy
A collection of video lectures to teach junior high students topics in chemistry. Lectures cover topics in understanding the periodic table, compounds, chemical bonding, Avogadro's number, balancing chemical equations, stoichiometry,...
CK-12 Foundation
Ck 12: Mole Ratios
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will relate balanced chemical equations to everyday analogies, such as a recipe. They will also define stoichiometry and use mole...
Educaplus (Jesús Peñas Cano)
Educaplus: Ajuste De Reacciones [In Spanish]
Practice how to balance simple chemical reactions.
Alabama Learning Exchange
Alex: Equilibrium Constants
This lesson is meant to give an introduction of equilibrium constant expressions to the students. They are given balanced chemical equations and then asked to write the equilibrium constant expressions for them. The students will be...
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...
Utah Education Network
Uen: Reactions!
Students use colored marshmallows (representing atoms) to construct compounds and arrange them into a balanced chemical equation.
Other
Chem Team: Stoichiometry: Volume Volume Stoichiometry
Understand volume-volume stoichiometry with these volume-based example problems worked with solutions and explanations.
ClassFlow
Class Flow: Rates of Change
[Free Registration/Login Required] This is part 4 of a 4 part series to include the nature of chemical reactions, reaction types, and balancing chemical equations.
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...
Georgia Department of Education
Ga Virtual Learning: Chemistry: Stoichiometry
Through informational text, interactive practice problems, video clips, and real-world application, students are introduced to the science of Stoichiometry.
Texas Education Agency
Texas Gateway: Conservation of Mass It's the Law!
This resource includes videos, interactives, and additional resources to help students understand the law of conservation of mass and how to balance chemical equations.
Chem Tutor
Chem Tutor: Basic Stiochiometry
Detailed discussion of stoichiometry, mols, and percents. Includes examples showing dimensional analysis (factor-lable method) and a link to the mole road map (a diagram which leads one through the stoichiometric problem-solving process).
Chem Tutor
Chem Tutor: Single Replacement Reactions
Information and examples on single and double replacement reactions, also called single displacement, single substitution, or activity replacement and double displacement, or metathesis. Practice problems with answers are available.