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,...
Georgia Department of Education
Ga Virtual Learning: Ap Chemistry: Stoichiometry
Students apply new knowledge of the elements to name and write chemical formulas, write and balance chemical equations, and perform mathematical calculations about the relationships between those chemicals, using a fundamental unit in...
Utah Education Network
Uen: Reactions!
Young scholars use colored marshmallows (representing atoms) to construct compounds and arrange them into a balanced chemical equation.
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...
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.
BiologyWise
Biology Wise: Balanced Photosynthesis Equation
Explains how to balance the equation for the chemical reaction that takes place in chloroplasts during photosynthesis.
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...
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.
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...
CK-12 Foundation
Ck 12: Salt Solutions
[Free Registration/Login may be required to access all resource tools.] Students begin by predicting whether a salt solution is acidic, basic, or neutral, and then practice writing balanced equations for hydrolysis reactions. They also...
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.
Science Education Resource Center at Carleton College
Serc: Le Chatlier's Principle: Determining Color of Nitrogen Dioxide
Students observe the effects of temperature change on the color of nitrogen dioxide and dinitrogen tetroxide by manipulating glass tubes containing the gases at equilibrium. Then, they write a balanced equation for the reaction and...
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.
![Educaplus: Ajuste De Reacciones [In Spanish] Activity](https://content.lessonplanet.com/knovation/original/180041-b5dc8022fa72b33eec67a82a89796a11.jpg?1661774228 "Educaplus: Ajuste De Reacciones [In Spanish] Activity")
Educaplus (Jesús Peñas Cano)
Educaplus: Ajuste De Reacciones [In Spanish]
Practice how to balance simple chemical reactions.