CK-12 Foundation
Ck 12: Plix Series: Limiting Reactant
[Free Registration/Login Required] Using atoms from a reactants pool, construct products of an equation shown and place them in the product pool. Then answer a challenge question about the topic.
Frostburg State University
General Chemistry Online: Limiting Reactant Problem
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.
American Chemical Society
Middle School Chemistry: Controlling Amount of Products in a Chemical Reaction
Students analyze the chemical equation for the reaction between vinegar and baking soda. They observe that the gas produced in the reaction is also part of the products of the written chemical equation.
Chemistry Collective
Chem Collective: Stoichiometry and Solution Preparation Problem
In this limiting reagents problem, students mix together solutions in different ratios in an attempt to produce a final solution that contains only 1 product.
Concord Consortium
The Concord Consortium: Molecular Workbench: Seeing Chemical Equilibrium
Observe a visual representation of the equilibrium of products and reactants in chemical reactions. Record data while the reactions are taking place and print out a report afterwards.
Sophia Learning
Sophia: Limiting Reactant Definition: Lesson 2
This lesson will define a limiting reactant and its significance as well as the term "in excess". It is 2 of 2 in the series titled "Limiting Reactant Definition."
Sophia Learning
Sophia: Limiting Reactant Definition: Lesson 1
This lesson will define a limiting reactant and its significance as well as the term "in excess". It is 1 of 2 in the series titled "Limiting Reactant Definition."
BioMan Biology
Bio Man Biology: Respiration and Photosynthesis Quizzes
A multiple-choice quiz on the processes of respiration and photosynthesis in plants.
Other
Science Alive: Chemical Reactions and How You Know When You've Made Something
In this activity, young scholars carry out a chemical reaction in which two reactants (baking soda and hydrochloric acid) produce three products (sodium chloride, carbon dioxide gas, and water) and determine that the solid product...
Alabama Learning Exchange
Alex: Types of Chemical Reactions and Predicting Products
The guided inquiry activity enables young scholars to identify the five basic types of reactions - synthesis or composition, decomposition, combustion, single replacement and double replacement. Students will also begin to predict the...
CK-12 Foundation
Ck 12: Plix: Chemical Formulas and Symbols: Reactants and Products
[Free Registration/Login Required] Drag the atoms from the table to create chemical formulas. You will need a sign-in to access this media, but it will be well worth your time!
Shodor Education Foundation
Shodor: Enthalpy and Gibbs Free Energy Calculator
Interactive calculator that allows you to input reactants and products of a reaction and calculate the change in enthalpy and Gibbs Free Energy for the reaction.
Texas Instruments
Texas Instruments: Conductimetric Titration & Gravimetric Determination
Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the...
BBC
Bbc: Gcse Bitesize: Chemical Calculations
You should be able to calculate the masses of reactants and products from balanced equations, and the formula of a compound from information about reacting masses.
Other
On Line Study Guide/reaction Rates and Equilbrium
Here's a full and understandable discussion of Reaction Rates and Equilibrium.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Equilibrium Pressure of Reactants and Products
Learn about the equilibrium pressures of chemical reactions. Follow the general steps used in calculating the pressures, and see some examples. Also find links to tutorials, presentation, and animations about other chemistry topics.
CK-12 Foundation
Ck 12: Mole Ratios
[Free Registration/Login may be required to access all resource tools.] In this learning module, students will learn how to calculate and account for the amounts of reactants and products in a given chemical reaction.
Khan Academy
Khan Academy: The Equilibrium Constant K
Reversible reactions, equilibrium, and the equilibrium constant K. Learn how to calculate K, and how to use K to determine if a reaction strongly favors products or reactants at equilibrium.
American Chemical Society
Middle School Chemistry: Lesson Plans: What Is a Chemical Reaction?
After observing a demonstration of a chemical reaction between a burning candle and the oxygen in the air, young scholars use atom model cut-outs to model the reaction and see that all the atoms in the reactants show up in the products.
TeachEngineering
Teach Engineering: Reaction Exposed: The Big Chill!
Students investigate the endothermic reaction involving citric acid, sodium bicarbonate and water to produce carbon dioxide, water and sodium citrate. In the presence of water [H2O]; citric acid [C6H8O7] and sodium bicarbonate [NaHCO3]...
Other
Chemical Reax/exothermic Reactions
A wonderfully complete primer on exothermic reactions in the context of chemical spills. Covers Reactions with Air or Water, Combustible Organics, Polymerization Reax, Decomposition, Corrosion, and much much more.
Chem4kids
Chem4 Kids: Stoichiometry
This site provides a great overview of stoichiometry, the part of chemistry that studies amounts of substances that are involved in reactions. Content focuses on what you measure, and includes two examples.
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...
University of Oxford (UK)
University of Oxford: Named Organic Reactions: An Interactive Guide
Discover types of organic reactions. Explore by reactants and products. Use the interactive portion of this module to draw mechanisms associated with these reactions.