Curated OER
Physical vs. Chemical Changes and "The Code"
In this chemical and physical change worksheet, students read about the differences between substances going through physical changes vs. chemical changes. They are given examples of each and evidence to look for in chemical changes....
Curated OER
Another Balancing Equations Sheet
For this reactions worksheet, students balance the reactants and products for the given chemical reactions. This worksheet has 15 problems to solve.
Curated OER
Writing the Complete Equation
In this writing equations worksheet, students are given 6 chemical reactions and they write equations for each one including the reactants, the products and the states of matter.
Curated OER
Balancing Chemical Equations
In this balancing chemical reactions activity, students fill in the proper coefficients in front of the reactants and products of 20 equations to balance each given chemical equation.
Curated OER
2001 U.S. National Chemistry Olympiad - Local Section Exam
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Curated OER
Module 7 Revision Guide - Chemistry
Two versions of this handout are provided, the second with more detailed information on the same topics. Chemistry aces survey chemical reactions, heat energy transferred, and the action of enzymes by reading this resource. You can...
Curated OER
Chemical Equations
Wow! This comprehensive collection of slides will walk your chemistry class through the foundation of chemical reactions, teach them to balance equations, differentiate types of reactions, and calculate stoichiometry problems. This will...
Curated OER
Chemistry 116 Exam 2 Summer 2009
Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...
LABScI
Stoichiometry: Baking Soda and Vinegar Reactions
Examine the concept of stoichiometry using common household products. Scholars perform chemical reactions and measure the reactants and products. They compare their measurements to predictions made from the chemical equations.
Chemistry Collective
Virtual Lab: Stoichiometry and Solution Preparation Problem
Wow your classes with lesson that has a little of this and a little of that! Young chemists test their stoichiometry skills using a virtual laboratory setup. Using reaction information, they work to create a chemical reaction in which...
Curated OER
Equilibrium Review Sheet
For this equilibrium worksheet, learners answer 5 questions about reactions reaching equilibrium, the concentration of the products and reactants when they reach equilibrium, and the effects of temperature changes, quantities of...
Curated OER
Approaching Equilibrium
Contrary to a common popular belief, equilibrium does not mean a reaction has stopped. An interesting presentation covers reactant concentrations and product concentrations. It describes the equilibrium as when the forward rate equals...
Curated OER
Mass-Mass Relationships
Students investigate mass-mass relationships using potassium carbonate and hydrochloric acid. In this mass-mass relationship lesson plan, students measure a certain amount of potassium carbonate and determine how much hydrochloric acid...
Curated OER
Mass-Mass Relationship
Students investigate mass-mass relationships in the lab. In this mass-mass relationship lesson plan, students mix sodium carbonate with hydrochloric acid to produce sodium chloride, water and carbon dioxide. Students use the amount of...
Curated OER
Chemical changes
After recapping some of the basic terms used in reactions, this PowerPoint will be useful to your class by demonstrating some examples of forming equations.
Virginia Department of Education
Predicting Products and Writing Equations
A chemistry lesson presents 14 chemical reactions for scholars to observe, write the equation, and balance the equations. Additionally, it provides ways to extend the activity as it relates to catalysts.
Curated OER
Chemistry Practice
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
Concord Consortium
Chain Reaction Between Hydrogen and Oxygen
Looking for a simple way to teach conservation of energy in chemical reactions? Pupils can observe energy changes as water forms during a chain reaction between oxygen and hydrogen using an interactive. The resource instructs users to...
Curated OER
Stoichiometry
In this stoichiometry activity, students balance equations and name the reactants and products. This activity has 2 problems to solve.
Curated OER
Balancing Chemical Reactions 2
In this balancing chemical reactions worksheet, learners balance equations, identify electrons gained or lost in atoms and identify the number of atoms of each element for the reactants and products in equations. They also answer 3...
Curated OER
Observations & Chemical Reactions
Learners conduct a series of experiments in which they explore chemical reactions. They detect chemical changes by observing how physical properties change when two different chemicals are combined. They list and describe the reactants...
Curated OER
Equilibrium Equations
In this chemical reactions activity, students calculate the equilibrium constant for given reactions. Students decide if reactions are homogeneous or heterogeneous and if the equilibrium favors reactants or products. This activity has 4...
Curated OER
Mass/Mass Problems
In this mass worksheet, students calculate how much of any product will form from a given amount of reactant. This worksheet has 7 problems to solve.