Curated OER
Identifying and Explaining Reactions
Introduce high schoolers to chemical reactions with this series of activities. In a little over an hour, scientists observe four gas-producing reactions: the combination of hydrochloric acid and sodium hydroxide, placing pasta in...
Cornell University
Energy Changes in Chemical Reactions
The heat of solution measures how much thermal energy a dissolving substance consumes or gives off. The experiment demonstrates both endothermic and exothermic reactions. Scholars dissolve several substances, measure the temperature...
Curated OER
A Test-Tube Study of Redox Reactions
Six different redox reactions are set up in the lab by your chemistry class. Inquisitors methodically test each one and eventually order them according to oxidizing strength. This is a neat way to have the learners perform more than one...
Curated OER
Conservation During Chemical Reactions
In this chemical reaction worksheet, students are given the details of an experiment where sodium chloride and silver nitrate are mixed in a chemical reaction. Students answer nine questions about the chemical reaction, they determine...
Curated OER
Thermodynamics: Enthalpy of Reaction and Hess Law
In this thermodynamics worksheet, students calculate the change in enthalpy for several given chemical equations provided. Students specify if the reaction was endothermic or exothermic in nature.
Curated OER
Enthalpy of Reaction and Hess' Law
In this chemical reactions worksheet, young scholars use a standard enthalpy table to find the enthalpy of reaction for list of different fuels. This worksheet has 4 problems to solve.
Curated OER
Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
Santa Monica College
Mole Ratios and Reaction Stoichiometry
Stoichiometry sounds complicated, but it really means the study of the amount of substances involved in a reaction. The sixth lesson plan in an 11-part series has scholars use stoichiometry to find the theoretical yield of a reaction....
Royal Society of Chemistry
Lead Compounds: Precipitation Reactions and Pigments—Microscale Chemistry
Colorful lead compounds never fail to impress! Solubility scholars examine a series of double replacement reactions involving lead nitrate and record their observations. The second part of the experiment illustrates the differences...
Curated OER
Chemistry: Chemical Reaction
In this chemical reactions worksheet, students name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
Curated OER
Chemical Reactions
In this chemical reaction worksheet, students investigate the results of mixing calcium chloride with sodium bicarbonate. They observe the chemical and physical changes that occur, identify the properties of the chemical before and after...
Curated OER
Theoretical Yield and Percent Yield in Chemical Reaction
In this stoichiometry worksheet, learners solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
Curated OER
Kinetics Reactions: The Effect of a Catalyst
High schoolers investigate the effects of a catalyst on an oxidation reaction. In this catalyst lesson plan, students use a catalyst, cobalt chloride for the oxidation reaction of potassium sodium tartrate with hydrogen peroxide. High...
Curated OER
Rates of Reaction: Indigestion Remedies
In this reactions worksheet, learners compare the reaction of two different indigestion tablets with dilute hydrochloric acid and plot the results of loss of mass against time. Then students complete 5 short answer questions.
Curated OER
Chemical Word Equations
For this chemical reaction worksheet, students write a balanced equation for each of the word equations given. This worksheet has 12 problems to solve.
Curated OER
Types of Chemical Reactions
Students conduct labs to gain an overview of chemical reactions. They observe examples of synthesis, decomposition, single displacement and double displacement reactions. They identify certain products by the use of litmus and splint tests.
Curated OER
Exothermic and Endothermic Reactions
Students observe demonstrations of exothermic and endothermic reactions and determine the changes that take place in a chemical reaction. Students observe four demonstrations showing entropy, attraction of molecules due to polarity,...
Curated OER
Chemical Equations
In this chemical equations worksheet, students write the symbols for the products and reactants and then write balanced symbol equations for the 20 chemical reactions given.
Curated OER
Reaction Worksheet
In this chemical reaction worksheet, students write 11 balanced equations for 11 word equations, and complete word equations and balance chemical equations for 13 chemical equations.
Curated OER
Reaction Types and Stoichiometry
In this chemical reactions worksheet, students balance chemical reactions and identify each type of reaction. Students write the net ionic equation for reactions. Students calculate moles and grams of reactants or products. This...
Curated OER
Chemical Reactions
In this reactions worksheet, students write the formula for each reactant and product and then balance the equation. Students have 23 problems to solve.
Curated OER
Factors Affecting Reaction Rate
Students study the collision theory and explain how the rate of a chemical reaction is influenced by the reaction conditions. For this reactions lesson students divide into groups, discuss the factors that influence reaction rate and...
Virginia Department of Education
Mystery Anions
Lost an electron? You should keep an ion them. Young chemists learn qualitative analysis in the second lesson plan of an 11-part chemistry series. After observing reactions of simple salts, the teacher provides pupils with unknown...
Beyond Benign
Stoichiometry Challenge
Have you been searching for environmentally friendly chemistry experiments to use in your high school laboratory? This stoichiometry experiment replaces a conventional aluminum to alum lab by using sodium carbonate and calcium chloride...