Classroom Resources: Reactions & Stoichiometry
Filter by:
126 – 143 of 143 Classroom Resources
-
Balancing Equations, Chemical Change, Observations | High School, Middle School
Lab: Chemical Reactions & Equations Mark as Favorite (11 Favorites)
In this lesson, students will observe a series of reactions, make observations, and then write balanced chemical equations to chemically describe what they observed.
-
Reversible Reactions, Observations, Chemical Change, Physical Change | High School
Lab: Breath Test Mark as Favorite (0 Favorites)
In this lab, students investigate whether chemical reactions can happen only in one direction, or whether they can be "undone."
-
Stoichiometry, Percent Yield | High School
Lab: Baking Soda Stoichiometry Mark as Favorite (18 Favorites)
In this lab, students will decompose baking soda and use stoichiometry to determine the proper balanced chemical equation of its decomposition.
-
Chemical Change, Identifying an Unknown, Physical Properties, Chemical Properties, Chemical Change | High School
Lab: As Easy as Pie Mark as Favorite (7 Favorites)
In this lab, students will use chemical and physical properties to identify an unknown powder.
-
Percent Composition, Identifying an Unknown, Net Ionic Equation, Atomic Mass | High School
Lab: Analysis of Carbonate Compounds Mark as Favorite (14 Favorites)
In this lab, students identify three unknown substances by measuring the amount of product (CO2) produced by a reaction with hydrochloric acid.
-
Chemical Change, Gas Laws | High School
Project: Air Bag Stoichiometry Mark as Favorite (34 Favorites)
In this lab, students make real-world connections of stoichiometry with the design of car air bags.
-
Limiting Reactant, Acid Base Reactions | High School
Lab: Acid/Base Stoichiometry Mark as Favorite (3 Favorites)
In this lab, students experience a limiting reactant and can physically see the difference in amounts of product generated. They also see which reactant is in excess.
-
Titrations, Limiting Reactant | High School
Lab: Acid-Base Mole Ratio Mark as Favorite (0 Favorites)
In this lab, students study several concepts, including acid-base reactions, limiting reactants, and stoichiometry, by observing the contained reaction of acetic acid (diluted vinegar) with sodium hydrogen carbonate (baking soda) in an unconventional, cost effective titration.
-
Chemical Change, Observations, Exothermic & Endothermic, Temperature, Chemical Change | High School
Lab: Observing a Chemical Reaction Mark as Favorite (4 Favorites)
In this lab, students will practice making careful observations and measurements while witnessing a chemical change.
-
Observations, Combustion, Phase Changes | High School
Lab: Observing a Candle Mark as Favorite (2 Favorites)
In this lab, students accumulate observations of a candle including a look at the combustion reaction's reactants and products.
-
Limiting Reactant, Classification of Reactions | High School
Lab: Mole Relationships in a Single Displacement Reaction Mark as Favorite (10 Favorites)
In this lab, students will carry out a reaction between metallic copper and an aqueous solution of silver nitrate to determine the mole ratio between the reactants and the products and write a balanced equation based on the data.
-
Chemical Change, Combustion, Balancing Equations | High School
Demonstration: Methane Bubble (Dragon Ball Z) Mark as Favorite (2 Favorites)
In this demonstration, students will observe the combustion of methane using hands-on practices.
-
Stoichiometry, Gas Laws | High School
Lesson Plan: Mechanisms and Properties of Airbags Mark as Favorite (9 Favorites)
In this lesson students will learn about the mechanisms and properties of airbags, and examine the choice of airbag inflator from several points of view.
-
Conservation of Mass, Matter | High School
Lab: Matter Matters Mark as Favorite (3 Favorites)
In this lesson, students will investigate the Law of Conservation of Mass.
-
Conservation of Mass, Measurements, Conservation of Mass | High School, Middle School
Lab: Mass & Change Mark as Favorite (5 Favorites)
In this lab, students will use unified particle pictures of solid, liquid, and gas to explain the law of conservation of mass after carrying out various experiments.
-
Chemical Change, Observations, Mixture, Acids & Bases, Chemical Change | Elementary School, Middle School, High School
Demonstration: Inflating a Balloon with Chemistry Mark as Favorite (4 Favorites)
In this demonstration, the teacher will perform a reaction between acetic acid (vinegar) and sodium bicarbonate (baking soda) in order to inflate a balloon and to introduce the concept of a chemical reaction to students. Students will observe the reaction, and identify indicators of chemical change as well as discuss the different types of matter that are involved.
-
Le Châtelier's Principle, Establishing Equilibrium, Reversible Reactions, Reaction Rate | High School
Lab: Dynamic Equilibrium Simulation Mark as Favorite (10 Favorites)
In this lab, students will explore equilibrium using paper clips to mimic a chemical reaction.
-
Balancing Equations, Conservation of Mass | Middle School, High School
Activity: Simulation Activity: Balancing Chemical Equations Mark as Favorite (18 Favorites)
In this activity, students will learn how to count atoms and how to balance chemical equations using a simulation and games from PhET Interactive Simulations.