# Classroom Resources: Reactions & Stoichiometry

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26 – 50 of 62 Classroom Resources

• Stoichiometry, Limiting Reactant, Dimensional Analysis | High School

### Access is an AACT member benefit. Lesson Plan: Map to Solving Limiting Reactant Problems

In this lesson, students will learn how to follow a step-by-step problem solving method for limiting reactant stoichiometry problems. This method can be particularly beneficial for students who struggle with completing these calculations.

• Balancing Equations, Stoichiometry, Dimensional Analysis | High School

### Access is an AACT member benefit. Lesson Plan: Stoichiometry of Air Bags

In this lesson, students will be introduced to the concept of gram to gram stoichiometry calculations. Students will be guided through a scenario regarding air bags and will be tasked with calculating the amount of gas (NaN3) that must be used to inflate a vehicle air bag to the correct size. Follow-up practice problems are also provided.

• Stoichiometry, Conservation of Mass, Limiting Reactant, Mole Concept | High School

### Access is an AACT member benefit. Animation: Limiting Reactant Animation

In this animation, students will visualize on the particulate level what happens in a limiting reactant problem. A number of limiting reactant scenarios are animated, including a simple example of how to build a bike to introduce the concept of limiting reactant. Conservation of mass is also demonstrated by calculating masses from the mole quantities of the reactants and products. **This video has no audio**

• Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Scientific Method | High School

### Access is an AACT member benefit. Lab: Limiting Reactants in Brownies

In this lesson, students will investigate the idea of limiting reactant using a brownie recipe.

• Observations, Separating Mixtures, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Measurements, Error Analysis, Error Analysis | High School

### Access is an AACT member benefit. Lab: Limiting Reactant Lab

In this lab, students react copper(II) chloride with aluminum to determine the limiting reactant. They then isolate one product to determine their percent yield.

• Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Chemical Change, Dimensional Analysis, Acid Base Reactions, Error Analysis, pH | High School

### Access is an AACT member benefit. Lab: Limiting Reactant in a Balloon

In this lab, students perform a reaction between acetic acid and sodium bicarbonate and determine the amount of product formed and the limiting reactant.

• Observations, Balancing Equations, Stoichiometry, Limiting Reactant | High School

### Access is an AACT member benefit. Lesson Plan: Limiting Reactant

This lesson is intended to be used as an introduction to the concept of limiting reactants.

• Observations, Separating Mixtures, Solubility, Concentration, Precipitate, Identifying an Unknown, Molarity, Net Ionic Equation, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Graphing | High School

### Access is an AACT member benefit. Lab: White Lab

In this lab, students use molarity concepts to review limiting reactant concepts mathematically, conceptually, and graphically. They can then carry out a follow up investigation to identify an unknown using concepts learned in the first investigation.

• Balancing Equations, Stoichiometry, Conservation of Mass, Limiting Reactant | High School

### Access is an AACT member benefit. Activity: Limiting Reactants using Particulate Diagrams

In this activity, students will gain practice drawing particulate diagrams to demonstrate stoichiometry and limiting reactants.

• Concentration, Molarity, Stoichiometry, Limiting Reactant, Chemical Change, Exothermic & Endothermic, Calorimetry, Heat, Temperature, Scientific Method, Enthalpy, Experimental Design | High School

### Lab: Less Than Zero

In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2-M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

• Gas Laws, Catalysts, Combustion, Stoichiometry, Limiting Reactant, Enthalpy, Activation Energy, Energy Diagrams, Experimental Design | High School

### Access is an AACT member benefit. Lab: Launching Rockets

In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.

• Concentration, Molarity, Balancing Equations, Stoichiometry, Mole Concept, Dimensional Analysis, Saturated/Unsaturated/Supersaturated | High School

### Access is an AACT member benefit. Lab: Kool-Aid

In this lab, students calculate grams of Kool-Aid powder required to make 3 different solutions of Kool-Aid (using the molar mass of sugar) with the following concentrations: 0.2 M, 0.5 M, and 1.0 M. Determine the concentration of properly prepared Kool-Aid through a taste test.

• Concentration, Chemical Change, Molarity, Balancing Equations, Stoichiometry, Titrations, Indicators, Dimensional Analysis, Measurements, Acid Base Reactions, Error Analysis | High School

### Access is an AACT member benefit. Lab: Vinegar Quality Control

In this lab, students will perform a titration of a vinegar sample to determine if it is it close to the concentration claimed on the bottle.

• Observations, Inferences, Chemical Change, Stoichiometry, Conservation of Mass, Limiting Reactant, Chemical Change, Exothermic & Endothermic | High School

### Access is an AACT member benefit. Demonstration: Introducing Limiting Reactants

In this demonstration, the teacher will perform a series of reactions between acetic acid--vinegar-- and varying amounts of sodium bicarbonate --baking soda--in order to inflate several Ziploc bags. Students will observe the reactions and analyze the quantities of reactants used as well as the results in order to understand the concept of limiting reactants. Students will also determine if the reaction is an endothermic or exothermic process based on their observations.

• Gas Laws, Percent Yield, Stoichiometry, Dimensional Analysis, Measurements, Error Analysis | High School

### Access is an AACT member benefit. Lab: Ideal Gas Law

In this lab, students use the reaction of an antacid table with water to inflate a balloon. They then use the ideal gas law to determine the number of moles of gas produced by the reaction.

• Density, Gas Laws, Density, Pressure, Temperature, Chemical Change, Balancing Equations, Stoichiometry, Chemical Change, Kinetic Molecular Theory, Dimensional Analysis, Ideal Gas, Volume, Graphing | High School

### Lesson Plan: The Gas Laws Unit Plan

The AACT high school classroom resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach the Gas Laws to your students.

• Concentration, Interdisciplinary, Review, Identifying an Unknown, Culminating Project, Molarity, Balancing Equations, Stoichiometry, Classification of Reactions, Scientific Method, Experimental Design | High School

### Access is an AACT member benefit. Lab: The Culminating Unknown

In this lab, students identify an unknown from a list of 12 possible compounds by designing a procedure and using evidence to prove their claim. They must draw from knowledge gained throughout the year to properly develop a procedure to identify the unknown.

• Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Molar Mass | High School

### Activity: Sweet Stoichiometry Reactions

In this activity, students will use candy to investigate stoichiometry and mole-gram relationships in chemical equations, but could also be used to introduce the concept of limiting reactants.

• Stoichiometry, Mole Concept, Dimensional Analysis | High School

### Access is an AACT member benefit. Lesson Plan: How to do Stoichiometry Problems

In this lesson, students learn templates for performing stoichiometry problems. They then put the methods to the test with a practice worksheet.

• Gas Laws, Concentration, Molarity, Stoichiometry, Electrolysis, Mole Concept, Dimensional Analysis, Ideal Gas, Electrons | High School

### Access is an AACT member benefit. Lesson Plan: Stoichiometry Set-up Method

In this lesson, students will learn how to follow a process of visual cues in combination with a step-by-step problem solving method for different types of stoichiometric problems. This method can be particularly beneficial for students who struggle with completing multi-step calculations.

• Solute & Solvent, Concentration, Molarity, Stoichiometry, Mole Concept, Dimensional Analysis, Tyndall Effect | High School

### Access is an AACT member benefit. Activity: Solubility & Solutions

In this inquiry activity, students investigate types of solutions, identifying the solute and solvent, and classifying each solution. They them solve stoichiometry problems involving solutions of different concentrations.

• Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Measurements | High School

### Access is an AACT member benefit. Activity: S'more Stoichiometry

In this activity, students determine the number of graham crackers and chocolate pieces required to complete a “reaction” with a given quantity of marshmallows (the limiting reactant). They then use the same thought process with a problem involving a real chemical reaction.

• Concentration, Molarity, Percent Yield, Stoichiometry, Classification of Reactions, Limiting Reactant, Chemical Change, Mole Concept, Dimensional Analysis | High School

### Access is an AACT member benefit. Demonstration: First Day Review

In this demonstration, students see evidence of a chemical reaction.

• Law of Definite Proportions, Molecular Formula, Stoichiometry, Classification of Reactions, Mole Concept, Dimensional Analysis | High School

### Access is an AACT member benefit. Lab: Finding the Formula of Magnesium Oxide

In this lab, students will recognize that oxygen has mass and that heating can involve and increase in mass as an element reacts to become an oxide

• Concentration, Precipitate, Net Ionic Equation, Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis | High School

### Access is an AACT member benefit. Lab: Finding CO2 Mass in your Breath

In this lab, students will measure how much carbon dioxide they exhale by reacting their exhaled breath with limewater (calcium hydroxide solution). Students will practice writing balanced equations and completing mass-to-mass stoichiometric calculations.

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Subtopics: Stoichiometry

Grade Level: High School