# Classroom Resources: Reactions & Stoichiometry

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1 – 25 of 27 Classroom Resources

• Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant | High School

### Access is an AACT member benefit. Lesson Plan: A Scaffold Approach to Teaching Stoichiometry

In this lesson, students will learn the basics of stoichiometry including determining the amount of reactant needed or product produced, determining the limiting reactant and finally determining percent yield. Additionally they will design their own stoichiometry lab and interpret their collected results.

• Balancing Equations, Stoichiometry, Limiting Reactant | High School

### Access is an AACT member benefit. Activity: Farfalle Stoichiometry

In this activity, students will use a hands-on manipulative (pasta) to represent the stoichiometric relationships in a compound and in a balanced equation. They will determine the limiting reactant for a given amount of two reactants and they will identify the excess reactant. In the extension exercise, students will balance the equations that are used in the production of ammonia, a common chemical fertilizer.

• Balancing Equations, Percent Yield, Stoichiometry, Conservation of Mass, Classification of Reactions, Limiting Reactant, Dimensional Analysis | High School

### Lesson Plan: Stoichiometry Unit Plan

The AACT high school classroom resource library 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 concepts of stoichiometry and limiting reactants to your students.

• Naming Compounds, Molecular Formula, Covalent Bonding, Ionic Bonding, Stoichiometry, Classification of Reactions, Limiting Reactant | High School

### Access is an AACT member benefit. Activity: Isn't it Ionic

In this activity students will form ionic compounds and covalent compounds using clues and questions. Students are going to then develop their own stoichiometric problems and have other groups attempt to solve it.

• Acid Base Reactions, Stoichiometry, Limiting Reactant | High School

### Access is an AACT member benefit. Lab: Fizzy Drink

In this lab, students will learn the properties of acid and bases while applying the principles of stoichiometry to calculate the amount of base needed to neutralize an acid completely and produce a bubbly drink.

• Conservation of Mass, Limiting Reactant, Chemical Change | High School

### Access is an AACT member benefit. Demonstration: Understanding 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 balloons. 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.

• 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.

• 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**

• Limiting Reactant | 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.

• Percent Yield, Limiting Reactant | 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.

• Limiting Reactant | 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.

• Limiting Reactant | High School

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

In this lab, students will understand what is meant by the term, "limiting reactant" and be able to identify the limiting reactant in a non-chemistry situation.

• 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.

• Percent Yield, Limiting Reactant | 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.

• Molarity, Stoichiometry, Limiting Reactant, Chemical Change, Calorimetry, Temperature, Exothermic & Endothermic | 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.

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

### Access is an AACT member benefit. Activity: Kinesthetic Reactions

In this lesson students, through their physical movement, will model the law of conservation of mass during a chemical reaction. Students will also explore the concepts of limiting and excess reactants as well as balancing a chemical equation. Through this activity they also develop a means of representing particles at the molecular level.

• Conservation of Mass, Limiting Reactant, Chemical Change | 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.

• Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis | 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.

• Balancing Equations, Limiting Reactant | 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, Mole Concept, Chemical Change, Dimensional Analysis | High School

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

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

• 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 lime water (calcium hydroxide).

• Percent Yield, Limiting Reactant | High School

### Access is an AACT member benefit. Activity: Cookie Stoichiometry

In this activity, students use a chocolate chip cookie recipe to answer questions related to stoichiometry, percent yield, and limiting reactants.

• Acid Base Reactions, Limiting Reactant | High School

### Access is an AACT member benefit. Lab: Acid/Base Stoichiometry

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.

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Subtopics: Limiting Reactant