Classroom Resources: Reactions & Stoichiometry
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Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant  High School
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
Activity: Farfalle Stoichiometry
In this activity, students will use a handson 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.

Gas Laws, Stoichiometry, Mole Concept  High School
Lab: Investigating the SelfInflating Balloon
In this lab, students will investigate the chemical reaction used in the selfinflating balloon. They will apply their knowledge of gas laws and stoichiometry in order to determine the quantities of reactants used to inflate the balloon.

Solubility, Reaction Rate, Balancing Equations, Stoichiometry  High School
Lab: Analyzing the Reaction between Baking Soda and Citric Acid
In this lab, students will examine the reaction between citric acid and baking soda. They will analyze the chemical equation, balance it and calculate needed quantities of each reactant for a complete reaction. Based on their observations, students will determine if all reactants were completely used during the reaction.

Stoichiometry, Beer's Law  High School
Lesson Plan: Aspirin Synthesis and Spectroscopy Analysis
In this lesson, students will synthesize aspirin and analyze the end product using spectroscopy by applying Beer’s Law.

Gas Laws, Stoichiometry, Kinetic Molecular Theory, Ideal Gas, Partial Pressure  High School
Lab: Determination of the Ideal Gas Law Constant
In this lab, students will collect a gas sample over water and use multiple scientific principles including stoichiometry and gas laws to experimentally determine the Ideal Gas Law Constant (R).

Stoichiometry, Mole Concept, Dimensional Analysis  High School
Activity: A Stoichiometry Puzzle
In this activity, students will develop a better understanding of how to set up a stoichiometry problem using dimensional analysis (factor label method). Students will be able to use their prior knowledge of mole conversions and chemical reactions.

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.

Reduction, Stoichiometry, Redox Reaction, Titrations, Oxidation, Half Reactions, Oxidation Number  High School
Lesson Plan: Redox Reactions & Titrations
This lesson students will review oxidation states, halfreactions, balancing reactions and understand how to complete calculations and perform a redox titration.

Balancing Equations, Stoichiometry, Classification of Reactions
Simulation: Chemical Reactions and Stoichiometry
In this simulation, students practice classifying different chemical reactions, balancing equations, and solving stoichiometry problems.

Balancing Equations, Stoichiometry, Classification of Reactions  High School
Activity: Simulation Activity: Chemical Reactions and Stoichiometry
In this simulation, students will participate in a short quiz that challenges their knowledge of three related topics: classification of reaction types, balancing equations and solving stoichiometry problems.

Net Ionic Equation, Balancing Equations, Stoichiometry, Redox Reaction, Classification of Reactions  High School
Lab: Inquiry Redox Investigation
In this lab, students perform a simple redox reaction using an iron nail and copper(II) chloride solution. They will consider both quantitative and qualitative data collected during the reaction in order to attempt to explain what happened. Students will also create particle diagrams and determine mole ratios of various species in the reaction.

Balancing Equations, Combustion, Stoichiometry, Classification of Reactions, Reversible Reactions  High School
Demonstration: Firefighter or Fireball
In this demonstration the teacher will complete two chemical reactions inside of separate balloons that each produces a gas. Students will observe and record data as the teacher attempts to ignite each balloon. This demonstration will help students better understand how to predict products, as well as familiarize them with double replacement and combustion reactions.

Stoichiometry, Mole Concept, Dimensional Analysis  High School
Lesson Plan: Map It Out!
In this lesson, students should be able to use a graphic organizer to help them solve stoichiometry problems. This lesson utilizes the Cornell note format.

Balancing Equations, Combustion, Stoichiometry  High School
Activity: Calculating Your Carbon Footprint
In this lesson, students apply their knowledge of writing and balancing chemical equations and stoichiometry calculations to estimate their carbon footprint. Students are also asked to reflect on their carbon footprint and what it means.

Acid Base Reactions, Stoichiometry, Percent Composition, Titrations, Indicators  High School
Lab: The Eggstraordinary Issue
In this lab students will determine the percent composition of calcium carbonate contained in an eggshell by using a back titration in order to address a farmer’s concerns about his hen’s fragile eggs. Two versions of the student lab are included, a scripted version, and an inquiry version.

Gas Laws, Stoichiometry  High School
Lab: Carbonate Identification
In this lab students use gas laws and stoichiometry, along with some balloons and simple measuring tools, to identify a metal carbonate from a short list of possibilities.

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

Observations, Chemical Change, Conservation of Mass, Stoichiometry, Conservation of Mass, Limiting Reactant, Chemical Change  High School
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.

Stoichiometry, Limiting Reactant, Dimensional Analysis  High School
Lesson Plan: Map to Solving Limiting Reactant Problems
In this lesson, students will learn how to follow a stepbystep 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
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. Followup practice problems are also provided.

Stoichiometry, Conservation of Mass, Limiting Reactant, Mole Concept  High School
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
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
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.