# Classroom Resources: Reactions & Stoichiometry

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• Balancing Equations, Activity Series, Classification of Reactions, Solubility Rules | High School

### Simulation: Predicting Products

In this simulation, students will reference an activity series and a solubility chart to accurately predict the products of single replacement and double replacement chemical reactions. Associated particle diagrams will be displayed to help students better comprehend the reaction at the particulate level. Students will also be asked to balance the chemical equation. The simulation is designed as a five question quiz for students to use multiple times.

• Balancing Equations, Conservation of Mass | Middle School, High School

### Simulation: Balancing Chemical Equations

The simulation for the September 2014 issue comes from PhET and helps students practice balancing chemical equations. AACT helped fund the conversion of this popular simulation into a format that is compatible with all devices, including iPads. PhET provides teacher’s guides for many of their simulations, and teacher-generated activities that can accompany the simulations.

• 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.

• Concentration, Identifying an Unknown, Molarity, Balancing Equations, Classification of Reactions, Chemical Change | High School

### Lab: An Environmental Impact Study

In this lab, students will test a water sample which comes from a local zoo, where, it is reported that many bird eggs are not hatching. Students will test the water for the presence of multiple ions. Once the type of ion in the water is determined, students will write balanced equations to illustrate their findings. Students will also conduct a serial dilution to determine the concentration, or molarity, of the ion in the water sample. This molarity will be compared to known values to determine if the materials in the water are at an unhealthy level.

• Balancing Equations, Stoichiometry, Limiting Reactant | High School

### 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, Conservation of Mass, Chemical Change | Middle School, High School

### Demonstration: Identifying Chemical Reactions

In this demonstration, students observe a series of teacher led demonstrations to learn how to identify evidence that a chemical reaction has occurred, how to write a word equation to explain a chemical reaction, and how to convert a word equation to a balanced chemical equation.

• Balancing Equations, Molecular Structure , Functional Groups | High School

### Lab: Esterfication

In this lab, students will make at least six esters from different combinations of available organic acids and alcohols. In addition, they will attempt to identify the scent of each ester that is created.

• 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.

• Balancing Equations, Activity Series, Classification of Reactions, Solubility Rules | High School

### Activity: Simulation Activity: Predicting Products

In this simulation, students will reference an activity series and a solubility chart to accurately predict the products of single replacement and double replacement chemical reactions. Associated particle diagrams will be displayed to help students better comprehend the reaction at the particulate level. Students will also be asked to balance the chemical equation. The simulation is designed as a five question quiz for students to use multiple times.

• 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.

• Balancing Equations, Combustion, Conservation of Mass, Classification of Reactions, Reversible Reactions, Chemical Change | High School

### Lesson Plan: Chemical Equations 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 Chemical Equations to your students.

• Balancing Equations, Conservation of Mass | Middle School, High School

### Activity: Balancing Equations with Note Cards

In this activity, students will balance equations and get immediate feedback on whether they are accurate or not while trying to solve a challenge. This activity works best as a review activity after balancing and the law of conservation of matter has been taught.

• 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.

• Balancing Equations, Reduction, Activity Series, Redox Reaction, Chemical Change, Oxidation | High School

### Lesson Plan: Single Displacement Reactions with Test Tube Diagrams

In this lesson students will perform and analyze two single displacement reactions and prepare and manipulate Test Tube Diagrams to depict the activity at the molecular level. Using manipulatives representing individual ions, atoms and molecules for the various reactants and products, they will accurately represent species in the solid, gaseous and aqueous states by correlating the Test Tube Diagram to the complete ionic equation for each reaction. They will determine the reactants and products responsible for color, as well as identify which species is oxidized and which is reduced.

• Precipitate, Electron Configuration, Valence Electrons, Balancing Equations, Classification of Reactions, Solubility Rules, Electrons | High School

### Lesson Plan: Transition Metals Color the World

In this lesson students will complete a series of double replacement reactions to form precipitates. The precipitates will be used as a pigment to create paint.

• 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.

• Balancing Equations, Conservation of Mass | Middle School, High School

### Activity: Balancing Legos

In this activity students use Legos to model the reactants and products in a chemical reaction. They use these “atoms” and “molecules” to balance the chemical reaction in order to demonstrate the law of conservation of matter.

• Molecular Formula, Balancing Equations, Conservation of Mass | Middle School, High School

### Lesson Plan: Counting Atoms & Balancing Equations

In this lesson, students will learn how to count atoms and how to balance chemical equations using videos, simulations and games.

• Balancing Equations, Conservation of Mass | Middle School, High School

### Activity: Simulation Activity: Balancing Chemical Equations

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.

• Precipitate, Balancing Equations, Solubility Rules | High School

### Animation: Net Ionic Equations Animation

In this animation, students will witness a precipitate reaction on the particulate level to understand why a net ionic equation represents what happens in these reaction types. An example of diluting a soluble solid, mixing two aqueous reactants that yield aqueous products, and mixing two aqueous reactants that yield a precipitate are part of this animation. **This video has no audio**

• Balancing Equations, Reduction, Electrolysis, Redox Reaction, Exothermic & Endothermic, Oxidation, Half Reactions, Cathode, Anode, Electron Transfer | High School

### Lab: Electrolysis of Water

In this lab, students will perform the electrolysis of water using a battery, test tubes, thumbtacks, and a plastic cup.

• Chemical Change, Chemical Change, Concentration, Acid Base Reactions, Molarity, Balancing Equations, Stoichiometry, Limiting Reactant, Chemical Change, Measurements, Titrations, Indicators, Graphing, Equivalence Point, Error Analysis, Error Analysis | High School

### Lab: Acid-Base Mole Ratio

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

### 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.