# Classroom Resources: Reactions & Stoichiometry

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26 – 50 of 61 Classroom Resources

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

### Activity: Limiting Reactants using Particulate Diagrams

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

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

### 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.

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

### 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.

• 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.

• Observations, Chemical Change, Balancing Equations, Classification of Reactions, Chemical Change | High School

### Lab: It's Time to React

In this lab, students will conduct four chemical reactions and analyze each for indicators of a chemical reaction. Based on their observations students will write a balanced chemical equation for each reaction as well as identify the reaction type for each reaction.

• Solubility, Chemical Change, Precipitate, Net Ionic Equation, Balancing Equations, Chemical Change, Solubility Rules | High School

### Lab: Ions in Aqueous Solution Presentation

In this lab, students will mix ionic solutions to determine what combinations form precipitates.

• Acid Base Reactions, Balancing Equations, Titrations, Indicators, Strong vs Weak, Graphing, pH, Equivalence Point | High School

### Lab: Titration Curves

In this lab, students graphically observe a plot of micro acid/base titrations and determine the equivalence point of each plotted curve.

• Review, Model of the Atom, Isotopes, Balancing Equations, Atomic Mass, Subatomic Particles, Lewis Dot Diagrams, Electrons, Ions | Middle School, High School

### Activity: Tic-Tac-Toe Review

In this activity students collaborate to complete tic-tac-toe review questions to prepare for a test on the atomic structure unit. The idea behind the activity is to give students choice and you can read more about the inspiration for the activity in the May issue of Chemistry Solutions.

• Observations, Density, Chemical Change, Physical Change, Balancing Equations, Chemical Change, Physical Change, Mixtures | High School

### Lab: The Lovely Lava Lamp

In this lab, students add food coloring to a mixture of oil and water and record their observations. They then add an Alka-Seltzer tablet, record their observations and answer a series of questions about the chemical and physical changes that took place.

• Density, Temperature, Chemical Change, Gas Laws, Density, Pressure, Balancing Equations, Stoichiometry, Chemical Change, Dimensional Analysis, Kinetic Molecular Theory, 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.

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

### 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 | 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, Classification of Reactions | High School

### Lesson Plan: Geometric Equations Challenge

In this lesson plan, students find patterns in the reactions between several geometric shapes and then learn about the five main types of reactions.

• Renewable Energy, Balancing Equations, Conservation of Mass, Chemical Change, Molecular Structure , Functional Groups | High School

### Lab: Soap or Fuel?

In this lab, students will transform vegetable oil into a soft soap and into biodiesel fuel. The two reactions emphasize that the products of a chemical reaction are under the control of the chemist. By noting the relationship of the reaction product to the reactants, students will gain a deeper understanding of the law of conservation of matter.

• Balancing Equations, Predicting Products | Middle School, High School

### Activity: Snowman Challenge

In this activity, students practice completing and balancing chemical equations with a partner.

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

### 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.

• Observations, Separating Mixtures, Physical Properties, Intermolecular Forces, Polarity, Distillation, Cracking, Balancing Equations, Intermolecular Forces, Boiling Point | High School

### Lesson Plan: Fractional Distillation of Crude Oil

In this lesson, students will be introduced to simple distillation while expanding their knowledge of intermolecular forces. Once a simple distillation has been accomplished in the lab, students will then research the various products of fractional distillation of crude oil and report on one of those products.

• Balancing Equations, Reduction, Percent Yield, Redox Reaction | High School

### Lab: Reduction of Metal Oxides Using Carbon

In this lab, students reduce metal ores using an alternative apparatus to a traditional crucible.

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

### Lab: Finding CO<sub>2</sub> 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).

• Interdisciplinary, Culminating Project, Balancing Equations, Combustion, Stoichiometry, Dimensional Analysis, Heat of Combustion | High School

### Lesson Plan: Redesigning a Car for the Environment

Chemland’s city public transportation board has requested the class to help them determine the direction the city should move towards in reducing the carbon footprint. Students will be divided into groups and will come up with proposals of how to reduce the carbon footprint from carbon dioxide released from vehicles. The groups will represent different ways to reduce the carbon footprint via an alternative fuel source or a new technology. They will debate their findings to determine the direction that the city council should move towards to reduce the carbon footprint.

• Observations, Chemical Change, Balancing Equations, Classification of Reactions, Chemical Change | High School

### Lab: Recycling Copper: Understanding Chemical Reactions

In this lab, students will demonstrate their understanding of writing, balancing, translating, and identifying types of chemical reactions. While doing so, they will learn about the process of recycling copper.

• Observations, Separating Mixtures, Chemical Change, Conservation of Mass, Lab Safety, Conservation of Matter, Balancing Equations, Percent Yield, Conservation of Mass, Classification of Reactions, Accuracy, Chemical Change, Chemical Properties, Conservation of Matter, Error Analysis | High School

### Lab: Reactions of Copper

In this lab, students will convert copper metal into different copper compounds and then back to copper to illustrate conservation of matter.

• Observations, Density, Chemical Change, Balancing Equations, Classification of Reactions, Chemical Change | High School

### Demonstration: Preparation of Hydrogen

In this demo, students witness a single displacement reaction between zinc and sulfuric acid that produces hydrogen gas. The gas is collected via water displacement and ignited.

• Chemical Change, Precipitate, Balancing Equations, Chemical Change, Chemistry Basics, Solubility Rules | Middle School, High School

### Lab: Predicting Precipitates

In this lab, students use solubility rules to predict which chemical reactions will produce precipitates.

• 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.

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Grade Level: High School