# Classroom Resources: Reactions & Stoichiometry

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151 – 175 of 252 Classroom Resources

• Combustion, Limiting Reactant, Catalysts, Gas Laws, Stoichiometry, Activation Energy, Enthalpy, 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.

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

• Chemical Change, Exothermic & Endothermic, Redox Reaction, Reaction Rate | High School

### Access is an AACT member benefit. Demonstration: Potassium Permanganate Demo

In this demo, students witness two chemicals that take some time to react. The KMnO4 and glycerin come into contact and appear not to react, but then a flame results. This is an example of an exothermic redox reaction.

• Conservation of Mass, Exothermic & Endothermic, Chemical Change, Heat, Temperature, Observations, Chemical Change | High School, Middle School

### Access is an AACT member benefit. Lab: Kitchen Reaction

In this lab students will observe an endothermic chemical reaction involving baking soda (sodium bicarbonate) and vinegar (acetic acid). Students will investigate the signs a chemical reaction has occurred (gas production, change in temperature). Students will perform the lab in an open system so they can see the change of mass due to gas production. This lab is a lead into the topic of conservation of mass. After the lab is completed, the teacher should do a demonstration of the exothermic reaction Hydrogen peroxide and potassium iodide.

• Conservation of Mass, Balancing Equations, Limiting Reactant, Introduction, Conservation of Mass | 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.

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

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

### Access is an AACT member benefit. 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.

• Polymers, Polymers, Chemical Change, Chemical Bond | Middle School, High School

### Access is an AACT member benefit. Demonstration: Turn Milk into Plastic

In this demonstration, students will observe the process of making a polymer, casein plastic, from the casein protein found in milk.

• Pros Cons of Nuclear Power, Combustion, Acid Rain, Radiation, Renewable Energy, Radiation | High School

### Access is an AACT member benefit. Activity: Town Meeting

In this activity, students will learn about acid rain, gas scrubbers, half-life, chain reactions, and other topics around electricity production through a debate on nuclear power.

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

### Access is an AACT member benefit. Lab: Ions in Aqueous Solution Presentation

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

• Reaction Rate, Chemical Change, Observations, Chemical Change, Reaction Rate, Catalysts | Elementary School

### Access is an AACT member benefit. Lab: To What DEGREE Does it Matter

In this lab the students will explore how factors such as temperature may influence chemical reactions. Students will use citric acid and sodium bicarbonate (Alka-Seltzer) and a catalyst (water) to induce a reaction at varying degrees. Observations will be made of the rate at which the reactions take place under these varying conditions. The students will make predictions of how the temperature of the water will affect the chemical reaction. They will use a stop watch to time the reaction between the Alka-Seltzer and the varying temperatures of water and graph their observations for analysis, they will compare data to deduce whether temperature has any influence during a chemical reaction.

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

### Access is an AACT member benefit. 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.

• Density, Density, Chemical Change, Observations, Chemical Change, Combustion | Elementary School, Middle School

### Demonstration: Investigating Gas Density

In this demonstration, students will observe a reaction between baking soda and vinegar in the presence of a burning candle. The initial environment has plenty of oxygen present in order to sustain the candle’s flame; however the reaction will produce carbon dioxide which will cause the lit candle to extinguish. Students will analyze the outcome and compare the presence of the gases in the container and make determinations about the densities of each.

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

### Access is an AACT member benefit. 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.

• Acid Rain, Chemical Change, Acid Base Reactions, pH, Chemical Change, Classification of Reactions, Observations, Interdisciplinary | High School

### Access is an AACT member benefit. Activity: Investigating Acid Rain

In this activity, students will investigate the chemistry of acid rain through web based research. Students will also have the opportunity to observe the reaction between a common acid and a material in a week long simulation and relate their findings to the effects of acid rain.

• Polymers, Molecular Structure, Molecular Structure , Monomer, Chemical Bond, Chemical Change, Polymers, Monomer | Middle School

### Lesson Plan: The Power of Polymers

In this lesson students will use lab activities and discussion to explore polymers and their use in 3D printing, with an emphasis on the benefits of 3D printing in automotive manufacturing.

• Limiting Reactant, Chemical Change, Conservation of Mass, Stoichiometry, Observations, Inferences, 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.

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

### Access is an AACT member benefit. 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.

• Chemical Change, Phase Changes, Combustion, Observations | Elementary School, Middle School

### Access is an AACT member benefit. Demonstration: The Jumping Flame

In this demonstration, students will observe that the vapor of an extinguished candle flame is ignitable.

• 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.

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

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

• Photosynthesis, Conservation of Mass, Balancing Equations, Chemical Change, Reversible Reactions, Molecular Formula, Interdisciplinary, Chemical Change, Conservation of Mass | Middle School

### Lesson Plan: The Building Blocks of Photosynthesis

In this lesson, students will use colored blocks to represent the elements in photosynthesis and illustrate how they are broken down and reassembled to create glucose.

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