Classroom Resources: Reactions & Stoichiometry

51 – 75 of 78 Classroom Resources

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  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.

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  Combustion, Chemical Change, Catalysts, Acid Base Reactions, Chemical Change, Balancing Equations, Classification of Reactions, Observations, Chemical Change | High School, Middle School

  Demonstration: Stop & Go Gases

  In this demonstration, students will witness the ability of carbon dioxide to extinguish a flame and oxygen to feed a flame. They will also be introduced to the concept of catalysts. This demonstration could also be used as an opportunity to practice writing and balancing equations and classifying chemical reactions.

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  Classification of Reactions, Balancing Equations | 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.

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  Conservation of Mass, Renewable Energy, Balancing Equations, Chemical Change, Functional Groups, Molecular Structure | 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.

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  Balancing Equations, Predicting Products | High School, Middle School

  Activity: Snowman Challenge

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

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

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

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

  Lab: Reduction of Metal Oxides Using Carbon

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

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

  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 limewater (calcium hydroxide solution). Students will practice writing balanced equations and completing mass-to-mass stoichiometric calculations.

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  Combustion, Heat of Combustion, Stoichiometry, Balancing Equations, Dimensional Analysis, Interdisciplinary, Culminating Project | 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.

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  Chemical Change, Classification of Reactions, Balancing Equations, Observations, 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.

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  Conservation of Mass, Conservation of Matter, Chemical Change, Classification of Reactions, Percent Yield, Balancing Equations, Error Analysis, Accuracy, Chemical Change, Chemical Properties, Conservation of Mass, Conservation of Matter, Observations, Separating Mixtures | 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.

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  Classification of Reactions, Combustion, Heat of Combustion, Balancing Equations | High School

  Demonstration: Exploding Pumpkin

  In this demonstration, students will witness a chemical reaction create an explosion inside of a pumpkin. They will write balanced equations for the reactions that take place and will complete stoichiometry and thermochemistry calculations.

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  Chemical Change, Density, Classification of Reactions, Balancing Equations, Observations, 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.

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

  Lab: Predicting Precipitates

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

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  Electrolysis, Cathode, Anode, Half Reactions, Redox Reaction, Reduction, Oxidation, Electron Transfer, Balancing Equations, Exothermic & Endothermic | 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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  Conservation of Matter, Chemical Change, Photosynthesis, Balancing Equations, Reversible Reactions, Molecular Formula, Molecular Structure, Conservation of Mass, Interdisciplinary, Matter, Elements, Monomer | Elementary School

  Lesson Plan: Plant Chemistry

  In this lesson, students will explore a simple, but key, biochemical reaction: photosynthesis.

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

  Lab: Classifying Reaction Types

  In this lab, students will carry out seven reactions and classify their reaction types. They will make observations, predict products, and balance the equations that represent the chemical reactions that are occurring.

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  Balancing Equations, Chemical Change, Observations | High School, Middle School

  Lab: Chemical Reactions & Equations

  In this lesson, students will observe a series of reactions, make observations, and then write balanced chemical equations to chemically describe what they observed.

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  Catalysts, Reaction Rate, Experimental Design, Scientific Method, Chemical Change, Error Analysis, Balancing Equations, Percent Yield, Stoichiometry, Chemical Change, Measurements, Error Analysis, Dimensional Analysis | High School

  Lesson Plan: Catalysis & Catalytic Converters

  In this lesson students will be introduced to catalysts while expanding their knowledge of chemical reactions and stoichiometry. They will first learn about catalytic converters and then be challenged to create the best “catalytic converter” of hydrogen peroxide to oxygen gas in an inquiry-based activity.

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  Stoichiometry, Percent Yield, Classification of Reactions, Balancing Equations, Chemical Change, Dimensional Analysis, Error Analysis, Measurements, Accuracy | High School

  Lab: Baking Soda Stoichiometry

  In this lab, students will decompose baking soda and use stoichiometry to determine the proper balanced chemical equation of its decomposition.

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

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  Chemical Change, Gas Laws, Stoichiometry, Balancing Equations, Volume, Dimensional Analysis, Mole Concept | High School

  Project: Air Bag Stoichiometry

  In this lab, students make real-world connections of stoichiometry with the design of car air bags.

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  Limiting Reactant, Classification of Reactions, Stoichiometry, Balancing Equations, Error Analysis | High School

  Lab: Mole Relationships in a Single Displacement Reaction

  In this lab, students will carry out a reaction between metallic copper and an aqueous solution of silver nitrate to determine the mole ratio between the reactants and the products and write a balanced equation based on the data.

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  Chemical Change, Combustion, Balancing Equations, Density, Specific Heat | High School

  Demonstration: Methane Bubble (Dragon Ball Z)

  In this demonstration, students will observe the combustion of a methane bubble. This exciting demonstration can be used as a dramatic and engaging introduction to the concepts of combustion reactions, chemical change, and balancing equations.