Classroom Resources: Reactions & Stoichiometry


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151 – 175 of 205 Classroom Resources

  • Density, Chemical Change, Density, Combustion, Chemical Change, Kinetic Molecular Theory | High School

    Demonstration: Liquid and Gas Burning Comparison

    In this demo, students will witness the burning of a substance in its gas and in its liquid states. They will carry out the demonstrations themselves, and compare the results of the two reactions.

  • 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.

  • Chemical Change, Catalysts, Acid Base Reactions, Combustion, Chemical Change | High 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.

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

  • 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.

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

    Activity: Snowman Challenge

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

  • Reaction Rate, Reversible Reactions, Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Graphing | High School

    Lab: Dynamic Equilibrium Simulation

    In this lab, students will explore equilibrium using paper clips to mimic a chemical 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.

  • 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.

  • Concentration, Solute & Solvent, Molarity, Stoichiometry, Mole Concept, Dimensional Analysis, Tyndall Effect | High School

    Activity: Solubility & Solutions

    In this inquiry activity, students investigate types of solutions, identifying the solute and solvent, and classifying each solution. They them solve stoichiometry problems involving solutions of different concentrations.

  • Chemical Change, Reaction Rate, Catalysts, Balancing Equations, Percent Yield, Stoichiometry, Chemical Change, Dimensional Analysis, Measurements, Scientific Method, Error Analysis, Experimental Design, Error 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.

  • Cracking, Combustion, Chemical Change, Functional Groups | High School

    Demonstration: Cracking Reaction

    In this demo, students will witness a cracking reaction. They will verify the products by exposing the products to three side reactions.

  • Condensation, Chemical Change, Functional Groups, Lewis Structures | High School

    Lab: Condensation Reaction

    In this lab, students will use Lewis structures to explain the mechanism of an organic condensation reaction between a carboxylic acid and an alcohol, also known as an esterification reaction.

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

    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.

  • Molecular Formula, Law of Definite Proportions, Stoichiometry, Classification of Reactions, Mole Concept, Dimensional Analysis | High School

    Lab: Finding the Formula of Magnesium Oxide

    In this lab, students will recognize that oxygen has mass and that heating can involve and increase in mass as an element reacts to become an oxide

  • Renewable Energy, Chemical Change, Interdisciplinary, Distillation, Molecular Structure, Combustion, Stoichiometry, Chemical Change, Molecular Structure , Enthalpy | High School

    Lesson Plan: Biofuels of the Future

    In this lesson students will explore the world of automobile alternative energy sources through the study of biofuels. They will design and create an e-book that illustrates and explains one of the provided topics or an original idea approved by the teacher.

  • Observations, Physical Properties, Chemical Change, Physical Change, Chemical Change, Temperature, Exothermic & Endothermic | Middle School, High School

    Lab: Observing a Chemical Reaction

    In this lab, students will practice making careful observations and measurements while witnessing a chemical change.

  • Physical Properties, Chemical Change, Identifying an Unknown, Chemical Change, Scientific Method, Chemical Properties, Experimental Design | Middle School, High School

    Lab: As Easy as Pie

    In this lab, students will use chemical and physical properties to identify an unknown powder.

  • Observations, Density, Chemical Change, Lab Safety, Combustion | High School

    Demonstration: Fish Tank Carbon Dioxide

    In this demonstration, students watch as a reaction between baking soda and vinegar produces carbon dioxide, which then causes lit candles to extinguish.

  • 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.

  • 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.

  • 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.

  • 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, Chemical Change, Physical Change, Conservation of Mass, Conservation of Mass, Chemical Change, Measurements | Middle School, High School

    Lab: Mass & Change

    In this lab, students will use unified particle pictures of solid, liquid, and gas to explain the law of conservation of mass after carrying out various experiments.

  • Observations, Chemical Change, Conservation of Mass, Chemical Change | Middle School, High School

    Lab: Conservation of Mass

    In this lab, students perform three simple experiments, recording the mass of a substance before and after a reaction. They then explain how the law of conservation of mass was not violated, even if the mass changed.

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