Classroom Resources: Reactions & Stoichiometry

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  • Stoichiometry, Limiting Reactant, Percent Composition, Lewis Structures, Percent Composition | High School

    Access is an AACT member benefit. Lab: Untouchable Key Escape Room

    In this lab, students are presented with a key wrapped in aluminum foil a quantity of solid copper (II) chloride, a balance, distilled water and a selection of standard laboratory glassware and equipment. Without using their hands to touch the key, students must react the key with a copper (II) chloride solution in order to free the key and use it to escape from the chemistry classroom!

  • Percent Composition, Mole Concept, Identifying an Unknown, Emission Spectrum | High School

    Access is an AACT member benefit. Lesson Plan: Chemical Analysis of Martian Rocks

    In this lesson, students are challenged to analyze the spectral graphs obtained by the Curiosity Mars Rover. Based on their examination students will determine the component elements of each sample, as well as the relative abundance of each element. With this information the student will complete calculations to find the empirical formula and identify the composition of the unknown rock. Finally students will complete research to see if these rocks are actually like those on Earth.

  • Titrations, Indicators, Acid Base Reactions, Stoichiometry, Percent Composition | High School

    Access is an AACT member benefit. Lab: The Egg-straordinary Issue

    In this lab students will determine the percent composition of calcium carbonate contained in an eggshell by using a back titration in order to address a farmer’s concerns about his hen’s fragile eggs. Two versions of the student lab are included, a scripted version, and an inquiry version.

  • Percent Composition, Identifying an Unknown, Net Ionic Equation, Stoichiometry, Error Analysis, Molar Mass | High School

    Access is an AACT member benefit. Lab: Analysis of Carbonate Compounds

    In this lab, students calculate the molar masses of three unknown carbonate compounds by measuring the amount of product (CO2) produced by a reaction with hydrochloric acid.

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