26 – 50 of 254 Classroom Resources

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  Solubility, Conductivity, Concentration, Equilibrium Constants, Stoichiometry | High School

  Lab: Experimental Determination of the Solubility Product Constant for Calcium Hydroxide Mark as Favorite (4 Favorites)

  In this lab, students will predict and measure the relationship between the conductivity of a solution of calcium hydroxide and the mass of substance added to it. From the relationship, students will determine solubility and Ksp of calcium hydroxide. Ksp will be calculated using the molar concentration of ions in the solution and the equilibrium expression for the dissociation of calcium hydroxide.

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

  Lab: Recycling Copper: Understanding Chemical Reactions Mark as Favorite (41 Favorites)

  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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  Calorimetry, Exothermic & Endothermic, Temperature, Stoichiometry, Limiting Reactant, Chemical Change, Molarity, Enthalpy, Heat, Concentration, Experimental Design, Scientific Method | High School

  Lab: Less Than Zero Mark as Favorite (40 Favorites)

  In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2-M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

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

  Lab: It's Time to React Mark as Favorite (79 Favorites)

  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.

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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 Mark as Favorite (42 Favorites)

  In this lab, students will perform the electrolysis of water using a battery, test tubes, thumbtacks, and a plastic cup.

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  Limiting Reactant, Acid Base Reactions, Stoichiometry, Indicators, pH, Dimensional Analysis, Mole Concept, Measurements, Concentration, Molarity | High School

  Lab: Acid/Base Stoichiometry Mark as Favorite (14 Favorites)

  In this lab, students experience a limiting reactant and can physically see the difference in amounts of product generated. They also see which reactant is in excess.

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  Exothermic & Endothermic, Redox Reaction, Oxidation, Spontaneous Reactions , Classification of Reactions | High School

  Demonstration: Potassium Permanganate Volcano Mark as Favorite (35 Favorites)

  In this demonstration, glycerol is oxidized by using potassium permanganate as a catalyst. This gives off a tremendous amount of heat, light, and gas as a volcano of purple flames emit. It is an excellent way to introduce exothermic reactions and discuss spontaneous reactions.

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  Indicators, Le Châtelier's Principle, Acid Base Reactions, Chemical Change, Chemical Change, Limiting Reactant, Reaction Rate, Observations, Chemical Change | High School

  Demonstration: Milk of Magnesia Magic Mark as Favorite (102 Favorites)

  In this demonstration, students will observe a color change in a milk of magnesia solution as vinegar is added.

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

  Demonstration: Potassium Permanganate Demo Mark as Favorite (10 Favorites)

  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.

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

  Activity: Limiting Reactants Using Particulate Diagrams Mark as Favorite (51 Favorites)

  In this activity, students will practice drawing particulate diagrams to help them determine the limiting reactant given a certain number of reactant molecules. Students’ practice with particulate diagrams will help them better visualize and understand limiting reactant calculations. The visualizations provided in this activity are helpful at all levels, from beginning chemistry students up through AP chemistry students, who will need to be comfortable with particulate diagrams for the AP exam.

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  Chemical Change, Limiting Reactant, Classification of Reactions, Percent Yield, Stoichiometry, Concentration, Molarity, Mole Concept, Dimensional Analysis | High School

  Demonstration: First Day Review Mark as Favorite (23 Favorites)

  In this demonstration, students see evidence of a chemical reaction.

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  Chemical Change, Beer's Law, Redox Reaction, Reduction, Oxidation, Concentration, Reaction Rate | High School

  Lesson Plan: Rustbusters! A Lab Activity on Corrosion Mark as Favorite (13 Favorites)

  In this lesson students learn about factors affecting the rate of corrosion and evaluate the efficiency of different protective coatings to simulate products used in industry when building metal structures like ships or bridges.

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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 Mark as Favorite (28 Favorites)

  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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  Stoichiometry, Beer's Law | High School

  Lesson Plan: Aspirin Synthesis and Spectroscopy Analysis Mark as Favorite (16 Favorites)

  In this lesson, students will synthesize aspirin and analyze the end product using spectroscopy by applying Beer’s Law.

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  Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Net Ionic Equation, Concentration, Molarity, Precipitate, Solubility, Dimensional Analysis, Mole Concept, Observations, Graphing, Separating Mixtures, Identifying an Unknown | High School

  Lab: White Lab Mark as Favorite (63 Favorites)

  In this lab, students use molarity concepts to review limiting reactant concepts mathematically, conceptually, and graphically. They can then carry out a follow up investigation to identify an unknown using concepts learned in the first investigation.

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

  Lab: Ions in Aqueous Solution Presentation Mark as Favorite (37 Favorites)

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

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  Gas Laws, Percent Yield, Stoichiometry, Dimensional Analysis, Measurements, Error Analysis | High School

  Lab: Ideal Gas Law Mark as Favorite (79 Favorites)

  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.

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  Gas Laws, Stoichiometry | High School

  Lab: Carbonate Identification Mark as Favorite (38 Favorites)

  In this lab students use gas laws and stoichiometry, along with some balloons and simple measuring tools, to identify a metal carbonate from a short list of possibilities.

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

  Lab: Analysis of Carbonate Compounds Mark as Favorite (62 Favorites)

  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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  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 Mark as Favorite (17 Favorites)

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

  Lab: Classifying Reaction Types Mark as Favorite (117 Favorites)

  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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  Chemical Change, Observations, Redox Reaction, Electron Transfer, Oxidation Number, Chemical Change, Activation Energy | High School

  Lesson Plan: Cyanotypes: Taking Pictures with the Sun Mark as Favorite (17 Favorites)

  In this lesson, students will read about the chemistry behind two photographic methods, including cyanotypes, and then prepare their own sun-sensitive cyanotype paper from two different types of paper. They will place items of their choosing on the prepared papers, place them in the sunlight, and develop and compare the images. Finally, students will be asked to think about different variables they could test with adjustments to the original procedures.

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  Chemical Change, Pressure, Reaction Rate, Acid Base Reactions, Chemical Change, Conservation of Matter | Elementary School, Middle School

  Lab: Rocket Challenge Mark as Favorite (7 Favorites)

  In this lab, students will have the opportunity to construct a rocket, with the challenges of both designing it and preparing a chemical reaction for its “fuel” in order to propel the rocket over the furthest distance. Students will investigate available materials, quantities and ratios during allotted planning and testing phases. Student will record their plans, modifications and designs during the process. The lab will culminate with a competition amongst students to see whose rocket will travel the longest distance.

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  Chemical Change, History, Identifying an Unknown, Molecular Structure | High School

  Lesson Plan: Development of Diagnostic Test Strips Mark as Favorite (6 Favorites)

  In this lesson, students will learn about diagnostic test strips by reading an article and engaging in related activities. The activities help promote literacy in the science classroom. Parts of this lesson could be used as plans for a substitute teacher.

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  Stoichiometry, Balancing Equations, Dimensional Analysis | High School

  Lesson Plan: Stoichiometry of Air Bags Mark as Favorite (97 Favorites)

  In this lesson, students will be introduced to the concept of gram to gram stoichiometry calculations. Students will be guided through a scenario regarding air bags and will be tasked with calculating the amount of gas (NaN3) that must be used to inflate a vehicle air bag to the correct size. Follow-up practice problems are also provided.