Classroom Resources: Solutions

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1 – 25 of 43 Classroom Resources

  • Chemistry Basics, Identifying an Unknown, Solubility, States of Matter, Melting Point, Phase Changes | High School

    Simulation: Safety Data Sheets Mark as Favorite (11 Favorites)

    Students learn about sections of a safety data sheet (SDS) and how the information can be used for safety purposes and for identifying unknowns. They will use the Physical and Chemical Properties section and particle diagrams to distinguish between substances with similar appearances in a variety of lab-based scenarios.

  • Reduction, Redox Reaction, Reduction Potentials, Galvanic Cells, Oxidation, Half Reactions, Cathode, Anode, Electron Transfer, Electrons, Concentration, Molarity, Net Ionic Equation, Nernst Equation | High School

    Simulation: Galvanic/Voltaic Cells 2 Mark as Favorite (40 Favorites)

    In this simulation, students can create a variety of standard and non-standard condition galvanic/voltaic cells. Students will choose the metal and solution for each half cell, as well as the concentration of those solutions. They can build concentration cells and other non-standard cells, record the cell potential from the voltmeter, and observe the corresponding oxidation and reduction half reactions.

  • Galvanic Cells, Reduction Potentials, Redox Reaction, Half Reactions, Electrons, Electron Transfer, Anode, Cathode, Oxidation, Reduction, Concentration, Net Ionic Equation, Molarity, Nernst Equation | High School

    Activity: Simulation Activity: Non-Standard Galvanic Cells Mark as Favorite (11 Favorites)

    In this activity, students will use a simulation to create a variety of non-standard condition galvanic/voltaic cells. This simulation allows students to choose the metal and solution for each half cell, as well as the concentration of those solutions. Students will build concentration cells and other non-standard cells and record the cell potential from the voltmeter. They will compare the results of different data sets, write net ionic equations, and describe electron flow through a galvanic/voltaic cell from anode to cathode as well as the direction of migration of ions, anions towards the anode and cations towards the cathode.

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

    Access is an AACT member benefit. Lab: Experimental Determination of the Solubility Product Constant for Calcium Hydroxide Mark as Favorite (3 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.

  • Galvanic Cells, Redox Reaction, Reduction Potentials, Half Reactions, Cathode, Anode, Oxidation, Reduction, Electrons, Electron Transfer, Net Ionic Equation | High School

    Simulation: Galvanic/Voltaic Cells Mark as Favorite (77 Favorites)

    In this simulation, students select different metals and aqueous solutions to build a galvanic/voltaic cell that generates electrical energy and observe the corresponding oxidation and reduction half reactions.

  • Galvanic Cells, Reduction Potentials, Redox Reaction, Half Reactions, Cathode, Anode, Oxidation, Reduction, Electrons, Electron Transfer, Net Ionic Equation | High School

    Activity: Simulation Activity: Galvanic/Voltaic Cells Mark as Favorite (43 Favorites)

    In this activity, students will use a simulation to create a variety of galvanic/voltaic cells with different electrodes. They will record the cell potential from the voltmeter and will use their data to determine the reduction potential of each half reaction. Students will also identify anodes and cathodes, write half reaction equations and full chemical equations, and view what is happening in each half cell and the salt bridge on a molecular scale.

  • Review, Culminating Project, Mixtures, Separating Mixtures, Beer's Law, Concentration, Redox Reaction, Half Reactions, pH, Titrations, Buffers, Indicators, Ionic Bonding, Covalent Bonding, Alloys, Percent Composition, Le Châtelier's Principle, Enthalpy, Calorimetry, Conductivity | High School

    Access is an AACT member benefit. Lesson Plan: AP Chemistry Experimental Evidence Review Mark as Favorite (43 Favorites)

    In this lesson, students will evaluate data from 16 simulated lab experiments that were designed to mirror the Recommended Labs from the College Board. Corresponding lab experiments and demonstration options have also been included for teacher reference.

  • Equilibrium Constants, Le Châtelier's Principle, Gibb's Free Energy , Enthalpy, Entropy, Solubility | High School

    Access is an AACT member benefit. Lesson Plan: Relationship Between Free Energy and the Equilibrium Constant Mark as Favorite (17 Favorites)

    In this lesson, students will explore the relationships between solubility and Keq (specifically Ksp), as well as Keq and ΔG°. First, a guided inquiry activity will introduce the relationship between standard free energy and equilibrium constant with the equation ΔG° = -RTlnKeq. Then data collection regarding solubility of potassium nitrate at various temperatures will lead to the calculation of Ksp and ΔGo for the dissolution reaction at those temperatures. Students will manipulate the equations ΔG° = -RTlnKeq and ΔG° = ΔH° - TΔS° to derive a linear relationship between 1/T and lnKeq, which will then be graphed to determine values for ΔH° and ΔS°.

  • Ionic Bonding, Naming Compounds, Molecular Formula, Ions, Ionic Radius, Solubility, Melting Point, Physical Properties | High School

    Access is an AACT member benefit. Activity: Ionic Bonding Brackets Mark as Favorite (62 Favorites)

    In this lesson, students will demonstrate their knowledge of ionic bond strength and its relationship to the properties of melting point and solubility using a “brackets” activity. After analyzing the ionic charge and radius to predict the strongest and weakest bond between four pairs of ionic substances, they will then determine which will be the least soluble.

  • Stoichiometry, Beer's Law | High School

    Access is an AACT member benefit. Lesson Plan: Aspirin Synthesis and Spectroscopy Analysis Mark as Favorite (10 Favorites)

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

  • Salts, Indicators, Strong vs Weak, Net Ionic Equation | High School

    Lab: Hydrolysis of Salts Mark as Favorite (17 Favorites)

    In this lab, students will observe the hydrolysis of several salt samples. They will first predict which solutions are acidic, basic or neutral, and then discover the pH of each through the use of indicators. Students will share and compile their experimental results, as well as have an opportunity to determine the net-ionic equations for each reaction.

  • Intermolecular Forces, Intermolecular Forces, Physical Change | High School

    Access is an AACT member benefit. Demonstration: Intermolecular Forces & Physical Properties Mark as Favorite (69 Favorites)

    In this demonstration, students observe and compare the properties of surface tension, beading, evaporation, and miscibility for water and acetone.

  • Concentration, Beer's Law, Electromagnetic Spectrum | High School

    Access is an AACT member benefit. Lesson Plan: Using Color to Identify an Unknown Mark as Favorite (15 Favorites)

    In this lesson students will utilize spectrophotometry to identify the wavelength of maximum absorbance for a food dye. They will also generate a Beer's Law Standard Curve, and utilize their skills to identify the different dyes and their concentrations in an unknown mixture. The lesson culminates with an extension to utilizing a similar method in color matching paint.

  • Solubility Rules, Chemical Change, Redox Reaction, Precipitate, Reaction Rate, Reduction, Oxidation | High School

    Access is an AACT member benefit. Lesson Plan: Removing Copper Stains from Masonry Mark as Favorite (9 Favorites)

    In this lab, students investigate the use of milk of magnesia poultice to remove copper stains on masonry in copper architecture. They use chalk as the model for masonry, copper(II) chloride solution as a model for soluble copper and a freshly prepared slurry of copper phosphate as a model for a hard stain of copper on masonry. Through a series of investigations students have the opportunity to connect chemistry topics with real-world applications, such as environmental hazards, engineering practices of copper architecture, corrosion control, and structural protection.

  • Beer's Law, Concentration, Physical Properties | High School

    Access is an AACT member benefit. Lesson Plan: Introduction to Color Mark as Favorite (7 Favorites)

    In this lesson students explore the properties related to color and how those properties vary with changes in concentration. This lesson introduces the use of a spectrophotometer to measure wavelength and absorbance in colored solutions as well as the use of Beer’s Law to determine an unknown concentration.

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

    Access is an AACT member benefit. Lesson Plan: Rustbusters! A Lab Activity on Corrosion Mark as Favorite (12 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.

  • Titrations, Indicators, Molarity, Concentration | High School

    Demonstration: How to Perform a Titration Mark as Favorite (36 Favorites)

    In this demonstration, the teacher will show how a titration is set-up and performed. Also, the teacher will utilize different indicators to show how they work and why they are necessary. At the end of the demonstration, the teacher will also explain how to calculate the molarity of the unknown substance.

  • Buffers, Solubility, Molecular Structure | High School

    Access is an AACT member benefit. Lab: Aspirin Tablets: Are they all the Same? Mark as Favorite (55 Favorites)

    In this lab, students will design an experiment to test the time and completeness of dissolution of various types of aspirin in different pH environments.

  • Le Châtelier's Principle, Reversible Reactions, Concentration | High School

    Access is an AACT member benefit. Lab: Le Chatelier’s Soda Mark as Favorite (90 Favorites)

    In this lab, students will observe how the equilibrium of a chemical reaction is affected when a change in pressure, temperature, and concentration is applied to the system.

  • Ionic Bonding, Net Ionic Equation | High School

    Lab: The pH of Salts Mark as Favorite (17 Favorites)

    In this lab, students will determine whether an aqueous solution is acidic, basic, or neutral. Students will write net ionic equations for the hydrolysis of a solution.

  • Beer's Law, Molarity, Concentration | High School

    Access is an AACT member benefit. Lab: Beer's Law Discovered Mark as Favorite (32 Favorites)

    In this laboratory investigation, students will explore the concepts of light absorption, transmittance, and the relationship between absorbance, path length, and concentration of solution.

  • Reaction Rate, Graphing, Temperature, Concentration | High School, Middle School

    Access is an AACT member benefit. Lab: Starch-Iodine Clock Reaction Mark as Favorite (69 Favorites)

    In this lab, students perform an iodine clock reaction to determine how concentration and temperature effect the reaction rate.

  • Balancing Equations, Precipitate, Solubility Rules | High School

    Access is an AACT member benefit. Animation: Net Ionic Equations Animation Mark as Favorite (67 Favorites)

    This animation explores what happens in a precipitate reaction on the particulate level. Students will see why writing a net ionic equation accurately represents what happens in these scenarios. An example of diluting a soluble solid, mixing two aqueous reactants that yield aqueous products, and mixing two aqueous reactants that yield a precipitate are part of this animation. **This video has no audio**

  • 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

    Access is an AACT member benefit. Lab: White Lab Mark as Favorite (55 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.

  • Titrations, Concentration, Indicators, Acid Base Reactions, Equivalence Point, Molarity | High School

    Access is an AACT member benefit. Lab: Lethal Dose Mark as Favorite (37 Favorites)

    In this lab, students will perform several titrations to calculate the concentration of potentially “lethal” medicycloprophic solutions.

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