Classroom Resources: Solutions

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  • Chemistry Basics, Physical Properties, Physical Change, Observations, Identifying an Unknown, Lab Safety, Molecules & Bonding, Covalent Bonding, Ionic Bonding, Intermolecular Forces, Molecular Motion, Conductivity, States of Matter, Melting Point, Intermolecular Forces, Molecular Motion | High School

    Access is an AACT member benefit. Activity: Animation Activity: Physical Properties and Particle Interaction

    In this activity, students will view an animation that explores the relationship between physical properties and particle-level interactions. Particle diagrams of common household substances are used to illustrate that forces of attraction influence melting points. Similarly, particle diagrams of the same substances dissolved in water are used to compare their conductivity in solution.

  • Concentration, Precipitate, Molarity, Molality, Conductivity, Colligative Properties, Boiling Point Elevation, Freezing Point Depression, Distillation, Culminating Project, Graphing, Accuracy, Error Analysis, Interdisciplinary, Mixtures, pH, Buffers, Boiling Point, Freezing Point, Phase Changes | High School

    Access is an AACT member benefit. Lesson Plan: Investigating Sea Water

    In this lesson, students will consider their water footprint and means to obtain fresh water from seawater using a solar still. To understand the differences between fresh water and seawater, students will determine the composition of artificial seawater by using qualitative analysis to test for different ions in solution and calculate the molarity of different salts used in the recipe. Students will observe the effects of solutes in aqueous solutions by measuring conductivity and the freezing and boiling points of seawater and deionized water and determine total dissolved solids. In addition, students explore the buffering ability of seawater and the effect of carbon dioxide on its pH.

  • 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

    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.

  • Conductivity, Covalent Bonding, Ionic Bonding | High School

    Access is an AACT member benefit. Lab: Strong and Weak Electrolytes

    In this lab, students will analyze the conductivity of several common household solutions using a light emitting conductivity diode tester to determine if the solution is a strong or weak electrolyte. Students will interpret the brightness of the lightbulb to determine the strength of the electrolyte. Students will also have an opportunity to consider the connection between conductivity and bond type during this lab.

  • Classification of Reactions, Conductivity, Chemical Change, Precipitate | High School

    Access is an AACT member benefit. Demonstration: Sterno

    In this demonstration, students will observe a decomposition reaction that triggers a precipitate reaction that prevents a solution from conducting electricity.

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