Classroom Resources: Equilibrium

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1 – 25 of 26 Classroom Resources

  • pH, Temperature, Establishing Equilibrium | High School

    Access is an AACT member benefit. Lesson Plan: Acidic Seas Emergency Lesson Mark as Favorite (7 Favorites)

    In this lesson, students will learn about the pH scale, weak acids, gases, equilibrium, and climate change through reading the highly rated ChemMatters article, Acidic Seas: How Carbon Dioxide is Changing the Oceans. The lesson includes several activities to help promote literacy in the science classroom related to the reading. This lesson could be easily used as an emergency lesson plan for a substitute teacher, as most of the activities are self-guided.

  • Establishing Equilibrium | High School

    Access is an AACT member benefit. Activity: Animation Activity: Equilibrium Mark as Favorite (7 Favorites)

    In this activity, students will view an animation that explores equilibrium through the examples of water and a piece of chalk (CaCO3). They will see the relationship of H+ and OH– with water molecules, as well as the autoionization of water. They will also see that once equilibrium is established, there is no net change in the ions in solution, as when one set of particles dissolves, another set of particles will recombine.

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    Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants | High School

    Access is an AACT member benefit. Demonstration: Le Châtelier’s Principle and Shifting Equilibrium Mark as Favorite (1 Favorite)

    In this demonstration, students will be introduced to the concepts of Le Châtelier’s Principle and reversible reactions through the formation of a copper-ammonia complex ion.

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    Equilibrium Constants, Le Châtelier's Principle | High School

    Access is an AACT member benefit. Activity: How do Pollutants Affect our Oceans? Mark as Favorite (28 Favorites)

    In this activity, students will use the simulation, Surface Ocean pH Levels, from the Chemistry in Context Simulation Suite to investigate the values related to ocean acidification and interpret systems with multiple equilibria.

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    Establishing Equilibrium, Equilibrium Constants, Reaction Quotient, Graphing | High School

    Access is an AACT member benefit. Activity: Shaking Dice to Model Equilibrium Principles Mark as Favorite (22 Favorites)

    In this activity, students work together in small groups using a variety of multi-sided dice to model the dynamic character of a chemical equilibrium. Students will collect, share and analyze data in order to understand that the rate of a chemical reaction depends on the concentration of reactants (and products) as modelled by the different sided dice.

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    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 (0 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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    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 (36 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.

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    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 (15 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°.

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    Le Châtelier's Principle, Equilibrium Constants, Establishing Equilibrium, Reaction Quotient | High School

    Access is an AACT member benefit. Activity: Le Châtelier's Principle Particulate View Mark as Favorite (15 Favorites)

    In this activity, students will gain a better understanding of how applying a stress to a reaction system will shift the equilibrium. The students will be able to predict the direction a reversible reaction will shift based of the value of the reaction quotient (Q) and the equilibrium constant (K). This activity should be completed after students have completed the activity “Equilibrium Particulate View.”

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    Establishing Equilibrium, Equilibrium Constants, Reaction Quotient | High School

    Access is an AACT member benefit. Activity: Equilibrium Particulate View Mark as Favorite (15 Favorites)

    In this activity, students will gain a better understanding of what it means for a reaction to be in a state of equilibrium and how a reaction progresses over time to establish equilibrium. Students will also relate the equilibrium constant to the amount of products and reactants present at equilibrium.

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    Le Châtelier's Principle, Establishing Equilibrium | High School

    Access is an AACT member benefit. Lab: A Greener Le Châtelier’s Principle Lab Mark as Favorite (51 Favorites)

    In this lab, students will explore Le Châtelier’s Principle using non-toxic materials, while still visualizing the equilibrium shifts through color changes. Traditionally, equilibrium experiments and Le Châtelier’s Principle are illustrated using chemicals that undergo color changes as the equilibrium position shifts such as cobalt (IV) chloride and iron (III) thiocyanate. While these reactions effectively demonstrate Le Châtelier’s Principle, they utilize reagents that are toxic.

  • Establishing Equilibrium, Equilibrium Constants, Le Châtelier's Principle, Reaction Quotient | High School

    Lesson Plan: Equilibrium Unit Plan Mark as Favorite (22 Favorites)

    The AACT high school classroom resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach equilibrium to your students.

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    Reaction Rate, Activation Energy, Hess's Law, Exothermic & Endothermic, Le Châtelier's Principle | High School

    Access is an AACT member benefit. Lab: Kinetics and Equilibrium Mark as Favorite (25 Favorites)

    In this lab, students will investigate the reaction of the hydrogen sulfite ion (HSO3-) and the iodate ion (IO3-) to determine the effect that changing concentration and temperature has on the reaction rate.

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    Equilibrium Constants, Reaction Quotient, Activation Energy, Energy Diagrams, Catalysts, Enthalpy, Entropy, Spontaneous vs. Non-spontaneous Reactions | High School

    Access is an AACT member benefit. Lesson Plan: Making Connections in Kinetics, Equilibrium and Thermochemistry Mark as Favorite (27 Favorites)

    In this lesson students will understand the connections between the equilibrium constant (K) and the reaction quotient (Q) as well as how they determine the favorability of a reaction. Additionally students will be able to determine if a reaction is kinetically favored or thermodynamically favored.

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    Equilibrium Constants, Reaction Quotient, Le Châtelier's Principle | High School

    Access is an AACT member benefit. Lesson Plan: Q, K, and Le Chatelier Mark as Favorite (14 Favorites)

    In this lesson students practice applying Q vs K as an explanatory tool in a simulation and demonstration. In both activities, students will consider how a change in concentration of one species subsequently effects all the species as equilibrium is reestablished.

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    Equilibrium Constants, Le Châtelier's Principle, Reaction Quotient | High School

    Access is an AACT member benefit. Activity: Equilibrium in a Beaker Mark as Favorite (68 Favorites)

    In this activity, students will model equilibrium reactions using plastic chips to represent atoms. The goal of the lesson is to connect the symbolic model of an equilibrium reaction to its particle model.

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    Establishing Equilibrium, Le Châtelier's Principle, Equilibrium Constants, Reaction Quotient | High School

    Access is an AACT member benefit. Lesson Plan: Discovering Equilibrium Mark as Favorite (27 Favorites)

    In this lesson students manipulate sets of given conditions to discover what equilibrium is, and how the equilibrium is established from different starting conditions. Students then refer back to the activity as the foundation framework for the rest of Essential Knowledge 6.A, 6.B.1 and 6.B.2. This lesson focuses on both a qualitative and quantitative understanding of equilibrium.

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    Establishing Equilibrium, Le Châtelier's Principle | High School

    Activity: Simulation Activity: Predicting Shifts in Equilibrium: Q vs K Mark as Favorite (30 Favorites)

    In this simulation, students will take a 15 question quiz. Each quiz questions has two parts. The first part requires the student to calculate the value of the reaction quotient, Q. In the second portion of the question, the students will compare the value of Q to the equilibrium constant, K, and predict which way the reaction will shift to reach equilibrium. The simulation includes five different reactions which each have three scenarios: Q > K, Q = K, and Q < K.

  • Establishing Equilibrium, Le Châtelier's Principle | High School

    Simulation: Predicting Shifts in Equilibrium: Q vs K Mark as Favorite (32 Favorites)

    In this simulation, students will take a 15 question quiz. Each quiz question has two parts. The first part requires the student to calculate the value of the reaction quotient, Q. In the second portion of the question, the students will compare the value of Q to the equilibrium constant, K, and predict which way the reaction will shift to reach equilibrium. The simulation includes five different reactions which each have three scenarios: Q > K, Q = K, and Q < K.

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    Establishing Equilibrium | High School

    Access is an AACT member benefit. Activity: Equilibrium Introduction Mark as Favorite (26 Favorites)

    In this activity, students perform a hands-on activity that models chemical equilibrium based on the article Equilibrium: A Teaching/Learning Activity by Audrey H. Wilson from the Journal of Chemical Education, Vol. 75, No. 9, September 1998.

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

    Access is an AACT member benefit. Lab: Le Chatelier’s Soda Mark as Favorite (86 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.

  • Establishing Equilibrium | High School

    Access is an AACT member benefit. Animation: Equilibrium Animation Mark as Favorite (17 Favorites)

    This animation explores equilibrium through the examples of water and a piece of chalk (CaCO3). Students will see the relationship of H+ and OH– with water molecules, as well as the autoionization of water. They will also see that once equilibrium is established, there is no net change in the ions in solution, as when one set of particles dissolves, another set of particles will recombine. **This video has no audio**

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    Le Châtelier's Principle, Establishing Equilibrium, Equilibrium Constants, Reaction Quotient, Exothermic & Endothermic, Heat, Temperature | High School

    Access is an AACT member benefit. Demonstration: Le Châtelier’s Principle Mark as Favorite (29 Favorites)

    In this demonstration, students will witness a system at equilibrium and apply different stresses to see how the equilibrium shifts.

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    Activation Energy, Temperature, Exothermic & Endothermic, Heat, Equilibrium Constants, Establishing Equilibrium, Le Châtelier's Principle, Reaction Quotient | High School

    Access is an AACT member benefit. Activity: Reversible Reactions Simulation Mark as Favorite (34 Favorites)

    In this activity, students will investigate how temperature, activation energy, initial amounts of products and reactants, and type of reaction (exo- or endothermic) effect the equilibrium position of a reaction using a simulation.

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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 (89 Favorites)

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

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