1 – 25 of 42 Classroom Resources

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  Heat, Temperature, Specific Heat, Law of Conservation of Energy, Enthalpy, Calorimetry, Exothermic & Endothermic, Balancing Equations, Chemical Change, Measurements, Mole Concept, Dimensional Analysis, Culminating Project, Interdisciplinary, Review, Graphing, Observations, Chemical Properties, Physical Properties | High School

  Project: Handwarmer Design Challenge Mark as Favorite (34 Favorites)

  In this project, students will use their knowledge of thermodynamics to design a handwarmer for a manufacturing company that can maintain a temperature of 30-40°C for at least 5 minutes and is designed for the average human hand. Students will create a final product after rounds of testing and an advertising poster that summarizes the results of their testing and promotes their design.

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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

  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

  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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  Hess's Law, Calorimetry, Heat, Enthalpy, Error Analysis | High School

  Lab: Utilizing Hess's Law Mark as Favorite (36 Favorites)

  In this lab, students will use a coffee cup calorimeter to collect data that will allow them to calculate ∆H for two reactions. The first reaction, between sodium bicarbonate and hydrochloric acid is endothermic. The second, between sodium carbonate and hydrochloric pressure, is exothermic. They will then use their experimental values and Hess’s Law to determine ∆H for the decomposition of sodium bicarbonate, compare their calculated value to the theoretical value, and calculate the percent error. This resource includes a prelab presentation and sample calculations.

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  Enthalpy, Entropy, Gibb's Free Energy | High School

  Lab: Thermodynamics Escape Room Mark as Favorite (62 Favorites)

  In this lab, students are presented with an escape room scenario that challenges them to complete three tasks in order to escape from an old, mysterious Gothic house. Students are given access to a small assortment of chemicals, and standard lab equipment. They must determine which chemicals and equipment will help them to light a tap light without touching it, free a key from a block of ice without using a conventional heat source, and free a lock that is buried in a pile of glue.

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  Enthalpy, Entropy, Gibb's Free Energy , Spontaneous vs. Non-spontaneous Reactions, Exothermic & Endothermic | High School

  Lab: Investigating Enthalpy and Entropy Mark as Favorite (51 Favorites)

  In this lab, students will be able to observe and measure energy changes during the formation of solutions. The students should be able to explain and describe these changes in terms of entropy, enthalpy and free energy.

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

  Demonstration: Potassium Permanganate Volcano Mark as Favorite (26 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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  Reaction Rate, Activation Energy, Hess's Law, Exothermic & Endothermic, Le Châtelier's Principle | High School

  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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  Electrolytic Cells, Galvanic Cells, Electrolysis, Redox Reaction, Gibb's Free Energy | High School

  Lesson Plan: Exploration of Electrolytic Cells Mark as Favorite (13 Favorites)

  In this lesson, students will build several electrolytic cells, discuss and diagram their cells to further their understanding of electrolysis, and use qualitative and quantitative analysis of the electrolysis of potassium iodide. Finally, students will practice and be assessed on their knowledge of electrolysis on AP exam-level questioning.

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

  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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  Hess's Law, Calorimetry, Heat | High School

  Lesson Plan: Hess’s Law Application Mark as Favorite (18 Favorites)

  In this lesson students will determine the ΔHrxn of an unknown reaction using a calorimeter and Hess’s Law.

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  Catalysts, Order of Reaction , Activation Energy, Lewis Structures, Resonance, Molecular Geometry, Activation Energy, Energy Diagrams | High School

  Lesson Plan: The Downside to Catalysts - An Exploration of CFC's on the Ozone Layer Mark as Favorite (36 Favorites)

  In this lesson students will make observations of a colorful homogenous catalyst and intermediate in a reaction demonstration that will spark their interests. They will then work in teams to analyze graphs and data sets in order to make a real-world connection to AP topics in kinetics such as catalysts, intermediates and reaction mechanisms by exploring how CFCs work to break down the ozone layer. Students will also investigate and discuss this environmental issue.

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

  Lesson Plan: Using Color to Identify an Unknown Mark as Favorite (14 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.

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  Entropy, Gibb's Free Energy , Enthalpy | High School

  Lesson Plan: Enthalpy and Entropy as Driving Forces Mark as Favorite (44 Favorites)

  In this activity, students observe various chemical and physical processes to qualitatively predict and explain the signs of ∆S and ∆H. Based on their observations, they will predict the sign of ∆G and will determine the driving force of the process. Students will then calculate ∆S, ∆H and ∆G. This lesson focuses on thermochemical predictions, calculations and explanations.

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  Electricity, Renewable Energy, Photosynthesis, Electron Transfer, Redox Reaction, Oxidation, Reduction | High School

  Lesson Plan: Color Solar Power! Mark as Favorite (12 Favorites)

  In this lesson students will make a dye-sensitized solar cell (also known as DSC or Gratzel cell) using extracts from blackberries, raspberries, blueberries, red cabbage, strawberries, beetroot, spinach and dried hibiscus petals. Students will measure the voltage and the current of various light sources using the created solar cells and then compare the effectiveness of each.

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

  Lab: Starch-Iodine Clock Reaction Mark as Favorite (61 Favorites)

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

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  Exothermic & Endothermic, Law of Conservation of Energy, Heat, Temperature | High School

  Activity: Endothermic & Exothermic Reactions Mark as Favorite (15 Favorites)

  In this activity, students observe industrial-strength snap sticks and chemical cold packs and discuss processes of endothermic and exothermic reactions.

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  Heat of Combustion, Heat, Exothermic & Endothermic, Combustion | Elementary School, Middle School, High School

  Video: The Internal Combustion Engine Video Mark as Favorite (29 Favorites)

  This video investigates both the mechanical and the chemical processes used in the internal combustion engine, as well as the history and evolution of the combustion engine.

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  Reduction, Oxidation, Redox Reaction, Catalysts, Activation Energy, Combustion | Elementary School, Middle School, High School

  Video: Catalytic Converters Video Mark as Favorite (31 Favorites)

  This video investigates the role of a catalytic converter and its corresponding chemical reactions within a vehicle. Students will learn about both oxidation and reduction reactions and how they, in combination with a catalyst, can impact the molecules released in a car’s exhaust.

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  Electricity, Anode, Cathode, Galvanic Cells, Heat, Renewable Energy | Elementary School, Middle School, High School

  Video: Alternative Fuels Video Mark as Favorite (7 Favorites)

  This video analyzes alternatives to petroleum based fossil fuels, such as biofuels and hydrogen fuel cells.

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

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

  Demonstration: Potassium Permanganate Demo Mark as Favorite (7 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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  Pros Cons of Nuclear Power, Combustion, Acid Rain, Radiation, Renewable Energy, Radiation | High School

  Activity: Town Meeting Mark as Favorite (32 Favorites)

  In this activity, students will learn about acid rain, gas scrubbers, half-life, chain reactions, and other topics around electricity production through a debate on nuclear power.

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  Colligative Properties, Specific Heat, Freezing Point Depression, Solute & Solvent, Concentration, Heat, Temperature, Calorimetry, Error Analysis | High School

  Lesson Plan: The Hot and Cold of it All Mark as Favorite (13 Favorites)

  In this lesson students will analyze the effectiveness of different brands of antifreeze/coolants and their ability to protect an engine in cold climates. Students will conduct a lab investigation to examine the freezing point depression in samples that have been diluted with distilled water. Students will also determine the specific heat capacities of antifreeze/coolant products as compared to pure water and explain how it relates to thermal energy transfer in the internal combustion engine.

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  Redox Reaction, Gibb's Free Energy , Spontaneous Reactions , Reduction, Oxidation, Half Reactions, Galvanic Cells, Electrons, Electron Transfer, Cathode, Anode, Reduction Potentials, Exothermic & Endothermic, Spontaneous vs. Non-spontaneous Reactions, Dimensional Analysis | High School

  Lesson Plan: How Far Can We Go? Mark as Favorite (7 Favorites)

  In this lesson students compare energy densities of lead acid and lithium ion batteries to understand the relationship between electrochemical cell potentials and utilization of stored chemical energy.