Classroom Resources: Reactions & Stoichiometry

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176 – 194 of 194 Classroom Resources

• Stoichiometry, Percent Yield, Classification of Reactions, Balancing Equations, Chemical Change, Dimensional Analysis, Error Analysis, Measurements, Accuracy | High School

Access is an AACT member benefit. Lab: Baking Soda Stoichiometry

In this lab, students will decompose baking soda and use stoichiometry to determine the proper balanced chemical equation of its decomposition.

• Chemical Change, Identifying an Unknown, Physical Properties, Chemical Properties, Chemical Change, Experimental Design, Scientific Method | High School, Middle School

Access is an AACT member benefit. Lab: As Easy as Pie

In this lab, students will use chemical and physical properties to identify an unknown powder.

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

Access is an AACT member benefit. Lab: Analysis of Carbonate Compounds

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.

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

Access is an AACT member benefit. Lab: Acid/Base Stoichiometry

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.

• 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

Access is an AACT member benefit. Lab: Acid-Base Mole Ratio

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.

• Chemical Change, Gas Laws, Stoichiometry, Balancing Equations, Volume, Dimensional Analysis, Mole Concept | High School

Access is an AACT member benefit. Project: Air Bag Stoichiometry

In this lab, students make real-world connections of stoichiometry with the design of car air bags.

• Chemical Change, Observations, Exothermic & Endothermic, Temperature, Chemical Change, Physical Change, Physical Properties | High School, Middle School

Access is an AACT member benefit. Lab: Observing a Chemical Reaction

In this lab, students will practice making careful observations and measurements while witnessing a chemical change.

• Observations, Combustion, Phase Changes, Experimental Design, Scientific Method | High School, Middle School

Access is an AACT member benefit. Lab: Observing a Candle

In this lab, students accumulate observations of a candle including a look at the combustion reaction's reactants and products.

• Limiting Reactant, Classification of Reactions, Stoichiometry, Balancing Equations, Error Analysis | High School

Access is an AACT member benefit. Lab: Mole Relationships in a Single Displacement Reaction

In this lab, students will carry out a reaction between metallic copper and an aqueous solution of silver nitrate to determine the mole ratio between the reactants and the products and write a balanced equation based on the data.

• 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

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

• Chemical Change, Combustion, Balancing Equations, Density, Specific Heat | High School

Access is an AACT member benefit. Demonstration: Methane Bubble (Dragon Ball Z)

In this demonstration, students will observe the combustion of a methane bubble. This exciting demonstration can be used as a dramatic and engaging introduction to the concepts of combustion reactions, chemical change, and balancing equations.

• Stoichiometry, Gas Laws, Ideal Gas, Pressure, Volume, Temperature, Interdisciplinary | High School

Access is an AACT member benefit. Lesson Plan: Mechanisms and Properties of Airbags

In this lesson students will learn about the mechanisms and properties of airbags, and examine the choice of airbag inflator from several points of view.

• Conservation of Mass, Matter, Conservation of Matter, Conservation of Matter, Conservation of Mass, Balancing Equations, Chemical Change, Predicting Products, Experimental Design, Chemical Change, Observations | High School

Access is an AACT member benefit. Lab: Matter Matters

In this lesson, students will investigate the Law of Conservation of Mass.

• Conservation of Mass, Measurements, Conservation of Mass, Chemical Change, Observations, Physical Change, Chemical Change | High School, Middle School

Access is an AACT member benefit. Lab: Mass & Change

In this lab, students will use unified particle pictures of solid, liquid, and gas to explain the law of conservation of mass after carrying out various experiments.

• Chemical Change, Observations, Acids & Bases, Chemical Change, Mixtures | Elementary School, Middle School, High School

Demonstration: Inflating a Balloon with Chemistry

In this demonstration, the teacher will perform a reaction between acetic acid (vinegar) and sodium bicarbonate (baking soda) in order to inflate a balloon and to introduce the concept of a chemical reaction to students. Students will observe the reaction, and identify indicators of chemical change as well as discuss the different types of matter that are involved.

• Exothermic & Endothermic, Classification of Reactions, Energy Diagrams, Bond Energy, Activation Energy, Temperature, Chemical Change | Middle School, High School

Simulation: Energy Changes in Chemical Reactions

In the November 2016 simulation, students will evaluate the energy changes in an endothermic and an exothermic chemical reaction. Students will have the opportunity to compare how energy is absorbed and released in each reaction, and will make a connection between the standard energy diagrams associated with each reaction type.

• Le Châtelier's Principle, Establishing Equilibrium, Reversible Reactions, Reaction Rate, Equilibrium Constants, Graphing | High School

Access is an AACT member benefit. Lab: Dynamic Equilibrium Simulation

In this lab, students will explore equilibrium using paper clips to mimic a chemical reaction.

• Balancing Equations, Conservation of Mass | Middle School, High School

Simulation: Balancing Chemical Equations

The simulation for the September 2014 issue comes from PhET and helps students practice balancing chemical equations. AACT helped fund the conversion of this popular simulation into a format that is compatible with all devices, including iPads. PhET provides teacher’s guides for many of their simulations, and teacher-generated activities that can accompany the simulations.

• Balancing Equations, Conservation of Mass, Conservation of Matter, Conservation of Matter, Chemical Change, Chemical Change, Conservation of Mass, Polyatomic Ions, Precipitate | Middle School, High School

Access is an AACT member benefit. Activity: Simulation Activity: Balancing Chemical Equations

In this activity, students will learn how to count atoms and how to balance chemical equations using a simulation and games from PhET Interactive Simulations.