Classroom Resources: Reactions & Stoichiometry
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Gas Laws, Stoichiometry  High School
Lab: Carbonate Identification Mark as Favorite (32 Favorites)
In this lab students use gas laws and stoichiometry, along with some balloons and simple measuring tools, to identify a metal carbonate from a short list of possibilities.

Ionic Bonding, Covalent Bonding, Molecular Formula, Naming Compounds, Stoichiometry, Limiting Reactant, Classification of Reactions  High School
Activity: Isn't it Ionic Mark as Favorite (48 Favorites)
In this activity students will form ionic compounds and covalent compounds using clues and questions. Students are going to then develop their own stoichiometric problems and have other groups attempt to solve it.

Acid Base Reactions, Stoichiometry, Limiting Reactant  High School
Lab: Fizzy Drink Mark as Favorite (55 Favorites)
In this lab, students will learn the properties of acid and bases while applying the principles of stoichiometry to calculate the amount of base needed to neutralize an acid completely and produce a bubbly drink.

Limiting Reactant, Chemical Change, Conservation of Mass, Stoichiometry, Chemical Change, Observations, Conservation of Mass  High School
Demonstration: Understanding Limiting Reactants Mark as Favorite (42 Favorites)
In this demonstration, the teacher will perform a series of reactions between acetic acid (vinegar) and varying amounts of sodium bicarbonate (baking soda) in order to inflate several balloons. Students will observe the reactions and analyze the quantities of reactants used as well as the results in order to understand the concept of limiting reactants.

Limiting Reactant, Dimensional Analysis, Stoichiometry  High School
Lesson Plan: Map to Solving Limiting Reactant Problems Mark as Favorite (16 Favorites)
In this lesson, students will learn how to follow a stepbystep problem solving method for limiting reactant stoichiometry problems. This method can be particularly beneficial for students who struggle with completing these calculations.

Stoichiometry, Balancing Equations, Dimensional Analysis  High School
Lesson Plan: Stoichiometry of Air Bags Mark as Favorite (85 Favorites)
In this lesson, students will be introduced to the concept of gram to gram stoichiometry calculations. Students will be guided through a scenario regarding air bags and will be tasked with calculating the amount of gas (NaN3) that must be used to inflate a vehicle air bag to the correct size. Followup practice problems are also provided.

Limiting Reactant, Conservation of Mass, Stoichiometry, Mole Concept  High School
Animation: Limiting Reactant Animation Mark as Favorite (52 Favorites)
This animation explores what happens in a limiting reactant problem on the particulate level. Assembling a bike is used as an analogy to introduce the concept of limiting reactant, and then the balanced equation of the combustion of methane is used in four quantitative examples to show what it means for a chemical to be a limiting reactant. The concept of the conservation of mass is also demonstrated by calculating masses from the mole quantities of the reactants and products. **This video has no audio**

Limiting Reactant, Stoichiometry, Dimensional Analysis, Mole Concept, Scientific Method  High School
Lab: Limiting Reactants in Brownies Mark as Favorite (23 Favorites)
In this lesson, students will investigate the idea of limiting reactant using a brownie recipe.

Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Measurements, Observations, Error Analysis, Separating Mixtures, Error Analysis, Dimensional Analysis, Mole Concept  High School
Lab: Limiting Reactant Lab Mark as Favorite (68 Favorites)
In this lab, students react copper(II) chloride with aluminum to determine the limiting reactant. They then isolate one product to determine their percent yield.

Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Chemical Change, Error Analysis, Dimensional Analysis, Acid Base Reactions, pH  High School
Lab: Limiting Reactant in a Balloon Mark as Favorite (51 Favorites)
In this lab, students perform a reaction between acetic acid and sodium bicarbonate and determine the amount of product formed and the limiting reactant.

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
Lab: White Lab Mark as Favorite (48 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.

Limiting Reactant, Balancing Equations, Stoichiometry, Observations, Chemical Change  High School
Lesson Plan: Observing the Limiting Reactant Mark as Favorite (13 Favorites)
In this lesson, students will be introduced to the concept of limiting reactants by applying various literacy strategies to a onepage informational text and through a short demonstration (or lab). The reading and demo will help students create connections between the macroscopic, particulate, and symbolic representations of chemical reactions and limiting reactants.

Limiting Reactant, Balancing Equations, Stoichiometry, Conservation of Mass  High School
Activity: Limiting Reactants Using Particulate Diagrams Mark as Favorite (36 Favorites)
In this activity, students will practice drawing particulate diagrams to help them determine the limiting reactant given a certain number of reactant molecules. Students’ practice with particulate diagrams will help them better visualize and understand limiting reactant calculations. The visualizations provided in this activity are helpful at all levels, from beginning chemistry students up through AP chemistry students, who will need to be comfortable with particulate diagrams for the AP exam.

Calorimetry, Exothermic & Endothermic, Temperature, Stoichiometry, Limiting Reactant, Chemical Change, Molarity, Enthalpy, Heat, Concentration, Experimental Design, Scientific Method  High School
Lab: Less Than Zero Mark as Favorite (33 Favorites)
In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

Combustion, Limiting Reactant, Catalysts, Gas Laws, Stoichiometry, Activation Energy, Enthalpy, Energy Diagrams, Experimental Design  High School
Lab: Launching Rockets Mark as Favorite (74 Favorites)
In this lab, students create a stoichiometric mixture of hydrogen and oxygen gases to launch a soda bottle rocket.

Molarity, Concentration, Saturated/Unsaturated/Supersaturated, Mole Concept, Dimensional Analysis, Stoichiometry, Balancing Equations  High School
Lab: KoolAid Mark as Favorite (67 Favorites)
In this lab, students calculate grams of KoolAid powder required to make 3 different solutions of KoolAid (using the molar mass of sugar) with the following concentrations: 0.2 M, 0.5 M, and 1.0 M. Determine the concentration of properly prepared KoolAid through a taste test.

Titrations, Acid Base Reactions, Indicators, Chemical Change, Stoichiometry, Balancing Equations, Concentration, Molarity, Error Analysis, Dimensional Analysis, Measurements  High School
Lab: Vinegar Quality Control Mark as Favorite (38 Favorites)
In this lab, students will perform a titration of a vinegar sample to determine if it is it close to the concentration claimed on the bottle.

Limiting Reactant, Chemical Change, Conservation of Mass, Stoichiometry, Observations, Inferences, Chemical Change, Exothermic & Endothermic  High School
Demonstration: Introducing Limiting Reactants Mark as Favorite (13 Favorites)
In this demonstration, the teacher will perform a series of reactions between acetic acidvinegar and varying amounts of sodium bicarbonate baking sodain order to inflate several Ziploc bags. Students will observe the reactions and analyze the quantities of reactants used as well as the results in order to understand the concept of limiting reactants. Students will also determine if the reaction is an endothermic or exothermic process based on their observations.

Gas Laws, Percent Yield, Stoichiometry, Dimensional Analysis, Measurements, Error Analysis  High School
Lab: Ideal Gas Law Mark as Favorite (63 Favorites)
In this lab, students use the reaction of an antacid table with water to inflate a balloon. They then use the ideal gas law to determine the number of moles of gas produced by the reaction.

Gas Laws, Ideal Gas, Volume, Temperature, Pressure, Kinetic Molecular Theory, Density, Graphing, Density, Chemical Change, Stoichiometry, Balancing Equations, Chemical Change, Dimensional Analysis  High School
Lesson Plan: The Gas Laws Unit Plan Mark as Favorite (85 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 the Gas Laws to your students.

Identifying an Unknown, Culminating Project, Classification of Reactions, Experimental Design, Scientific Method, Interdisciplinary, Review, Balancing Equations, Stoichiometry, Concentration, Molarity  High School
Lab: The Culminating Unknown Mark as Favorite (34 Favorites)
In this lab, students identify an unknown from a list of 12 possible compounds by designing a procedure and using evidence to prove their claim. They must draw from knowledge gained throughout the year to properly develop a procedure to identify the unknown.

Limiting Reactant, Stoichiometry, Balancing Equations, Mole Concept, Dimensional Analysis, Molar Mass  High School
Activity: Sweet Stoichiometry Reactions Mark as Favorite (58 Favorites)
In this activity, students will use candy to investigate stoichiometry and molegram relationships in chemical equations, but could also be used to introduce the concept of limiting reactants.

Stoichiometry, Dimensional Analysis, Mole Concept  High School
Lesson Plan: How to do Stoichiometry Problems Mark as Favorite (56 Favorites)
In this lesson, students learn templates for performing stoichiometry problems. They then put the methods to the test with a practice worksheet.

Stoichiometry, Dimensional Analysis, Mole Concept, Gas Laws, Ideal Gas, Molarity, Concentration, Electrolysis, Electrons  High School
Lesson Plan: Stoichiometry Setup Method Mark as Favorite (65 Favorites)
In this lesson, students will learn how to follow a process of visual cues in combination with a stepbystep problem solving method for different types of stoichiometric problems. This method can be particularly beneficial for students who struggle with completing multistep calculations.

Solute & Solvent, Molarity, Tyndall Effect, Concentration, Stoichiometry, Dimensional Analysis, Mole Concept  High School
Activity: Solubility & Solutions Mark as Favorite (21 Favorites)
In this inquiry activity, students investigate types of solutions, identifying the solute and solvent, and classifying each solution. They them solve stoichiometry problems involving solutions of different concentrations.