Classroom Resources: Quantitative Chemistry
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Redox Reaction, Oxidation, Reduction, Half Reactions, Cathode, Anode, Electron Transfer, Electrolysis, Electrolytic Cells, Error Analysis, Error Analysis, Accuracy, Chemical Change, Accuracy, Dimensional Analysis, Mole Concept, Significant Figures  High School
Lesson Plan: Recycling Copper from EWaste Mark as Favorite (11 Favorites)
In this lesson, students will consider the need for innovative solutions to ewaste both from an environmental perspective as well as for the economic benefit to reclaiming raw materials from used electronic devices. They will then take on the role of an electroplate technician who is tasked with evaluating the effectiveness of a copper recycling process that uses electrolysis to purify and recover copper metal from ewaste. As ewaste is a relatively new—and growing—issue, it demonstrates how new industries can develop that utilize skills from existing jobs.

Titrations, Indicators, Accuracy, Dimensional Analysis, Error Analysis, Measurements, Significant Figures, Concentration, Redox Reaction, Reduction, Oxidation  High School
Lesson Plan: Vitamin C Quality Control Mark as Favorite (11 Favorites)
In this lesson, students will learn about a career in the skilled technical workforce, develop skills utilized in a quality control lab, and obtain data that may not have a clear “right answer.” For example, though many overthecounter medications and vitamins state the amount of active ingredient, any individual tablet may have between 97 to 103% of the stated label claim. In addition, any products past the expiry date may have less due to potential decomposition. Students practice scientific communication by reporting their findings in a professional manner.

Measurements, Significant Figures, Accuracy, Error Analysis, Intermolecular Forces, Accuracy, Error Analysis  High School
Lesson Plan: Fit for Consumption? Mark as Favorite (2 Favorites)
In this lesson, students will learn about a product recall of baby formula. Students will explore regulations around foods for human consumption and the quality control process that is part of food production. They will use their knowledge of the difference in intermolecular forces between solids and liquids to determine the moisture content in samples of powders. Students will then assume the role of quality control technicians and write a report in which they provide a datainformed decision as to whether their batch should be discarded or is fit for consumption.

Partial Pressure, Gas Laws, Ideal Gas, Pressure, Molar Mass, Measurements, Error Analysis  High School
Lab: Molar Mass of Butane Mark as Favorite (12 Favorites)
In this lab, students will experimentally determine the molar mass of butane using Dalton’s law and the ideal gas law. They will also calculate the percent error and explain possible sources of error.

Hess's Law, Calorimetry, Heat, Enthalpy, Error Analysis  High School
Lab: Utilizing Hess's Law Mark as Favorite (33 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.

Measurements, Error Analysis, Scientific Notation, Density, Identifying an Unknown  Middle School
Lab: A Chemistry Calculation Challenge Mark as Favorite (7 Favorites)
Students will apply their knowledge to solve four challenging chemistrybased calculation problems involving mass, volume, density, and number of molecules.

Measurements, Error Analysis, Accuracy, Accuracy, Significant Figures, Error Analysis  Middle School, High School
Lab: Accuracy, Precision, and Error in Measurements Mark as Favorite (24 Favorites)
In this lab, students make measurements of length and width using four measuring tools. They will measure the same object using measuring sticks of different precision. They will observe that the exactness of a measurement is limited by the precision of the measuring instrument.

Partial Pressure, Gas Laws, Ideal Gas, Molar Mass, Pressure, Measurements, Error Analysis  High School
Lab: Determination of the Molar Mass of Butane Mark as Favorite (5 Favorites)
In this lab, students will experimentally determine the molar mass of a gas, specifically butane (C4H10), by collection over water. This experiment is an inquiry based experiment for 2nd year chemistry or AP chemistry students who have previously collected an insoluble gas.

Significant Figures, Measurements, Accuracy, Density, Accuracy, Error Analysis, Error Analysis  Middle School, High School
Lab: Significant Figures and Lab Data Mark as Favorite (91 Favorites)
In this lesson, students will use laboratory equipment of different precision to collect data for several different metals, and then use the data to calculate the density of each. They will then compare their calculated densities to accepted values and determine the combination of equipment that leads to the most accurate calculation of density.

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 (69 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.

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.

Titrations, Equivalence Point, Indicators, Acid Base Reactions, Chemical Change, Salts, Molarity, Reaction Rate, Order of Reaction , Error Analysis  High School
Lab: Titration Lab with Kinetics Mark as Favorite (14 Favorites)
In this lab, students calculate the molarity of an unknown using a titration and also by solving for a dilution.

Density, Measurements, Graphing, Experimental Design, Scientific Method, Physical Properties, Error Analysis, Significant Figures, Error Analysis  High School
Lab: Investigating the Density of an Irregular Solid Object Mark as Favorite (36 Favorites)
In this lab, students will use common laboratory equipment to devise a method to measure the density of several irregular objects. They will then create a formal laboratory report using both their own data and data from the entire class.

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.

Calorimetry, Law of Conservation of Energy, Combustion, Heat of Combustion, Specific Heat, Heat, Exothermic & Endothermic, Bond Energy, Temperature, Measurements, Accuracy, Dimensional Analysis, Error Analysis  High School
Lab: How Much Energy is in Your Snack Food? Mark as Favorite (48 Favorites)
In this lab, students will find the amount of heat energy stored in foods and compare heat calories with food calories.

Density, Physical Properties, Graphing, Interdisciplinary, Observations, Error Analysis, Measurements, Error Analysis  High School
Lab: Graphing Density Mark as Favorite (28 Favorites)
In this lab, students will collect data and then use graphing to determine the density values of unknown metal samples.

Accuracy, Measurements, Error Analysis, Accuracy, Error Analysis  High School
Lab: Glassware Accuracy Mark as Favorite (66 Favorites)
In this lab, students use different types of laboratory glassware to measure 50 mL of water and determine the accuracy of each piece of glassware.

Density, Pressure, Temperature, Volume, Density, Error Analysis, Error Analysis, Measurements  High School
Lab: Gas Density and Relative Molecular Mass Mark as Favorite (3 Favorites)
In this lab, students will quantitatively determine the densities of four gases.

Classification of Reactions, Oxidation, Reduction, Percent Yield, Stoichiometry, Chemical Change, Redox Reaction, Activity Series, Error Analysis, Dimensional Analysis, Mole Concept, Measurements  High School
Lab: Extracting Copper From Ore Mark as Favorite (16 Favorites)
In this lab, students extract copper from copper carbonate using two different methods, and then determine which industrial method is most effective.

Conservation of Mass, Conservation of Matter, Chemical Change, Classification of Reactions, Percent Yield, Balancing Equations, Error Analysis, Accuracy, Chemical Change, Chemical Properties, Conservation of Mass, Conservation of Matter, Observations, Separating Mixtures  High School
Lab: Reactions of Copper Mark as Favorite (13 Favorites)
In this lab, students will convert copper metal into different copper compounds and then back to copper to illustrate conservation of matter.

Catalysts, Reaction Rate, Experimental Design, Scientific Method, Chemical Change, Error Analysis, Balancing Equations, Percent Yield, Stoichiometry, Chemical Change, Measurements, Error Analysis, Dimensional Analysis  High School
Lesson Plan: Catalysis & Catalytic Converters Mark as Favorite (10 Favorites)
In this lesson students will be introduced to catalysts while expanding their knowledge of chemical reactions and stoichiometry. They will first learn about catalytic converters and then be challenged to create the best “catalytic converter” of hydrogen peroxide to oxygen gas in an inquirybased activity.

Stoichiometry, Percent Yield, Classification of Reactions, Balancing Equations, Chemical Change, Dimensional Analysis, Error Analysis, Measurements, Accuracy  High School
Lab: Baking Soda Stoichiometry Mark as Favorite (53 Favorites)
In this lab, students will decompose baking soda and use stoichiometry to determine the proper balanced chemical equation of its decomposition.

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
Lab: AcidBase Mole Ratio Mark as Favorite (12 Favorites)
In this lab, students study several concepts, including acidbase 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.

Limiting Reactant, Classification of Reactions, Stoichiometry, Balancing Equations, Error Analysis  High School
Lab: Mole Relationships in a Single Displacement Reaction Mark as Favorite (23 Favorites)
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.