# Classroom Resources: Quantitative Chemistry

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1 – 22 of 22 Classroom Resources

• Gas Laws, Pressure, Measurements, Molar Mass, Ideal Gas, Partial Pressure, Error Analysis | High School

### Lab: Molar Mass of Butane

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.

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

### Lab: Utilizing Hess's Law

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.

• Accuracy, Measurements, Significant Figures, Accuracy, Error Analysis, Error Analysis | Middle School, High School

### Lab: Accuracy, Precision, and Error in Measurements

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.

• Gas Laws, Pressure, Measurements, Molar Mass, Ideal Gas, Partial Pressure, Error Analysis | High School

### Lab: Determination of the Molar Mass of Butane

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.

• Density, Accuracy, Measurements, Significant Figures, Accuracy, Error Analysis, Error Analysis | Middle School, High School

### Lab: Significant Figures and Lab Data

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.

• Density, Introduction, Interdisciplinary, Accuracy, Dimensional Analysis, Measurements, Scientific Notation, Significant Figures, Accuracy, Error Analysis, Error Analysis | High School

### Lab: Math and Measurement

In this lab, students will practice introductory math skills that will be used in chemistry all year. This includes metric conversion, significant figures, scientific notation, dimensional analysis, density, percent error, accuracy and precision, as well as using lab equipment.

• Accuracy, Measurements, Accuracy, Error Analysis, Error Analysis | High School

### Lab: Glassware Accuracy

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.

• Chemical Change, Chemical Change, Concentration, Acid Base Reactions, Molarity, Balancing Equations, Stoichiometry, Limiting Reactant, Chemical Change, Measurements, Titrations, Indicators, Graphing, Equivalence Point, Error Analysis, Error Analysis | High School

### 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, Concentration, Acid Base Reactions, Molarity, Balancing Equations, Stoichiometry, Dimensional Analysis, Measurements, Titrations, Indicators, Error Analysis | High School

### Lab: Vinegar Quality Control

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.

• Chemical Change, Reaction Rate, Acid Base Reactions, Molarity, Titrations, Indicators, Order of Reaction , Salts, Equivalence Point, Error Analysis | High School

### Lab: Titration Lab with Kinetics

In this lab, students calculate the molarity of an unknown using a titration and also by solving for a dilution.

• Combustion, Accuracy, Dimensional Analysis, Measurements, Calorimetry, Heat, Specific Heat, Temperature, Exothermic & Endothermic, Heat of Combustion, Law of Conservation of Energy, Bond Energy, Error Analysis | High School

### Lab: How Much Energy is in Your Snack Food?

In this lab, students will find the amount of heat energy stored in foods and compare heat calories with food calories.

• Density, Temperature, Density, Pressure, Measurements, Volume, Error Analysis, Error Analysis | High School

### Lab: Gas Density and Relative Molecular Mass

In this lab, students will quantitatively determine the densities of four gases.

• Gas Laws, Percent Yield, Stoichiometry, Dimensional Analysis, Measurements, Error Analysis | High School

### Lab: Ideal Gas Law

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.

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

### 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.

• Observations, Separating Mixtures, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Measurements, Error Analysis, Error Analysis | High School

### Lab: Limiting Reactant Lab

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.

• Acid Base Reactions, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Chemical Change, Dimensional Analysis, pH, Error Analysis | High School

### Lab: Limiting Reactant in a Balloon

In this lab, students perform a reaction between acetic acid and sodium bicarbonate and determine the amount of product formed and the limiting reactant.

• Reduction, Percent Yield, Activity Series, Stoichiometry, Redox Reaction, Classification of Reactions, Mole Concept, Chemical Change, Dimensional Analysis, Measurements, Oxidation, Error Analysis | High School

### Lab: Extracting Copper From Ore

In this lab, students extract copper from copper carbonate using two different methods, and then determine which industrial method is most effective.

• Observations, Separating Mixtures, Chemical Change, Conservation of Mass, Lab Safety, Conservation of Matter, Balancing Equations, Percent Yield, Conservation of Mass, Classification of Reactions, Accuracy, Chemical Change, Chemical Properties, Conservation of Matter, Error Analysis | High School

### Lab: Reactions of Copper

In this lab, students will convert copper metal into different copper compounds and then back to copper to illustrate conservation of matter.

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

### 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, Reaction Rate, Catalysts, Balancing Equations, Percent Yield, Stoichiometry, Chemical Change, Dimensional Analysis, Measurements, Scientific Method, Error Analysis, Experimental Design, Error Analysis | High School

### Lesson Plan: Catalysis & Catalytic Converters

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 inquiry-based activity.

• Density, Physical Properties, Measurements, Significant Figures, Scientific Method, Graphing, Error Analysis, Experimental Design, Error Analysis | High School

### Lab: Investigating the Density of an Irregular Solid Object

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.

• Observations, Density, Physical Properties, Interdisciplinary, Measurements, Graphing, Error Analysis, Error Analysis | High School

### Lab: Graphing Density

In this lab, students will collect data and then use graphing to determine the density values of unknown metal samples.

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Grade Level: High School