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FlinnPREP™ Inquiry Labs for AP® Chemistry: Rate of Decomposition of Calcium Carbonate

By: The Flinn Staff

In the Rate of Decomposition of Calcium Carbonate Inquiry Lab Solution for AP® Chemistry, students use two approaches to explore measurement and analysis of rate law evidence. Comparing results reinforces lab skills.

Includes access to exclusive FlinnPREP™ digital content to combine the benefits of classroom, laboratory and digital learning. Each blended learning lab solution includes prelab videos about concepts, techniques and procedures, summary videos that relate the experiment to the AP® exam, built-in student lab safety training with assessments, and standards-based, tested inquiry labs with real sample data. FlinnPREP™ Inquiry Lab Solutions are adaptable to you and how you teach with multiple ways to access and run your AP® labs.

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Big Idea 4, Investigation 10, Primary Learning Objective 4.1 

Investigate how reaction rates are measured and how concentration affects the rate of a reaction by designing kinetics experiments for the heterogeneous reaction of calcium carbonate with hydrochloric acid. 

In the introductory activity, students measure the gradual evolution of carbon dioxide gas from the decomposition of calcium carbonate with acid using special equipment. The procedure provides a model for guided-inquiry design of kinetics experiments to determine the rate of reaction with different concentrations of acid. Using a cooperative approach, students compare measurements of both mass loss and volume of gas generation versus time and determine initial reaction rates from the resulting graphs. The effect of particle size provides opportunities for further inquiry. 

The lab fulfills AP learning objectives for the measurement and analysis of evidence rate law experiments. Comparing results from two approaches reinforces science practice skills for evaluating sources of data. 

Complete for 24 students working in pairs. Refill kit includes chemicals and consumable supplies.

FLINNprep is just one of the powerful learning pathways accessed via PAVO, Flinn’s award-winning gateway to standards-aligned digital science content paired with hands-on learning.