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Product 12786

By: Patricia Mason, Retired, Delphi H.S., Delphi, IN, and Kathy Kitzmann, Mercy H.S., Farmington Hills, MI

In the Characteristics of Chemical Equilibrium Activity-Stations Laboratory Kit, students investigate reaction conditions that may influence equilibrium. Four activities are set up around the lab, each designed to take about 10 minutes.

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Chemical equilibrium is a balancing act—what happens when the balance is disturbed? In this activity-stations lab, students investigate various reaction conditions that may influence that balance. Four “mini-lab” activities are set up around the classroom, each designed to take about 10 minutes. Student groups may rotate through the four stations in any order. Each activity focuses on a specific property of chemical equilibrium: The Nature of Equilibrium, Concentration Effect, Temperature Effect, and the Effect of Pressure. Includes Teacher Notes with real sample data, comprehensive background information, reproducible student handouts and all necessary chemicals and consumables. Activity-stations lab format lets you do more labs in less time!

Complete for 24 students working in groups of three. Perform this experiment in a fume hood or well-ventilated lab.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Planning and carrying out investigations
Analyzing and interpreting data
Using mathematics and computational thinking

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
MS-PS1.B: Chemical Reactions
HS-PS1.A: Structure and Properties of Matter
HS-PS1.B: Chemical Reactions

Crosscutting Concepts

Cause and effect
Scale, proportion, and quantity
Systems and system models
Energy and matter

Performance Expectations

HS-PS1-8: Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.