8. Lesson 8: Modeling A Chemical Reaction

Carole Namowicz, Shruti Researcher
Chemistry
100 min
High School
v4
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Overview

Students will be guided through modeling a full chemical reaction by counting the number of bonds that must be broken versus the number of bonds formed in order to determine if the overall reaction is likely endothermic or exothermic. Individual bond breaking and bond making steps will be included in the model as well as the PE/KE of the system/surroundings throughout the reaction.

Underlying Pages

Standards

Next Generation Science Standards
  •   Physical Science
    • [HS-PS1-4] Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.
    • [HS-PS3-2] Develop and use models to illustrate that energy at the macroscopic scale can be accounted for as a combination of energy associated with the motions of particles (objects) and energy associated with the relative positions of particles (objects)
Computational Thinking in STEM
  •   Data Practices
    • Collecting Data
    • Creating Data
    • Manipulating Data
    • Visualizing Data
    • Analyzing Data
  •   Modeling and Simulation Practices
    • Assessing Computational Models
    • Using Computational Models to Understand a Concept
  •   Systems Thinking Practices
    • Communicating Information about a System
    • Investigating a Complex System as a Whole
    • Thinking in Levels
    • Understanding the Relationships within a System
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