Activity Number
278
Editable
Overview and Learning Objectives
Central Concepts
Benchmarks and Standards
Activity Credits
Requirements

Chemical Reactions (interactive essay by Charles Xie)

Interactive model, with minimal support

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  • Java 1.5+ - Java 1.5+ is available for Windows, Linux, and Mac OS X 10.4 and greater. If you are using Mac OS X 10.3, you can download MW Version 1.3 and explore within it instead.

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Overview and Learning Objectives

This is an advanced multi-model unit that introduces chemical reactions and transitional states. It ends with the making of water in the 2H2+O2=2H2O reaction.

This is designed to provide advanced high school and college teachers with an overview of the theoretical considerations that go into modeling chemical reactions.

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Central Concepts

Key Concept:

Chemical reactions follow pathways of minimum energy.

Additional Related Concepts

Physics/Chemistry

  • Atom
  • Bonds
  • Breaking bonds
  • Catalyst

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Benchmarks and Standards

AAAS

  • THE PHYSICAL SETTING: THE STRUCTURE OF MATTER - The rate of reactions among atoms and molecules depends on how often they encounter one another, which is affected by the concentration, pressure, and temperature of the reacting materials (Full Text of Standard)

NSES

  • Physical-Science: Chemical Reactions - 2 Chemical reactions may release or consume energy (Full Text of Standard)

  • Physical-Science: Chemical Reactions - 3 A large number of important reactions involve the transfer of either electrons (oxidation/reduction reactions) or hydrogen ions (acid/base reactions) (Full Text of Standard)

  • Physical-Science: Chemical Reactions - Catalysts, such as metal surfaces, accelerate chemical reactions (Full Text of Standard)

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Activity Credits

Created by CC Project: TELS using Molecular Workbench

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Requirements

  • Java 1.5+ - Java 1.5+ is available for Windows, Linux, and Mac OS X 10.4 and greater. If you are using Mac OS X 10.3, you can download MW Version 1.3 and explore within it instead.

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NSF Logo
These materials are based upon work supported
by the National Science Foundation under grant numbers
9980620, ESI-0242701, EIA-0219345, DUE-0402553, and 0628181.

Any opinions, findings, and conclusions or recommendations expressed in this
material are those of the author(s) and do not necessarily reflect
the views of the National Science Foundation.