Making Heat

Does change in concentration change the amount of heat released in a chemical reaction?

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In this activity the temperature of a reaction is monitored for different concentrations of reactants.

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Subject
Chemistry

Focus Area
Probeware

Grade Level
High School

License
CC BY 4.0

AAAS Benchmark Alignments (2008)

4. The Physical Setting

4D. The Structure of Matter
  • 4D/M3ab. By the end of the 8th grade, students should know that atoms and molecules are perpetually in motion. Increased temperature means greater average energy of motion, so most substances expand when heated.
  • 4D/M4. By the end of the 8th grade, students should know that the temperature and acidity of a solution influence reaction rates. Many substances dissolve in water, which may greatly facilitate reactions between them.
  • 4D/M6b*. By the end of the 8th grade, students should know that an important kind of reaction between substances involves the combination of oxygen with something else-as in burning or rusting.
  • 4D/M11** (NSES). By the end of the 8th grade, students should know that substances react chemically in characteristic ways with other substances to form new substances with different characteristic properties.
4E. Energy Transformations
  • 4E/M4*. By the end of the 8th grade, students should know that energy appears in different forms and can be transformed within a system. Motion energy is associated with the speed of an object. Thermal energy is associated with the temperature of an object. Gravitational energy is associated with the height of an object above a reference point. Elastic energy is associated with the stretching or compressing of an elastic object. Chemical energy is associated with the composition of a substance. Electrical energy is associated with an electric current in a circuit. Light energy is associated with the frequency of electromagnetic waves.
  • 4E/H4*. By the end of the 12th grade, students should know that chemical energy is associated with the configuration of atoms in molecules that make up a substance. Some changes of configuration require a net input of energy whereas others cause a net release.

11. Common Themes

11C. Constancy and Change
  • 11C/H4. By the end of the 12th grade, students should know that graphs and equations are useful (and often equivalent) ways for depicting and analyzing patterns of change.
  • 11C/H10** (SFAA). By the end of the 12th grade, students should know that whatever happens within a system, such as parts exploding, decaying, or reorganizing, some features, such as the total amount of matter and energy, remain precisely the same.

Copyright
© Copyright The Concord Consortium

Record Link
<a href="">The Concord Consortium. Making Heat. Concord: The Concord Consortium, 2010, September 23.</a>

AIP
Making Heat (The Concord Consortium, Concord, 2010, September 23), WWW Document, (https://concord.org/).

AJP
Making Heat (The Concord Consortium, Concord, 2010, September 23), WWW Document, (https://concord.org/).

APA
Making Heat. (2010, September 23). Retrieved 2017, June 25, from The Concord Consortium: https://concord.org/

Disclaimer: The Concord Consortium offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure.

Requirements

This activity runs entirely in a Web browser. Preferred browsers are: Google Chrome (versions 30 and above), Safari (versions 7 and above), Firefox (version 30 and above), Internet Explorer (version 10 or higher), and Microsoft's Edge.

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Innovative Technology in Science InquiryThis resource is a part of the Concord Consortium's Innovative Technology in Science Inquiry project.

Grade Level
High School
Subject
Chemistry
Focus Area
Probeware
Rating
0
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