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An Iodine Clock Reaction

        

An Iodine Clock Reaction

Logo for An Iodine Clock Reaction
A simulated experiment and animation based on the iodine clock reaction using iodate and iodide in acetate buffers in the presence of arsenious acid and starch.
Material Type: Simulation
Technical Format: Javascript
Date Added to MERLOT: May 05, 2002
Date Modified in MERLOT: May 13, 2015
Author:
Submitter: Gary Bertrand

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About

Primary Audience: High School, College General Ed
Mobile Compatibility: Not specified at this time
Language: English
Cost Involved: no
Source Code Available: yes
Accessiblity Information Available: no
Creative Commons: unsure

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Avatar for Joe Vitt
12 years ago

Joe Vitt (Faculty)

This is really cool...I had students use this site and compare their experiences to when we did the iodine clock reaction in the general chemistry lab. It was easy to supplement the reactions the students ran in lab with the simulations. Students could obtain more results without creating more waste or taking more time. This simulation could even be used in place of an actual lab for classes without lab access or for distance-learning courses. Here are two sample student comments comparing the two labs:

"I think I learned more in this lab than in the real lab. This is the kind of thing I will remember for a long time. Thanks I would have liked to do more of this in the labs."

"I like to do hands on things so the lab was a lot more fun to me than the computer, but it was easier to see the concept behind the experiment on the computer."

Technical Remarks:

The simulation works very well and was easy for students to use.
Used in course