Iodine Clock Reaction Photograph by Martyn F. Chillmaid/science Photo Library

Iodine Clock Reaction

by Martyn F. Chillmaid/science Photo Library

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Title

Iodine Clock Reaction

Artist

Martyn F. Chillmaid/science Photo Library

Medium

Photograph - Photograph

Description

Iodine clock reaction. This is the end of the experiment. A clear solution of potassium iodide, sodium thiosulfate, and starch is added to a clear solution of hydrogen peroxide with sulfuric acid in the conical flask. Chemical equilibrium has been reached when the solution turns a dark blue/black. The digital timer is stopped and the reaction time is read off.

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May 9th, 2022

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