This resource is a teacher guide to a lab where students investigate the effect of temperature and concentration on the rate of a reaction between red food dye and bleach. Using a spectrophotometer, students use absorbance to measure the rate of the reaction as the color of the reaction mixture changes from red to colorless. Student Guide available at the following URL: http://www.gvsu.edu/targetinquiry/tidocuments/files/tidocuments/F96C4944-90D6-B71D-5958F7670741B218.pdf
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