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Nalliah, Ruth E. – Journal of Chemical Education, 2019
In selecting from a repertoire of traditional kinetics experiments, an instructor often has to choose among having students gain experience with the graphical method, the method of initial rates, or a temperature-dependent experiment in which students construct an Arrhenius plot. This paper presents an environmentally friendly bleaching reaction…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Graphs
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Nalliah, Ruth E. – Journal of Chemical Education, 2015
A demonstration of the degradation of food coloring dyes by oxidation via the Fenton reaction can be substituted with a simpler demonstration using the oxidant oxone with iron(II) ions as an activator. The addition of small amounts of solid oxone and iron(II) sulfate to solutions containing mixtures of food coloring results in successive…
Descriptors: Science Instruction, Secondary School Science, High Schools, College Science