Answer: An instructor performed a lecture demonstration of
Chapter 13, Problem 13.137(choose chapter or problem)
An instructor performed a lecture demonstration of the thermite reaction (see p. 258). He mixed aluminum with iron(III) oxide in a metal bucket placed on a block of ice. After the extremely exothermic reaction started, there was an enormous bang, which was not characteristic of thermite reactions. Give a plausible chemical explanation for the unexpected sound effect. The bucket was open to air.
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