Will give the following balanced equation: 2k + br2 —-> 2kbr
a. list each element on the reactant side and each element on the product side and assign the correct oxidation number to each.
b. identify which element is oxidized in the reaction and which is reduced.
c. identify the oxidizing agent in this reaction.

See below.

Explanation:

A. The reactants are Potassium and Bromine. The product is Potassium bromide.

B The Potassium is oxidised and the Bromine is reduced.

C. The oxidising agent id Bromine.

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

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