C. What will you observe when
1. copper metal is reacted with hot and concentrated
nitric acid?
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Step-by-step explanation:
A few drops of nitric acid are placed on an older copper penny (and the reaction is shown). Discussion: The reaction produces red-brown nitrogen dioxide gas and a hot, concentrated solution of copper(II) nitrate, which is blue. As the water evaporates and the solution cools, crystals of Cu(NO3)2(s) begin to form.
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Step-by-step explanation:
ANSWER ✍️
Copper reacts with hot and concentrated sulfuric acid to form copper sulfate, sulfur dioxide gas and water.
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