Question

Write down the word equation or balanced equation for the action of concentrated nitric acid on copper.

Answer 1

Balanced equation for the action of concentrated nitric acid on copper:

$3\mathrm{Cu}+8{\mathrm{HNO}}_3\to 3\mathrm{Cu}{\left({\mathrm{NO}}_3\right)}_2+4{\mathrm{H}}_2\mathrm{O}+2\mathrm{NO}$