Copper Penny Reacting with Nitric Acid

Copper Penny Reacting with Nitric Acid

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Credit: Charles D. Winters/SCIENCE PHOTO LIBRARY

Caption: Copper penny reacting with nitric acid. Copper is oxidized by concentrated nitric acid, HNO3, to produce Cu2+ ions; the nitric acid is reduced to nitrogen dioxide, a poisonous brown gas with an irritating odor.

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Keywords: acid, beaker, cent, chemical reaction, chemistry, copper, cu2, demo, demonstration, educational, experiment, gas, hno3, lab, laboratory, metal, nitric, nitric acid, nitrogen dioxide, object, penny, react, reacting, reaction, science, still life

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