49.1 MB (3.9 MB compressed)
3343 x 5130 pixels
28.2 x 43.4 cm ⏐ 11.1 x 17.1 in (300dpi)
TURTLE ROCK SCIENTIFIC / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY TURTLE ROCK SCIENTIFIC / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Copper reacts with nitric acid. Copper metal (Cu) coil is placed in a test tube with concentrated (17M) nitric acid (HNO3). Copper is oxidized to form copper nitrate (Cu(NO3)2) and brown nitrogen dioxide gas (NO2) bubbles: Cu + HNO3 -> Cu(NO3)2 + NO2 + H2O.
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