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Brass reacts with nitric acid

Brass reacts with nitric acid

C044/5796

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70.7 MB (6.0 MB compressed)

8700 x 2840 pixels

73.7 x 24.1 cm ⏐ 29.0 x 9.5 in (300dpi)

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Credit

TURTLE ROCK SCIENTIFIC / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY TURTLE ROCK SCIENTIFIC / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY

Caption

Brass reacts with nitric acid. Brass fitting is placed in a beaker with concentrated (17M) nitric acid (HNO3). Brass is an alloy of copper (Cu) and zinc (Zn). Copper in the brass is oxidized to form copper nitrate (Cu(NO3)2) and brown nitrogen dioxide gas (NO2) bubbles: Cu + HNO3 -> Cu(NO3)2 + NO2 + H2O. The progression of the reaction is shown in this sequence.

Release details

Model release not required. Property release not required.

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