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Copper reacting with silver nitrate

Copper reacting with silver nitrate

C030/8166

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70.3 MB (5.1 MB compressed)

3512 x 7000 pixels

29.7 x 59.2 cm ⏐ 11.7 x 23.3 in (300dpi)

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Credit

GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY

Caption

Copper reacting with silver nitrate. US copper penny (1 cent coin minted in 1962) was half-submerged into a Petri dish containing a 0.2M solution of silver nitrate (AgNO3). Since copper is more reactive than silver, a single-displacement reaction occurred: Cu + AgNO3 -> Ag + Cu(NO3)2. In this sequence top frame was taken before the coin was put into the solution, middle frame was taken after it had been in the solution for 1 min, bottom frame was taken after the coin had been in the solution for 8 min and then removed. Note metal silver that remained in the solution at the end.

Release details

Model release not required. Property release not required.

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