Copper reacting with silver nitrate, 3 of 3

Copper reacting with silver nitrate, 3 of 3

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Caption: Copper reacting with silver nitrate, 3 of 3. US copper penny (1 cent coin minted in 1981) was put into a Petri dish. 0.2M solution of silver nitrate (AgNO3) was then added. Since copper is more reactive than silver, a single-displacement reaction occurred: Cu + AgNO3 -> Ag + Cu(NO3)2. In this sequence Photo 1 was taken before the solution was added. Photo 2 was taken after the coin had been in the solution for 1 min. Photo 3 was taken after the coin had been in the solution for 7 min. Note the solution becomes slightly bluish due to Cu2+ ions. Photo 3 of 3.

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Keywords: ag, agno3, cent, chemical, chemistry, coin, compound, copper, copper nitrate, cu, cuno32, displacement reaction, metal, oxidation reduction reaction, penny, petri dish, reaction, reactivity, replacement reaction, salt, sequence, series, silver, silver nitrate, single displacement reaction, single replacement reaction, solution, transition metal

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