Copper penny reacts with nitric acid. US copper penny (1 cent coin minted in 1980) is partially immersed into concentrated (8M) nitric acid (HNO3). Copper is oxidized to form blue copper nitrate (Cu(NO3)2) and brown nitrogen dioxide gas (NO2) bubbles: Cu + HNO3 -> Cu(NO3)2 + NO2 + H2O. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Turtle Rock Scientific |
Taille de l’image : | 5152 px × 3429 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |