GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Displacement reaction, magnesium. Magnesium coil was added to a test tube containing a 0.2M copper (II) sulfate solution. Since magnesium is more reactive than copper, a single-displacement reaction occurred. Copper metal and magnesium sulfate formed as a result: Mg + CuSO4 -> Cu + MgSO4. In this sequence left frame was taken seconds after the coil was added, right frame was taken after about 1 hour. Note hydrogen gas bubbles that were produced in a secondary reaction.
Model release not required. Property release not required.