COLUMBIA, S.C. — This experiment is a chemistry experiment that involves a reaction between copper and oxygen, also know as an oxidation reaction. To do this experiment, you will need: pennies a sheet ...

Pennies, which are made out of a metal called Copper, are bright and shiny when first made. When copper mixes with oxygen it causes a chemical reaction that can turn the pennies brown or green and ...

This false-color image, produced with scanning electron microscopy, shows microscopic details on the surface of a copper foil that was used as a catalyst in a chemical reaction studied at Berkeley Lab ...

For over a century, one of chemistry’s most important reactions has kept a secret. The Ullmann reaction, first discovered in ...

Since the 1970s, scientists have known that copper has a special ability to transform carbon dioxide into valuable chemicals and fuels. But for many years, scientists have struggled to understand how ...