You should notice little white granules collected in the bottom corner of the bag. These granules are a special water-absorbing chemical called sodium polyacrylate. 5. Slowly open the bag and ...

First, they submerged the samples in a hydrogel solution containing small compounds that behave as liquid until they link up into polymer chains that absorb water and congeal into a gel. These ...

When the atmosphere above the liquid has as much ethanol as it can hold ... Bonds in both molecules are broken and new ones formed, resulting in different molecules. Sodium polyacrylate is a ...