Watch glass of copper II sulphate pentahydrate (5 parts water,blue) and anhydrous (de-hydrated) copper sulphate (white). In the hydrated form water is held within the structure of this chemical by hydration bonds. When it is heated,the hydration bonds are broken and the water evaporates,leaving behind anhydrous copper (II) sulphate | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 5743 px × 3840 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |