Hydrates are compounds that incorporate water molecules into their fundamental solid structure. In a hydrate (which usually has a specific crystalline form), a defined number of water molecules are associated with each formula unit of the primary material. Gypsum is a hydrate with two water molecules present for every formula unit of CaSO4.
LOS ANGELES, California (CNN) -- After losing out five times, director Martin Scorsese was awarded his first Oscar on Sunday for his mob informer movie The Departed.. And moments after Scorsese walked offstage, clutching his Oscar, The Departed was named best picture.
Katharine Hepburn and Barbra Streisand tie for best actress (1968) There have been exactly six ties in Oscar history, but none as high profile as the statistical dead heat of 3,030 votes each that led to the split for Hepburn (for âThe Lion in the Winterâ) and Streisand (âFunny Girlâ).