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.
The former win was for Raging Bull and the latter was for The Godfather: Part II.. Tom Hanks. Hanks has been nominated for five Oscars and won twice. He won for Best Actor two years in a row: first for Philadelphia in 1993 and then for Forrest Gump in 1994. Christoph Waltz. Waltz is a newcomer to the Oscars but has an impressive track record so far.