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.
Several actors have won 2 oscars in their careers, but only WALTER BRENNAN and JACK NICHOLSON have achieved a record 3 Oscars for Best Acting in Leading and/or Supporting roles. LAURENCE OLIVIER was nominated 11 times (10 for acting roles) during his career - a record only surpassed recently by JACK NICHOLSON with his 12th acting nomination in 2002.