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.
'Birdman' wins four Oscars, including best picture. Brian Truitt, USA TODAY 1:25 a.m. EST February 23, 2015. Director Alejandro G. Inarritu and the cast and crew of Birdman accept the Oscar for best picture, one of four wins for the movie at Sunday's Academy Awards in Hollywood. (Photo: John Shearer/Invision/AP).