CaO (calcium oxide) 1 .1 0 Physical and chemical change (i.e. A reaction) in the state gem of a 1997 opera named for explorer Baron Von Steuben round Double Jeopardy! Show_number 4963 category THE HOLLYWOOD FOREVER CEMETERY air_date 2008-11-28 question 'Removal of some kind of water equals 6 feet' value $600 answer baseball round Jeopardy! Show_number 2831 category ACTORS & THEIR ROLES air_date 2007-04-16 question 'Dr. Kenneth Cooper added \S\ to this nearly 6000-seat hall.