[Solved] A 15.5 gram sample of diphosphorous pentoxide contains how many grams of phosphorous? A)3.38 B)1.69 C)6.76 D)13.5 E)none of the above Barbiturates: A group of drugs that act as central nervous system depressants, often used for their sedative, hypnotic, and anticonvulsant properties. Erotic Movie Clip: A short segment of film designed to provoke sexual arousal or interest. Sexual Fantasies: Imagined sexual scenarios that individuals find arousing or erotic. Substance Addiction: A chronic condition characterized by compulsive drug seeking and use despite harmful consequences.