: an isomer that is a stereoisomer of a compound having two or more chiral centers and that is not a mirror image of another stereoisomer of the same compound â
A compact disc is a deceptively simple looking device considering the technology required to make it. 1  CDs consist of three layers of materials: 2  A base layer made of a polycarbonate plastic. 3  A thin layer of aluminum coating over the polycarbonate plastic. 4  A clear protective acrylic coating over the aluminum layer.
Full Answer. A paper or plastic sleeve on a CD adds 0.11 ounces. A slim plastic jewel case adds 1.5 ounces, and a standard plastic jewel case adds 2.5 ounces. Using these figures, the weight of 100 CDs in sleeves is 69 ounces. The weight of 100 CDs in slim plastic jewel cases is 208 ounces.