When the temperature of a metal cylinder is raised from 0.0C to 126C, its length increases by 0.29% (a) Find the percent change in density. (b) What is the metal? Use Table below. Some Coefficients of Linear Expansion* Substance a (10-6/0) Ice (at 0.C) 51 Lend 29 Aluminum 23 Brass 19 Copper 17 Concrete 12 Steel 11 Glass (ordinary) Glass ( Pyrex) 3.2 Diamond 1.2 Invar 0.7 Fused quartz 05 "Room temperature values except for the listing for ice. "This alloy was designed to have a low cocffi- cient of expansion. The word is a shortened form of "invariable" (a) Number i 0.6 Units percent [b) Aluminium