En las bóvedas del banco central de Bolivia guarda 3000 lingotes de oro, están fabricadas de una aleación de oro-cobre de 23 quilates de oro las dimensiones de cada lingote son 0.25m por 0.4pies y 3.15 pulgadas además se sabe que la densidad relativa es 16.2 los precios a nivel internacional para el oro es 337 dólares por oz troy y el gramo del cobre cuesta 12 bs

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm

Drag the tiles to the correct locations. each tile can be used more than once, but not all tiles will be used. one or more locations will remain empty. nitrosyl fluoride has the chemical formula nof nitrogen has five valence electrons, oxygen has six, and fluorine has seven. complete the lewis structure for this covalent compound. f n = = = . : : 0 : reset next um. all rights reserved us 2