Consider the reaction as written even though it is incorrectly balanced: if 10.5 g of iron(iii) oxide (rust) is produced from a certain amount of iron, how many grams of oxygen are needed for this reaction?

Pls i will do pls imma diewhat forms white light? (4 points)a. combination of all wavelengths of ultraviolet light b. combination of all wavelengths of visible lightc. absorption of electromagnetic waves d. absorption of infrared rays

How many formula units in 2.63 mols of nacl?

How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers