4.515 x 10 24 atoms of Purellium Distinkamide is equal to ___ moles? A. 7.5
B. 6.2
C. 19.2

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as