QUESTION 4
Chemically combining two or more atoms produces a:
O a. miscible
b. substance
O c. molecule
d. mixture

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.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

What is the most common reason for matter changing its state?