What do scientists do? a. they make ethical decisions for the government. b. they learn about the world through observations. c. they make sure all facts fit scientific theories. d. they use their knowledge to make public policy.

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.

After cloud droplets form, what must happen to them for precipitation to occur?

Describe the interaction that occurs between two objects with the same electrical charge.