A student placed a crystal of a blue dye at the bottom of a beaker of water. After 5 minutes, the crystal sa States of matter
After 1 day, the solution was blue throughout.

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.

What does the process of natural selection involve

Which tool is least in predicting weather