What are the energy levels of beryllium?? ill give brainliest!!

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.

How have the greenhouse gasses increased from the year 2000 to 2018

In apex! a liquid heated beyond a certain temperature becomes