Three ways nitrogen can be fixed or transformed for animals and plants to use are:

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

How do you know when a chemical reaction has occurred