How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal?
2mg + o2 yields 2mgo

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.