a chemist synthesizes magnesium oxide from magnesium and oxygen. If the chemist begins with 45.42 grams of magnesium metal and 17.00 grams of oxygen gas, what is the limiting reactant?

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

The biosphere of the earth is made up of what compound? organic or inorganic?

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j