The chemical equation below shows the burning of magnesium with oxygen to form magnesium oxide 2mg + 02 --> 2mgo the molar mass of o2 is 32.0g/mol. what mass, in grams, of o2, is required to react completely with 4.00 mol of mg? a. 2.00 b. 64.0 c. 128 d. 256

At stp, what is the volume of 1 mole of co2?

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.