Using the equation below, calculate the number of grams of N2 that are formed from the reaction of 21 grams of NH3. 4NH3 + 3O2 --> 2N2 + 6H2O

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

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

Correct relationship between molecular formula and empirical formula