In the reaction of magnesium with atmospheric nitrogen to produce magnesium nitride, what are the coefficients of the following equation after it has been balanced? __ Mg (s) + __ N_2 (g) → ___ Mg_3N_2 (s)

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

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

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.