What reactants would you use to produce Mg(No3)2 and H2

What will most likely happen when two bromine atoms bond together?

How can one make a supersaturated solution? (apex)

Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?