What is the chemical formula of the compound that is made up of strontium and oxide ions?

sro

sr2o

sro2

sr2o2

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa