Which of the following would label the boxes correctly? question 1 options: 1) endothermic; 2) exothermic 1) products; 2) reactants 1) reactants; 2) products 1) exothermic; 2) endothermic

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?