To treat a thyroid tumor a patient myst be given 150-mci dose of iodine-131, supplied in a solution containg 32 mci/ml what volume of solution must be administered per dose

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?