Oxygen gas is at a temperature of 20 o C when it occupies a volume of 3.5 liters. To what temperature should it be raised to occupy a volume of 8.5 liters? a)48.57 K
b)120.65 K
c)711.57 K
d)549.35 K

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?