Question

Consider the following reactions. (Note: (s) = solid , (1) = liquid, and (g) = gas)

Mg(s) + ½ O2(g) MgO(s) + 146 kcal/mole
H2(g) + ½ O2(g) H2O(g), H = -57.82 kcal/mole

What type of reaction is represented by the previous two examples?
exothermic?

Answer 1

Thats right :)

Answer 2

yay