2 propanoate on oxidation gives ?

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?

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false