The amount of energy available to do work after a chemical reaction has occurred is called

Nonpoint source pollution is difficult to control because it

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?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?