How much heat will be required to make `2kg` of calcium carbide `(CaC_(2))` according to the

How much heat will be required to make `2kg` of calcium carbide `(CaC_(2))` according to the following reaction? `CaO(s) +3C(s) rarr CaC_(2)(s) +CO(g)` The heats of formations of `caO(s), CaC_(2)(s)`, and `CO(g)` are `-151.0,-14.0`,and `-26.0 kcal`, respectively.