How much heat will be required at constant pressurent to form `1.28 kg` of `CaC_(2)` from `CaO(s)` & `C(s)`?
`{:("Given :",Delta_(f)H^(@) (CaO","s),=,-152 kcal//mol),(,Delta_(f)H^(@) (CaC_(2)","s),=,-14 kcal//mol),(,Delta_(f)H^(@) (CO","g),=,-26 kcal//mol):}`
A. `+112` kcal
B. `224` kcal
C. `3840` kcal
D. `2240` kcal
