Question

Pre-Medical : Chemistry
126. Given standard enthalpy of formation of
CO (-110 kJ mol-1) and CO,(-394 kJ mol). The
heat of combustion when one mole of graphite
burns is
(1) - 110 kJ
(2) - 284 kJ
(3) - 394 kJ
(4) - 504 kJ​

Answer 1

the heat of combustion when one mole of graphite burns is

2)-284kJ