At position 16, how much heat is absorbed in the complete reaction of 3.00 grams of SiO₂ with excess carbon in the reaction below? The standard enthalpy change (ΔH∘) for the reaction is 624.6 kJ.

SiO₂(s)} + 2C(s) → Si(s) + 2CO(g)

a) 312.3 kJ
b) 624.6 kJ
c) 1249.2 kJ
d) 937.2 kJ