Heat evolved during the combustion of 32 gm methanol is a bomb calorimeter was determined to be 470 kcal/mol at `25^(@)`C. The value of `Delta`u of the reaction at the same temperature is
A. `-335.24` kcal
B. `-669.28`kcal
C. `-470` kcal/mol
D. `-196.5 xx 10^(4)` J