The Combustion of 1 Mole of Ethanol,C₂H₅OH(l),to Produce Carbon Dioxide $\Delta$

The combustion of 1 mole of ethanol,C₂H₅OH(l) ,to produce carbon dioxide and gaseous water has $\Delta$ H_r = -1235 kJ.mol^-1 at 298 K.What is the change in internal energy for this reaction?

A) (-1237 kJ.mol^-1 )
B) (-1240 kJ.mol^-1 )
C) (-1230 kJ.mol^-1 )
D) (-1247 kJ.mol^-1 )
E) (-1223 kJ.mol^-1 )