5 grams of C2H5OH is burned in a bomb calorimeter, producing dqv = -148.3 kJ, by the

Question

following reaction: C2H5OH(l) + 3O2(g) 6 2CO2(g) + 3H2O(l)
a) Determine ΔU for the reaction
b) Determine ΔH for the reaction.