C8H18(l) + 12.5O2(g) 8CO2(g) + 9H2O(l) (i) Use the equation and the data given to calculate values of Delta rHo298 and Delta rUo298 for this reaction....

C8H18(l) + 12.5O2(g)  8CO2(g) + 9H2O(l)(i)Use the equation and the data given to calculate values of Delta rHo298 and Delta rUo298 for this reaction. Given the following H_f values in kJ mol-1CO2 (g) = -393.5 ;H2O(l) = -285.8 ;C2H18 (l) = -249.9