GradeAOverB GradeAOverB 29-01-2021 Chemistry contestada Consider the following data: HfCo2 = -393.5 kj/mol HfH20 = -241.82 kj/mol Hfc2h6 = -84.68 kj/mol Using these data, calculate Delta HRXN for this chemical reaction. Round to the nearest whole number. 2C2H6(g) + 7O2(g) -> 4CO2(g) + 6H2O(g)