From the following data, - AH O rxn kJ = -393.5 mol C(graphite) + 02 (8) CO2 (g) H2(g) + 10,6) H,0 (1) CH,CE) + 20, (g) + CO2(g) + 2H,0 (0) ,(8 1 AHO rxn kJ :-285.8 mol kJ = -890.4 mol AHO rxn Calculate the enthalpy change for the reaction below: C(graphite) + 2H2(g) CH, (g) Be sure your answer has the correct number of significant digits. kJ Х