The enthalpy diagram to the right represents a set of thermochemical equations. Which set of equations could it represent? A + B Right arrow. C Delta. H1 = - 500 kJ C + D Right arrow. E + 2F Delta. H2 = 100 kJ F + D Right arrow. B Delta. H3 = 200 kJ A + B Right arrow. C Delta. H1 = 800 kJ C + D Right arrow. E + 2F Delta. H2 = - 200 kJ F + D Right arrow. B Delta. H3 = - 300 kJ A + D Right arrow. E Delta. H1 = 500 kJ D Right arrow. F Delta. H2 = - 300 kJ