dayigranja dayigranja 13-01-2023 Chemistry contestada 2C₂H2 +5024CO2+ 2H₂O AH = -393.5 How many grams of O₂ (MM = 32 g/mol) would need to be reacted in an excess of C₂ H₂ in order to produce 1.2 x 10³ kJ of energy? kJ molrzn 4