michelee2230 michelee2230 22-03-2024 Chemistry contestada By using energy cycle method, calculate the standard enthalpy change for the following reaction: 3C2H2 (g) → C6H6 (l) Given that the standard enthalpies of combustion of C₂H₂ and C6H6 are -1300 kJmol ¹ and -3270 kJ mol-¹.