xcji3081 xcji3081 20-02-2024 Chemistry contestada The activation energy for the gas phase decomposition of dichloroethane is 207 kJ. CH₃CHC₁₂→CH₂-CHCl + HCI The rate constant at 650 K is 3.10x10⁻⁵ /s. The rate constant will be 4.09x10⁻⁴ /s at K.