Poly (ethylene glycol) can be prepared from either ethylene glycol (alone) or ethyleneoxide (alone). Write a complete mechanism for both reactions and classify each one as being addition or condensation
C10H16Cl2O2 + 2H2O → C10H18O4 + 2 HCl
Explain how would you write an above mechanism for the above sebacoylchloride and water?