Production of ethyl acetate requires 95.6MJ/kg of energy. Distillation returns 72 MJ/kg while incarceration returns 27.6MJ/kg. Which route is the most energy-efficient (show your work), and what is its cumulative energy demand (show your work).

Which of the following is the least toxic? a) tributylamine (slightly soluble in water) b) triethylamine (quite soluble in water) c) tripropylamine (slightly soluble in water) d) trihexylamine (insoluble in water) e) triethylamine (miscible in water). And why?