FU$11$ C $$ exothermic $100\backslash$deg C $$ A$+$B$+$C rc $=$ k$1$CACB$$ EA$1=60$ kJ$/$mol A$+$B D rp $=$ k$2$CACB EA$2=90$ kJ$/$mol $($A$)$CSTR $100\backslash$deg C $($B$)$ Adiabatic CSTR $($C$)$ Semibatch: $$ A $($D$)3$ CSTRs $$ B $$ adiabatic $($E$)3$ CSTRs$100\backslash$deg C $$