Answer:
i also had this question:P
Explanation:
Its okay my friend. you dont need to over stress it.
Answer:
in both nucleophil attach the c and leaving group leave but in acyl nu. subsituation c of carbonyl because of double bond with o have bigger positive charge and is better electrophil so do it faster,also alkyl nu. subsituation can have rearangment if going from sn1 and in sn2 sterichemistry of molecule change , acyl nu. subsituation most of time is better
It is two or more objects and different things that can be removed from each other.