Get Your Dog Care Questions Answered by Experts
I don't think this sounds like death. It sounds like she is in pain though. For this you will want to get pain meds from a vet. Also the pulling out of the hair can be caused by flea allergies, seasonal allergies or other skin problems that should be checked so treatment can begin.
When a dog's end is near they will usually stop doing the things they once enjoyed, like eating, car rides, walks, treats etc.