That dog needs to go to a vet immediately. The Bloated stomach can be VERY serious.
You need to see the vet or emergency clinic. Bloated stomach indicates your pups stomach is filling with either air or fluid for some reason usually and most have a serious underlying cause. Bloat (can be deadly in hours), severe heartworm infestation, heart problem, even poisoning and other serious problems are some possible reasons. The pale gums are also a very serious symptom as well as low body temperature. On their own they are major concerns and all together your pup is in a dire situation and needs help immediately it sounds like. I hope your baby is feeling better very soon.