1 So applying the equilibrium rules, the formation of ammonia should be favoured by 2  ... (a) Using high pressure because you are going from 4 to 2 gas molecules, so high pressure favours the forward reaction to give fewer gas molecules.
However, any time your dog has vomited several times, or if he or she is experiencing diarrhea , lethargy, refusing to eat or has any other signs of illness, prompt veterinary care is necessary to diagnose and treat the underlying cause of the vomiting. Parasites are another common cause of vomiting in dogs. Puppies are especially at risk of developing parasites, though any age of dog can be infected with a variety of parasites. Some of the most common include:
Thinkstock/Comstock/Getty Images. An upset stomach is the most frequent cause of a dog vomiting white foam. Sometimes, dogs cough up a thick and foamy, white vomit when they eat too fast, ingest inedible material like dirt or weeds, drink water too fast, or just finish exercising. Vomiting is simply the bodyâs way of expelling substances that are not beneficial for the dogâs system.