Capillary pressure, as seen in petroleum engineering, is often modeled in a laboratory where it is recorded as the pressure required to displace some wetting phase by a non-wetting phase to establish equilibrium.
Asker's rating. 1  Ammonium nitrate is the chemical compound NH4 NO3. So there would be 3 different elements: nitrogen, hydrogen, and oxygen. 2  Ammonium nitrate is NH4NO3, making it three different elements: nitrogen, hydrogen, and oxygen. mmonkeyccup Â· 1 decade ago. 3  3 elements in ammonnium nitrate, NH4NO3. N from nitrogen, H from hydogen and O from oxygen. NH4 + + NO3---> NH4NO3. The compound consists of 2 polyatomic ions : first, NH4(1 positive charge) which consists of a)Nitrogen and b) Hydrogen, and the second one is NO3 (1 negative charge)consisting of Nitrogen and Oxygen.
Nitrate (NO 3 1-) is a polyatomic ion. It is made up of one nitrogen and three oxygen atoms. It is part of many important molecules. Potassium nitrate is a common nitrate, used in fertilizers because plants need nitrates to live and grow.Some nitrates are explosive. People make large amounts of nitrates from ammonia.Nitrates are similar to nitrites. Nitric acid has the formula HNO 3 and has no overall charge, because the hydrogen ion is positive.otassium nitrate is a common nitrate, used in fertilizers because plants need nitrates to live and grow. Some nitrates are explosive. People make large amounts of nitrates from ammonia.