Search results
Results from the WOW.Com Content Network
Normal blood ammonia levels in adults range from 20 to 50 μmol/L or less than 26 to 30 μmol/L. [2] [3] [4] There is at present no clear scientific consensus on the upper limits of ammonia levels for different age groups. [4]
Pentavalent ammonia is known as λ 5-amine, nitrogen pentahydride decomposes spontaneously into trivalent ammonia (λ 3-amine) and hydrogen gas at normal conditions. This substance was once investigated as a possible solid rocket fuel in 1966.
Ammonia solutions decrease in density as the concentration of dissolved ammonia increases. At 15.6 °C (60.1 °F), the density of a saturated solution is 0.88 g/ml; it contains 35.6% ammonia by mass, 308 grams of ammonia per litre of solution, and has a molarity of approximately 18 mol /L.
Hyperammonemia occurs when the body produces excess ammonia. This ammonia primarily exists as ammonium ion that has a concentration less than or around 35 μmol/L in normal referenced serum levels. [3] Excess ammonia is processed in the liver through the urea cycle to produce urea. [3]
A lot of water is needed for the excretion of ammonia, about 0.5 L of water is needed per 1 g of nitrogen to maintain ammonia levels in the excretory fluid below the level in body fluids to prevent toxicity. [citation needed] Thus, the marine organisms excrete ammonia directly into the water and are called ammonotelic. [2]
This could be a range of things from stress to too much daily manipulation. Genetics (Androgenetic Alopecia): "Genetic predisposition is a common cause of hair loss, with patterns often inherited ...
Note that the especially high molar values, as for paraffin, gasoline, water and ammonia, result from calculating specific heats in terms of moles of molecules. If specific heat is expressed per mole of atoms for these substances, none of the constant-volume values exceed, to any large extent, the theoretical Dulong–Petit limit of 25 J⋅mol ...
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.