A report on Ammonia

Ball-and-stick model of the diamminesilver(I) cation, [Ag(NH3)2]+
Ball-and-stick model of the tetraamminediaquacopper(II) cation, [Cu(NH3)4(H2O)2](2+)
Jabir ibn Hayyan
This high-pressure reactor was built in 1921 by BASF in Ludwigshafen and was re-erected on the premises of the University of Karlsruhe in Germany.
A train carrying Anhydrous Ammonia.
Liquid ammonia bottle
Household ammonia
Ammoniacal Gas Engine Streetcar in New Orleans drawn by Alfred Waud in 1871.
The X-15 aircraft used ammonia as one component fuel of its rocket engine
Anti-meth sign on tank of anhydrous ammonia, Otley, Iowa. Anhydrous ammonia is a common farm fertilizer that is also a critical ingredient in making methamphetamine. In 2005, Iowa used grant money to give out thousands of locks to prevent criminals from getting into the tanks.
The world's longest ammonia pipeline (roughly 2400 km long), running from the TogliattiAzot plant in Russia to Odessa in Ukraine
Hydrochloric acid sample releasing HCl fumes, which are reacting with ammonia fumes to produce a white smoke of ammonium chloride.
Production trend of ammonia between 1947 and 2007
Main symptoms of hyperammonemia (ammonia reaching toxic concentrations).
Ammonia occurs in the atmospheres of the outer giant planets such as Jupiter (0.026% ammonia), Saturn (0.012% ammonia), and in the atmospheres and ices of Uranus and Neptune.

Compound of nitrogen and hydrogen with the formula NH3.

- Ammonia
Ball-and-stick model of the diamminesilver(I) cation, [Ag(NH3)2]+

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First prototype ammonia maser and inventor Charles H. Townes. The ammonia nozzle is at left in the box, the four brass rods at center are the quadrupole state selector, and the resonant cavity is at right. The 24 GHz microwaves exit through the vertical waveguide Townes is adjusting. At bottom are the vacuum pumps.

Maser

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Device that produces coherent electromagnetic waves through amplification by stimulated emission.

Device that produces coherent electromagnetic waves through amplification by stimulated emission.

First prototype ammonia maser and inventor Charles H. Townes. The ammonia nozzle is at left in the box, the four brass rods at center are the quadrupole state selector, and the resonant cavity is at right. The 24 GHz microwaves exit through the vertical waveguide Townes is adjusting. At bottom are the vacuum pumps.
A hydrogen radio frequency discharge, the first element inside a hydrogen maser (see description below)
A hydrogen maser.

This device used stimulated emission in a stream of energized ammonia molecules to produce amplification of microwaves at a frequency of about 24.0 gigahertz.

Oxidized dendritic strontium

Strontium

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Chemical element with the symbol Sr and atomic number 38.

Chemical element with the symbol Sr and atomic number 38.

Oxidized dendritic strontium
Flame test for strontium
The mineral celestine (SrSO4)
Strontium producers in 2014
Cathode ray tube (CRT) display made from strontium and barium oxide-containing glass. This application used to consume most of the world's production of strontium.
Strontium salts are added to fireworks in order to create red colors
RTGs from Soviet-era lighthouses

Like calcium and barium, as well as the alkali metals and the divalent lanthanides europium and ytterbium, strontium metal dissolves directly in liquid ammonia to give a dark blue solution of solvated electrons.

Oxidized barium

Barium

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Chemical element with the symbol Ba and atomic number 56.

Chemical element with the symbol Ba and atomic number 56.

Oxidized barium
Sir Humphry Davy, who first isolated barium metal
Benitoite crystals on natrolite. The mineral is named for the San Benito River in San Benito County where it was first found.
Amoebiasis as seen in a radiograph of a barium-filled colon
Green barium fireworks

Barium reacts with ammonia to form complexes such as Ba(NH3)6.

Acrylonitrile

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Organic compound with the formula CH2CHCN.

Organic compound with the formula CH2CHCN.

In the SOHIO process, propylene, ammonia, and air (oxidizer) are passed through a fluidized bed reactor containing the catalyst at 400–510 °C and 50–200 kPag.

Lean finely textured beef in its finished form, from an ABC News report about the product

Pink slime

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Meat by-product used as a food additive to ground beef and beef-based processed meats, as a filler, or to reduce the overall fat content of ground beef.

Meat by-product used as a food additive to ground beef and beef-based processed meats, as a filler, or to reduce the overall fat content of ground beef.

Lean finely textured beef in its finished form, from an ABC News report about the product
Ground beef that does not contain the LFTB additive, from a USDA image of a beef-grinding operation.
Former Iowa governor Terry Branstad, a supporter of the product's use in beef products

The resulting paste, without the fat, is exposed to ammonia gas or citric acid to kill bacteria.

Acrylonitrile is produced on an industrial scale by the ammoxidation of propylene.

Ammoxidation

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Acrylonitrile is produced on an industrial scale by the ammoxidation of propylene.

In chemistry, ammoxidation is a process for the production of nitriles using ammonia and oxygen.

Crystals of struvite from dog urine

Struvite

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Phosphate mineral with formula: NH4MgPO4·6H2O.

Phosphate mineral with formula: NH4MgPO4·6H2O.

Crystals of struvite from dog urine
Dog struvite bladder stones
Struvite crystals in a human urine sample with a pH of 9. Abundant amorphous phosphate crystals, several squamous and non-squamous epithelial cells and a few leukocytes can also be observed.
Another image from the same urine sample as with the image on the left.

Struvite urinary stones and crystals form readily in the urine of animals and humans that are infected with ammonia-producing organisms.

Ammonia

Hyperammonemia

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Ammonia

Hyperammonemia is a metabolic disturbance characterised by an excess of ammonia in the blood.

the structure of biotin carboxylase, mutant e288k, complexed with atp

Carbamoyl phosphate synthetase

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Carbamoyl phosphate synthetase catalyzes the ATP-dependent synthesis

Carbamoyl phosphate synthetase catalyzes the ATP-dependent synthesis

the structure of biotin carboxylase, mutant e288k, complexed with atp
carbamoyl phosphate
structure of carbamoyl phosphate synthetase complexed with the atp analog amppnp
crystal structure of the biotin carboxylase subunit of pyruvate carboxylase
inactivation of the amidotransferase activity of carbamoyl phosphate synthetase by the antibiotic acivicin

Carboxy phosphate reacts with ammonia to give carbamic acid.

Example of bent electron arrangement. Shows location of unpaired electrons, bonded atoms, and bond angles. (Water molecule) The bond angle for water is 104.5°.

VSEPR theory

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Model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.

Model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.

Example of bent electron arrangement. Shows location of unpaired electrons, bonded atoms, and bond angles. (Water molecule) The bond angle for water is 104.5°.
Sulfur tetrafluoride has a steric number of 5.
Xenon hexafluoride, which has a distorted octahedral geometry.
Hexamethyltungsten, a transition metal complex whose geometry is different from main-group coordination.

The ammonia molecule (NH3) has three pairs of electrons involved in bonding, but there is a lone pair of electrons on the nitrogen atom.