Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula N H 3. A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell.

氨气（英文名Ammonia），是一种无机化合物，化学式为NH3，分子量为17.031。 标准状况下密度为0.771 g/L，相对密度0.5971（空气=1.00）。 是一种无色、有强烈的刺激气味的气体。

Ammonia, anhydrous appears as a clear colorless gas with a strong odor. Shipped as a liquid under its own vapor pressure. Density (liquid) 6 lb / gal. Contact with the unconfined liquid can cause frostbite. Gas generally regarded as nonflammable but does burn within certain vapor concentration limits and with strong ignition.

2025年3月12日 · ammonia (NH3), colourless, pungent gas composed of nitrogen and hydrogen. It is the simplest stable compound of these elements and serves as a starting material for the production of many commercially important nitrogen compounds. The …

Other names: Ammonia gas; Nitro-Sil; Spirit of Hartshorn; NH3; Ammonia, anhydrous; Anhydrous ammonia; Aromatic Ammonia, Vaporole Permanent link for this species. Use this link for bookmarking this species for future reference. Information on this page: Gas phase thermochemistry data; References; Notes; Other data available: Phase change data

2024年7月10日 · Ammonia, with the formula NH3, is a clear gas that has a very strong smell. It’s made of one nitrogen atom (N) and three hydrogen atoms (H), all connected in a way that shares their electrons, making it a kind of chemical called a covalent compound. This substance is quite common in nature, found in the air, soil, and even in the bodies of ...

2025年1月27日 · Ammonia (NH3) is an alkaline gas with a sharp, penetrating odor. Reacting nitrogen and hydrogen under pressure, in the presence of a catalyst, produces ammonia. Gaseous ammonia is flammable in air at concentrations of 15–28% by volume.

Thermodynamic properties of saturated and superheated ammonia R-717 like specific volume, enthalpy and entropy. Specific volume (v), specific internal energy (u), enthalpy (h), and entropy (s) of saturated and superheated ammonia - NH3 - also known as refrigerant 717.

Ammonia is a colorless gas with a chemical formula NH 3. It consists of hydrogen and nitrogen. In its aqueous form, it is called ammonium hydroxide. This inorganic compound has a pungent smell. In its concentrated form, it is dangerous and caustic. The NH 3 chemical name is ammonia. Table of Contents. Ammonia Structure; Preparation of Ammonia

2024年1月22日 · Ammonia, with the chemical formula NH3, is an inorganic compound composed of nitrogen and hydrogen. As a stable binary hydride, it exists in a colorless gas state with a distinct and potent odor. Known for its versatile properties, ammonia can also act as a weak base, forming salts when it reacts with acids.