
Acid and Base Chart — Table of Acids & Bases - MilliporeSigma
Use this acids and bases chart to find the relative strength of the most common acids and bases. This acid-base chart includes the K a value for reference along with the chemical's formula and the acid’s conjugate base. The acid and base chart is a reference table designed to make determining the strength of acids and bases simpler.
氨气 - 百度百科
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。
氨 - 维基百科,自由的百科全书
氨水 (NH 3 (aq),也常寫成 NH 4 OH)又稱為 阿摩尼亞水,指氨的 水溶液,有強烈刺鼻氣味,具弱 鹼性。 氨水中,氨氣分子發生微弱 水解 生成 氫氧根 離子及 銨根 離子。 「氫氧化銨」事實上並不存在,只是對氨水溶液中的 離子 的描述,並無法從溶液中分離出來。 氨的在水中的 電離 可以表示為: 反應平衡常數 。 1M氨水的 pH值 為11.63,大約有0.42%的NH 3 變為NH 4+。 氨水是實驗室中氨的常用來源。 它可與含銅 (II)離子的溶液作用生成深藍色的 配合物,也可用於配 …
Ammonia - Thermophysical Properties - The Engineering ToolBox
Ammonia is a colourless gas with a characteristic pungent smell and hazardous in its concentrated form. Values at 25 o C (77 o F, 298 K) and 1 atm, if not other temperature and pressure given. See also the following documents for changes in ammonia properties with changes in pressure and temperature: Ammonia is a gas at standard conditions.
Ammonia | NH3 | CID 222 - PubChem
Ammonia | NH3 or H3N | CID 222 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
氨水的ka和kb表达式 - 百度知道
2023年3月10日 · 2、氨水的kb= [NH4+] [OH-] [NH3]。 kb代表其电离平衡常数,C为氨水的初始浓度。 氨水又称阿摩尼亚水,可写作NH3 (aq)是氨的水溶液,无色透明且具有刺激性气味。 氨水的ka和kb表达式1、Ka= [ (ammonium+)x (OH-)]/ (ammonium)其中,Ka为电离常数,ammonium为氨离子,OH-为碱度,括号中的数值是相应离子的浓度。 2、氨水的kb= [NH4+] [OH-] [NH3]。 kb代表其电离平衡常数,C为氨水的初.
Ammonia - NH3 - Thermodynamic Properties - The Engineering ToolBox
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 - NIST Chemistry WebBook
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 Heat Capacity (Shomate Equation) References; Notes; Other data available:
NH3 Tables Calculator - Ammonia Properties
Calculate online thermodynamic and transport properties of ammmonia based on industrial formulation (formulated in Helmholtz energy) for advanced technical applications.
求问 kb(NH3)的表达式 - 百度知道
2017年12月7日 · 一般只需要根据NH4+的Ka来计算; Kb=Kw/Ka. Ka=5.5×10^-10. Kb=1.8×10^-5. 扩展资料: 弱电解质 在一定条件下电离达到平衡时,溶液中电离所生成的各种离子浓度以其 …