Search results
Results from the WOW.Com Content Network
In chemistry, azide (/ ˈ eɪ z aɪ d /, AY-zyd) is a linear, polyatomic anion with the formula N − 3 and structure − N=N + =N −. It is the conjugate base of hydrazoic acid HN 3. Organic azides are organic compounds with the formula RN 3, containing the azide functional group. [1] The dominant application of azides is as a propellant in ...
Cinnamaldehyde is a naturally-occurring compound that has a conjugated system penta-1,3-diene is a molecule with a conjugated system Diazomethane conjugated pi-system. In theoretical chemistry, a conjugated system is a system of connected p-orbitals with delocalized electrons in a molecule, which in general lowers the overall energy of the molecule and increases stability.
In general, as temperature decreases from 25 °C to 5 °C the pH of a tris buffer will increase an average of 0.03 units per degree. As temperature rises from 25 °C to 37 °C, the pH of a tris buffer will decrease an average of 0.025 units per degree.
For example, methyl benzoate is a molecular compound with the structure C 6 H 5 –CO–O–CH 3, and its condensed structural formula usually written as C 6 H 5 COOCH 3. Formed by removing the hydrogen atom in the –COOH, producing an anion , which joins with a cation forming a salt .
Because the elements in Na 3 C 6 H 5 O 7 spell "Na C H O", "Nacho Cheese" is a convenient mnemonic for trisodium citrate's chemical formula. [5] Sodium citrate can be used as an emulsifying stabilizer when making cheese. It allows the cheese to melt without becoming greasy by stopping the fats from separating.
When part of a salt, the formula of the acetate ion is written as CH 3 CO − 2, C 2 H 3 O − 2, or CH 3 COO −. Chemists often represent acetate as OAc − or, less commonly, AcO −. Thus, HOAc is the symbol for acetic acid, NaOAc for sodium acetate, and EtOAc for ethyl acetate [1] (as Ac is common symbol for acetyl group CH 3 CO [2] [3]).
Class Abbr. Polymer Typical dopants Peak conductivity Peak emission PA: Polyacetylene: PT: Polythiophene: Iodine, bromine, Trifluoroacetic acid, propionic acid, sulfonic acids: 1000 S/cm [3] P3AT: Poly(3-alkylthiophenes) PPy: Polypyrrole: PITN: Poly(isothianaphthene) PEDOT: Poly(3,4-ethylenedioxythiophene) PPV MEH-PPV: alkoxy-substituted poly(p ...
Benzenediazonium cation. Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group [R−N + ≡N]X − where R can be any organic group, such as an alkyl or an aryl, and X is an inorganic or organic anion, such as a halide.