In several cases, the reaction of di- or trialkyl phosphites with a nucleophilic carbonyl or alkene C may occur without catalyst. In addition to previously described ultrasound or MW-assisted methods, many arom
Biology : What are the charges on the water molecule? What is the approximate oxygen content of air? What are atoms that carry an electric charge? Which element reacts with oxygen to form ionic bonds? What are the oxidation numbers of each element in NaHSO4?
In an atomic bomb, neutrons react with a uranium atom to produce krypton, barium, and other products, which all release energy. What type of reaction is this? a) fusion b) fission c) decomposition d) combustion What occurs when an...
In particular, nuclear bombs have to be assembled in a very precise way and detonated so that they implode (pushing the nuclear material together so it reacts properly). These conditions don't occur in a nuclear power plant. [1] A different kind of power plant called a fast-breeder ...
“Chemistry is basically the story of atoms trying to be more stable, and they’re going to find partners to react with to be more stable,” says Vincent Tang, Ph.D., principal deputy director at the National Ignition Facility and Lawrence Livermore National Laboratory. “When they find a ...
Approximately one mol of vinyl haloformate reacts with one equivalent weight of the salt in such reaction. However, excesses of either reactant does not appear to be objectionable. The reaction is generally conducted by permitting a mixture of the carboxylic acid salt and the vinyl haloformate...
The Bohr Model of the Atom Topic #6. EQ How can you identify an element based on the number of electrons and valence electrons? Do and Answer Draw a Bohr Model for Oxygen Hydrogen (twice) Using the drawing try to draw a Water Molecule. Define: atom, compound, molecule. ...
(a) What happens when magnesium and aqueous ammonia react? (b) Why does it precipitate? Ammonium: When ammonia combines with water, it forms the aqueous salt ammonium hydroxide. Ammonium is a monovalent cation with formula NH4+. All ammonium salts are soluble in water....
Insoluble solids which are observed in a solution after a chemical reaction occurs are called precipitate. Precipitation occurs when substances react to form products that are insoluble or exceed their solubility. They are in solid form and they have different colors....
An acid and a base readily react with each other and produce salt and water. This type of reaction is known as acid-base neutralization reaction. When dilute sulfuric acid reacts with calcium hydroxide to form calcium sulfate and water. ...