659 -- 10:34 App A Level化学Topic 6 molecular formula and empirical formula 1031 -- 25:18 App A Level化学Periodicity 1076 -- 13:35 App A Level化学Topic 11 Acid and base titration 891 -- 15:06 App A Level化学Topic 27 Covalent bonding 673 -- 10:44 App A Level化学Topic 5 mol...
condensation reaction- chemical reaction in which one of the products is water or ammonia, also known as a dehydration reaction. condensed formula- chemical formula in which atomsymbolsare listed in the order they appear in the molecular structure, with limited bond dashes. conductor- material that...
1. Reaction Equations Window of HSC Chemistry. Fig. 2. Thermodynamic data of A12O3 (alumina) displayed by the Reaction Equation option of HSC Chemistry. By entering a single chemical formula into the Formula box you will get similar tables of thermochemical data as presented in many ...
The solution of CaCl2 25 in Chongqing City, some quality 10% A solution and 10% quality exactly the reaction, generating a white precipitate B, chemical formula: A+CaCl2==B: +2NaCl (already trim) (1), the metal elements must contain substance A is ___, A and B of the relativ...
If the reaction formula for hydrogen-air mixture is H+0.5O→HO, the reaction rate model is ω = 1.13×10[H][O]exp(46.37/) mol (cm s), and the transport coefficient model is ===7.0×10. By using current models and the reference model to simulate steady Zeldovich-von Neumann-Doering...
which consist in turn of two hydrogen atoms linked by a covalent bond. The notation H2for hydrogen gas is referred to as a molecular formula. Molecular formulas indicate the number and type of atoms that make up a molecule. The molecule H2is responsible for the properties generally associated ...
At each R, ‘trial’ canonical TST rate constants (kCaTST) were computed according to formula, ...
注:为选定的温度给DG数据,通常这些值在25°C.只有SometimesallnecessaryspeciesarenotavailableintheHSCdatabase.ThesemissingspeciescanbeaddedtothechemicalsystemspecificationiftheuserhastheDG-valuesorchemicalpotentialdataforthesespecies.ThenewspeciesmaybeaddedbyinsertingemptyrowwithInsertRowselectionandtypingformulaandDG-...
where k is the reaction rate coefficient, A is the frequency factor for the reaction, e is the irrational number (approximately equal to 2.718), Eais the activation energy, R is the universal gas constant, and T is the absolute temperature (Kelvin). ...
similarconstituentscalledmonomers) that dissociates into two molecules ofnitrogen dioxide(formula NO2). The monomer and dimer are easily distinguishable: the former is a browngas; the latter is a colourless gas. The product and reactants exist inequilibrium, represented by the reversible reaction:...