A process for the production of disiloxanes (I) of formula (1) with formation of gaseous hydrogen chloride (HCl) comprises reaction of chlorosilanes of formula (2) with up to 0.5 moles of water per mole of silicon-chlorine (Si-Cl) bonds in the chlorosilane. R3SiOSiR3 (1) R3SiCl (2...
The invention relates to novel gonadoliberine derivatives of the general formula (I) ##STR1## wherein X represents an --O--R group wherein R is a benzyl group or a C.sub.1-4 alkyl group, an ##STR2## group wherein R1 and R2 independently ... J Seprodi,I Teplan,I Mezo,.....
A gas has a percent composition by mass of 85.7% carbon and 14.3% hydrogen. At STP the density of the gas is 2.50 g/L. What is the molecular formula of the gas? 87. Assume that the reaction 2 CO(g) + O2(g) ¡ 2 CO2(g) answers to practice Exercises 281 goes to completion....
The empirical formula used for the calculation of sea-salt (ss) and non-sea-salt (nss) is given in the supplementary material (Farren et al., 2019; Thakur and Thamban, 2019) (Eq. E1-E5). A higher contribution of sea salt was found over E_IO (9 %) than N_IO (1 %) due to ...
a grain of polyphosphonitrilic chloride in a manner similar to that described in copending, coassigned U.S. Pat. application, Ser. No. 328,156, for "Spontaneously Ignitable Solids" to give hypergolic ignition and combustion which provides gases according to the following representative formula: ...
The ternary compound boron carbonitride (BCN) was synthesized in the form of few-layer nanosheets through a mechanically induced self-sustaining reaction (MSR). Magnesium was used to reduce boron trioxide in the presence of melamine in a combustive manne
By the aid of the Poisson summation formulaSong et al. (2017) derived the expression for the vibrational partition function of the improved Rosen-Morse oscillator,QIRMOv=12e-DekTeλη12kT-eλη22kT+πkTλerfiλkTη1-erfiλkTη2-e-2λakTerfiλkT(2a+η1)+e-2λakTerfi(λkT(2a+η2)...
Its average magnitude over this energy region was estimated to be [Formula: see text].For atoms of E 0 =1.15eV reacting in HBr F H is close to unity. The threshold of reaction 3′[Formula: see text]is near zero energy and its cross section rises rapidly, becoming [Formula: see text...
or LS transferred layers (since this is the preferred deposition technique) of a compound with formula (I) bearing an unsubstituted alcoxylic chain or a compound with formula (I′) wherein R″ is an hydrogen atom, and/or a compound with formula (I) or (I′) in the optical active ...
of formula (III); (b) reaction of (III) with a base to give the corresp. 1alpha,2alpha-methylene cpd.; and (c) removal of water soluble reaction prods. and dryingof (I). USE/ADVANTAGE - (I) has strong gestagen activity and is an androgen antagonist. (I) may be used in ...