A: Yes, we need molar mass of sulfur, hydrogen, and chlorine. Then set the molar mass of copper and zinc to x and y. And use the mole ratio, which is 1:1 for two reactions to solve the unknown. 4. How many grams of zinc chloride could be formed from the reaction of 3.57g of zinc with excess HCl?
TLC was used to identify the actual unknown product as well as other products/reactants present in the filtered solution. The procedure was conducted by placing a TLC plate in a developing chamber that is filled with a small amount of solvent. The solvent cannot be too polar because it will cause spotted compounds on the TLC plate to rise up too fast, while a very non-polar solvent will not allow the spots to move. The polarity of the spots also determines how far it moves on the plate; non-polar spots are higher than polar ones. After spots on the TLC form, the Rf values are calculated and used to analyze the similarity of the compounds.
One purpose of a Wittig reaction is the formation of alkenes from aldehydes or ketones employing a carbo-phosphorous ylide, which is stabilized vie resonance to allow for the carbon bonded to phosphorus to be deprotonate from by a base (Ketcha, 142). The resonating ylide will react with the electrophilic carbonyl carbon of its aromatic aldehyde to produce a betaine intermediate, or a crystalized 4
Starting with advantages of using this method with the main key point is the lesser fuel usage for the catalytic oxidation process. Next the catalyst employed in this reaction has high activity for the production of unsaturated nitrile and can be use in lower reaction temperature. Furthermore it has stable redox stability under the reaction condition of the process. By using the circularly fluidized bed reactor (CFB) its help to produce high yield product by separating the catalyst reduction zone and the re-oxidation process and it can be controlled independently. Methodology process can be more simplified for adding and removing catalyst using this type of reactor.
Introduction: For my final lab, I was given the task of producing the coordination complex Tris(Oxalato)Ferrate(III) Trihydrate using the following equation: FeCl3+3K2C2O4H2OK3Fe(C2O4)33H2O(g) +3KCl(aq) As a result, 4.105g of green crystal complex was produced and analyzed based on percent composition. To complete this analysis, four other experiments using titration, visible spectroscopy, ion sensitive electrodes, and dehydration and were used to determine the composition of oxalate, iron, potassium and water in the produced complex. The following report records the the results of these experiments and discusses any finding or errors in the procedure. Experimental Data: When the individual components of the complex were analyzed, it was
Ionization refers to the production of gas phase ions suitable for resolution in the mass analyser or mass filter. There are a many on sources available, each has advantages and disadvantages for particular applications. For example, Electron Ionization (EI) gives a high degree of fragmentation, yielding highly detailed mass spectra which when skilfully analyzed can provide important information about structural elucidation/characterization and facilitate identification of unknown compounds by comparison to mass spectral libraries. However, EI is not suitable for coupling to High-performance liquid chromatography, since at atmospheric pressure, the filaments used to generate electrons burn out rapidly. Thus EI is coupled predominantly with Gas Chromatography, where the entire system is under high
* In GO the Defect(D) peak and Graphitic(G) peak are seen at 1359 and 1586 cm-1 respectively. * Upon functionalisation there is no change in the defect peak but the G peak shows two fittings for the sp2 and sp3 hybridisation in graphene and fullerene respectively. * Also the G band is highly red shifted. * Appearance of 2D peak at 2795 cm-1 and G’peak at 2913 cm-1 due to large domain size of sp2 carbon network. * Further the ID/IG ratio of GO and PCBGO were compared to see the size of the sp2 domain in each and to compare.
TLC, NMR, and IR spectroscopy were used throughout the process to identify ferrocene and acetylferrocene in addition to evaluating the levels of purity. Evidence: The objective of our experiments was to prepare acetylferrocene from ferrocene. The overall reaction was carried out using 6.1 equivalents of liquid acetic anhydride to 1.8 equivalents of phosphoric acid and concluded with an aqueous workup with NaOH. The initial reaction mixture containing ferrocene, acetic anhydride, and phosphate acid was mixed on a hot stir plate. During this period, reflux was observed, and the mixture appeared dark brown in color.
Enzymes are proteins that catalyze chemical reaction, and they work best at their optimal conditions (optimum pH, temperature etc.) but when the environment is not close to the optimum conditions, the enzymes denature and do not function anymore1. An excellent example would of the effect of temperature on yeast fermentation would be that the bacterial cells if exposed to very high temperature (above the optimal) would no longer function since their enzymes are denatured. The yeast would produce the most Carbon dioxide in the optimal temperature (45 °C ±1/°C) and other temperatures below the optimal temperature would not produce sufficient Carbon dioxide and any temperature above will produce too much that it will lead to the sinking of the bread and death of yeast because its enzymes have been denatured, therefore the reaction will stop. The bread will certainly sink if is not exposed to the right temperature the yeast will not ferment
The isotherm was recorded by Micromeritics ASAP 2020 analyzer and the physical adsorption of N2 at the temperature of liquid nitrogen (-196oC) with a standard pressure range of 0.05-0.30 P/Po. 2.3 Catalytic Activity Measurement After annealing the catalyst bed, it was cooled to room temperature in the same conditions as we used for reactive calcination. The CO oxidation was analysis by gas chromatogram to measure the activity of the catalyst. The oxidation of CO was carried out to measure the activity of resulting catalyst. 2CO + O2→2CO2 -------------------- (1) The oxidation of CO was carried out under the following reaction conditions: 100mg of catalyst with feed gas consisting of a lean mixture of 2.5 vol.% CO in air and total flow rate is maintained 60 mL/min.