was still at or under 25 °C. 4. After letting the mixture stir for some time‚ prepare 5mL of benzaldehyde with 1.85mL of acetone into a 50mL Erlenmeyer Flask. 5. Transfer about half of the mixture into the stirring solution of NaOH‚ water and ethanol. After 2 -3 minutes‚ yellow cloudiness formed. After 10 minutes add the remainder of the solution. Allow the solution to stir for 30 more minutes. 6. Filter the mixture using a Buchner funnel and transfer the product into a large beaker with 300mL
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The sugarcane undergoing fermentation produced a volume of carbon dioxide that was nearly nine times more than the corn‚ wheat grain and wheat stalk. Wheat grain and corn was nearly doubled that of the wheat stalk and the control (Figure 1). Sugarcane was the leading plant material producing the highest volume of carbon dioxide (mean= 19.9 ± 0.996 mL) while other than the control; the wheat stalk produced the lowest volume of carbon dioxide (mean= 1.33 ± 0.036 mL). As time elapsed‚ the sugarcane
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Results and discussion Pyrolysis is one of the thermochemical technologies for converting biomass into energy and chemical products consisting of liquid bio-oil‚ solid biochar‚ and pyrolytic gas. It is derived from the complex conversion network of the three main components in biomass: cellulose‚ hemicellullose and lignin (Kan et al.‚ 2016). Degradation Characteristics of A. magnium wood The purpose of this research is to determine the main points of A. magnium thermal degradation‚ based on DTG
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juniper berries and other botanicals with traces of impurities and flavourings and it has 32.5 percent alcohol by volume (65 proof). The experiment aimed to separate its components‚ alcohol and water‚ and to determine its percent concentration of ethanol by using the Fractional distillation method. A certain volume (25 mL) of G.S.M. Blue was placed on the distillation set-up and was heated constantly. A certain volume (1.o mL) of distillate was collected in every test tube until the temperature reached
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halogenoalkanes‚ mechanisms and spectra Consolidation questions 1. Give the names of the two primary alcohols with the molecular formula C4H10O. butan-1-ol 2-methyl propan-1-ol 2. Write the equation‚ using state symbols‚ for the reaction of ethanol with sodium. CH3CH2OH(l) + Na(s) CH3CH2O-Na+(alc) + ½ H2(g) 3. Name the organic product above. Sodium ethoxide 4. Give the names and structural formulae for the two possible products of the reaction of methanol with
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A simple‚ rapid‚ specific and highly sensitive spectrofluorimetric method has been developed for the quantification of dabigatran etexilate mesylate (DAB) in bulk and capsule dosage form. A linear relationship was found between fluorescence intensity and DAB concentration in the range of 0.01-1.0 μg/ml in DMSO as solvent at an emission wavelength of 391 nm after excitation at 334 nm‚ with a good correlation coefficient (0.989). The detection and quantification limits were found to be 0.005 and 0
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The Preparation of Methyl Salicylate Introduction: Esters have various smells that differ due to the types of carboxylic acids and alcohols one mixes together. This is called esterfication. The reaction is catalyzed by an inorganic acid usually H2SO4 Purpose: In this lab Methanol alcohol and Salicylic acid were reacted together to form Methyl Salicylate. This was done to determine the characteristic odour of the Methyl Salicylate. Safety: Safety goggles must be worn at all times. Methanol: Toxic
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To what extent was slave labour used in areas other than sugar production during the 17th and 18th centuries? This study is mainly how slave labour was used in other areas than sugar production during the 17th and 18th centuries. These areas were mainly focused on coffee‚ cocoa‚ logwood‚ and mahogany. Productions in these areas were successful and the level of production to make and exchange these products along with its competitors from other countries was a hard task to complete along with the
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in yeast. Procedure: Refer to Lab manual Result: Questions: 1. Yes. 2. Sucrose. 3. When no oxygen the ATP will be produce. 4. Brewery. 5. Aerobic glucose and aerobic glucose oxygen. 6. CO2 and aerobic water. 7. CO2 and aerobic ethanol. Conclusion: The purpose of this experiment is to determine sucrose gas form during fermentation with yeast is the most CO2. Sucrose did better than glucose because glucose is the simplest sugar and was there more as a control. Sucrose will produce
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50ºC turn off the flame. 4- Reweigh the burner and workout the difference. 5- Repeat the same steps 3 times and take the average of the alcohol used in burning. 6- Apply the same steps above with the all-different types of alcohol remaining to test (Ethanol‚ Propanol‚ Butanol‚ Pentanol) 7- Finally you need to work out the energy released from each alcohol by applying this calculation q = (specific heat capacity of water 4.2) x mass of water(g) x Δt change in temperature(ºC) Then
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