Explain two separation techniques how may be feasible for Benzene vs Phenol. One can be an industrial approach other can be a laboratory-scale method.
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Explain two separation techniques how may be feasible for Benzene vs Phenol. One can be an industrial approach other can be a laboratory-scale method.
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- From the practical standpoint, is it better to use a "good" solvent or a "poor" solvent when measuring polymer molecular weight? Explain.sodium chloride. Dosage form, qualitative and quantitative analysis?which of the following techniques would be best at determining the chemical structure of an uknown solid that was synthesized fro the first time in history. Multiple answers may apply
- Use the Referal data table below and the given formulae in the spreadsheet to complete the spreadsheet.PART 3- LABORATORY EQUIPMENT EQUIPMENT NAME FUNCTION To hold test tubes. Attaches to a retort stand to support glassware being heated. To pour liquid from a large container into a small container. To provide a flame during an experiment. ones To light the Bunsen burner. To attach test tubes to a retort stand. To clean substances out of a test tube. To hold a hot crucible or flask. To hold a hot test tube. To place on the lab bench to prevent burning or to use with ring clamp. To transfer small amounts of liquid. To grow bacteria or contain small experiments. To hold liquids. To measure liquids. To contain experiments (a stopper can be used to close the flask). To hold a hot beaker. To perform an experiment with a different substance in each well. To hold chemicals and perform experiments in. To scoop and transfer small amounts of substances, To stir during experiments that involve mixing or dissolving.133 107 ethyl ether ethyl alcohol 80 53 water 27 ethylene glycol 20 40 60 80 100 120 Temperature (°C) University of Wisconsin, https://wisc.pb.unizin.org/minimisgenchem/chapter/vapor-pressure-m10q3/ Reference the vapor pressure diagram above with the table below, which provides the chemical formulas for the fourubctancoc Pressure (kPa)
- Which of these statements regarding dissolved gas analysis is incorrect? Select one: A. For low temperature faults methane and hydrogen are generated B. As the temperature of the fault increases, ethane is produced reducing the methane content C. At higher temperatures methane starts increasing overtaking the ethane content and ultimately becomes predominant D. Moisture content is measured is as free and dissolved levelsIn HPLC, the is always a liquid. a) mobile phase b) stationary phase c) solute1. Fill the blanks with the correct method of separation or process for the schematic diagram below. mixture of methylene blue sodium chloride naphthalene heated 1. naphthalene vapor sodium chloride methylene blue 2. plus activated carbon naphthalene crystals 3. cooled 4. methylene blue sodium chloride solution 5. sodium chloride water
- The best practices for working with liquid chemicals (including solvents and corrosives) are to: A. Always wear chemical splash goggles and a face shield when working with liquid chemicals.B. Do NOT rely on safety glasses in research lab settings as they only provide impact protection and not splash protectionC. Chemical goggles are always preferred as they provide both splash and impact protection for users.D. All of the above are true.Chemistry How to increase storage and shelf life of ready to drink bottled sorghum porridge using stabilizers ( state names of stabilizers to use and the amounts to add) or any other ingredients to use so that sedimentation or settling of dispersed particles is prevented without hindering the taste of the porridge so that the porridge can be sold in the market?When we make a calibration curve, we want the range of calibration standards to the analyte concentrations in the samples. If this is not the case, we will have to the samples, depending on the analyte concentration. O Exclude, concentrate or dilute O Include, spike O Include, concentrate or dilute None of These O Exclude, calculate the concentration of You have prepared a set of calibration standards for nitrate in surface water where you are using Beer's Law to generate the calibration curve. The calibration equation for the standards you have prepared between 1 and 15 ppm is y = 0.0820x +0.00900. You analyze a 3.00 mL water sample and generate an absorbance response of 1.12. You report the concentration of nitrate in this sample as: O None of These O 4.52 ppm O The concentration is out of range so it cannot be reported O 13.5 ppm O 13.5 absorbance
