Lab Experiment: Biosynthesis of ethanol Part 2 What is the distillation technique and its uses, equipment to be used and temperature to collect the product If you could answer each part specifically I will appreciate it
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- Which Is “Better: NMR or MS? Compare and contrast mass spectrometry and NMR. in terms of their potential advantages and disadvantages for metabolomic analysis.Which of the following experimental approaches is likely must complete picture of a particular cell's metabolism? a. NMR spectroscopey b. Metabolic inhibitors c. Mass spectroscopy d. Isotopic tracersPhysical and Biological SciencesA bomb calorimeter was calibrated by burning 1.013 g of benzoic acid(C7H6O2) (ΔUcomb = 3.221 × 103 kJ/mol). The temperature change in thecalorimeter during the calibration combustion was 5.19°C. A nutritional chemist then used the calibrated calorimeter to determine the energy con-tent of food. The chemist carefully dried a sample of food and placed 0.8996 g of the sample in the calorimeter with sufficient oxygen for thecombustion to go to completion. Combustion of the food sample causedthe temperature of the calorimeter to increase by 4.42°C.1. Approximately how many moles of O2 gas were consumed in thecalibration combustion?a) 0.008 c) 0.2b) 0.1 d) 0.06 2. What is the heat capacity (CV) of the calorimeter?a) 5.15 kJ/°C c) 5.12 kJ/°Cb) 5.08 kJ/°C d) 4.97 kJ/°C3. What is the energy content of the food?a) 22.8 kJ/g c) 25.3 kJ/gb) 4.97 kJ/g d) 0.201 kJ/g4. What would be the effect on the result if the food sample were notcompletely dried prior to being…
- In which type of chromatography lipids are carried up a silica gel coated pate by a rising solvent front, less polar travels farther than the more polar ones?a) Absorption chromatographyb) Thin layer chromatographyc) Gas-liquid chromatographyd) HPLCA sample was placed on a chromatography column. Dichloromethane was used as the eluting solvent. All the components were eluted off the column, but no separation was observed. What must have been happening during this experiment? How would you change the experiment to overcome this problem?Creare a controlled experiment to test the effect of varying ph, temperature, or enzyme concentration .
- Identification of the active site of an enzyme: 1.6 The effect of changing pH summaryQ: part c This is related to biochemical engineering subjectEXPERIMENT :DETERMINATION OF CHEMICAL OXYGEN DEMAND (COD) 1. OBJECTIVES To determine the chemical oxygen demand of the given wastewater samples. 2. PROCEDURE Preparing the Sample 1. Open a reaction vial with a white cap and add the specified volume. (Ensure that appropriate personnel safety equipment is used.) LR-/MR: 2 ml water sample HR: 0.2 ml water sample 2. Prepare a blank by using deionised water (TOC-free) instead of the sample (LR/MR: 2 ml, HR: 0.2 ml). 3. Replace the cap tightly. Invert the vial gently several times to mix the contents (The vial will become hot during mixing!) and digest the vials for 120 minutes in the reactor at a temperature of 150°C. 4. Remove the vials from the reactor and allow them to cool down to 60°C or less. Mix the contents by inverting each vial several times while still warm. Then allow the vials to cool to ambient temperature before measuring. 3:Results Sample COD reading (mg/L) Leachate 216 Factory 423…
