If a P-20 micropipettor is set at “110,” what volume of water will this measure? How much should that water weigh? If a P-1000 micropipettor is set at “035”, what volume of water will this measure? How much should that water weigh?
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If a P-20 micropipettor is set at “110,” what volume of water will this measure? How much should that water weigh? If a P-1000 micropipettor is set at “035”, what volume of water will this measure? How much should that water weigh? Please include units in your answers!
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- Determine the correct check digit for the UPC of PH food prod: 1. 4-808887-03001- ?(purefoods corned beef) 2. 4-800088-11520-? (virginia spaghetti sauce)Serena uses a 25-mL buret in order to transfer approximately 20 mL of a liquid into a beaker. In her notebook, she determines the transferred volume of liquid is 19.73 mL. Use the dropdown menus to fill in the blank according to Serena's data: The digit in the tenths, tens, ones, hundredths place is considered to be an estimated value. The words in bold are the answer choices and I need help figuring which one it is.a) What are the methods used for cholesterol determination? Explain the basis of the method you used in your experiment by writing.b) In the experiment conducted for the determination of cholesterol, the function of the calibration curve obtained using standard cholesterol solutions of 25-400mg/dl was determined as y= 0.0009x.Since the absorbance of the serum sample was determined as 0.28, how many mg/L is the amount of cholesterol in the sample
- Two students independently determine the volume of water delivered by a 10.00-mL pipet. Each student takes 8 measurements, then computes the average volume delivered and the standard deviation. The results are tabulated below. Average St. Dev. Student A 10.4 mL ±0.7 mL Student B 10.00 mL ±0.02 mL Which statement best describes the results? 1)A: good precision, poor accuracy. B: poor precision, good accuracy. 2)A: poor precision, good accuracy. B: good precision, poor accuracy. 3)A: poor precision, poor accuracy. B: good precision, good accuracy. 4)A: good precision, good accuracy. B: good precision, good accuracy. 5)A: poor precision, poor accuracy. B: poor precision, poor accuracy.What is the Keg for the conversion of Glucose 1-Phosphate to Glucose 6-Phosphate if the phosphate transfer potential for Glucose 1-Phosphate and Glucose 6-Phosphate are 20.9 kJ/mol and 13.8 kJ/mol respectively? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 0.27 b 0.45 10.5 d 0.019 e 0.057 f 24.2 7.10 h 0.24 i 2477DATA Determine the Molar concentration of your dilutions using the formula M₁V₁ = M₂V₂. The initial molarity is 0.0001M (1x10-4M). M1 V1 1.56E-06 500uL Concentrations Tube 1 1.56E-06 Tube 2 Absorbance Tube 1 Tube 2 M2 Tube 3 Tube 3 V2 1000uL Tube 4 Tube 4 Tube 5 Tube 5 Tube 6 Tube 7 Tube 6 Tube 7 Tube 8 Tube 8 Tube 9 Tube 9 Tube 10 Tube 11 Tube 10 Tube 11 10
- i) Write down the equation derived from your Excel generated standard curve , figure legend and describe its components; ii) provide the values of the absorbance data of the unknown sample (do NOT show the absorbance data of the glycine standards). Show all details of the working out of your calculation. Indicate all units! Provide the answer with two decimals precisionUsing a P-1000 micropipette, you transfer 800 microliter of ddH2O to a beaker and measure its weight. It turns out to be only 780 milligram; what is the percent error of this micropipette?You obtained the following raw data when setting up a Biuret standard curve: Absorbancy BSA (mg/ml) 540nm 0.158 1 0.210 0.260 0.305 0.360 0.410 0.455 7 0.510 0.530 0.550 10 0.554 What would the quality of the line-fit (R2 value) be if you do not exclude experimental outliers? (Give you answer to 4 decimal places) O-2N 34 56 o9
