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Level = 6ft of water (h20 density = 0.036 Ib/in^3)
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- Name: Lyna Nichols NetID: Imn 194 9. A 0.250 L sample of blood plasma was found to weigh 0.25625 kg. What is the density (in g mL-¹) of blood plasma? 1L =1000 mL 250mL 256259 1 kg = 1000g 2578-5.9 250 ml over bluorle noitampo rise to 11. Convert 843 nm to m. = Im | nm = 10-9 m 100,000,000 nm .. 10. Laboratories that perform blood tests can perform 14 individual tests from a single 100.0µL sample of blood. Assuming each test required the same volume of blood, what volume (in µL) of blood is needed per test? = 10025 $1.02gmL- 0.0056709 ✓ significant Figures leading zeros not significant. 843nm = mgg VML 843, 843mm x 10-9 4 significant Figures 4 digits with a decimar 43-08 8.43 x 10-7m 12. How many significant figures are in the following set of numbers? 0.0056709; 1.157×107; 2 1.157 x 107 x 10-9 m ont enimmets. ㅇ ㅋ m | AACST) 1.81 x 6 eara A: 1.02 I significant Figure. A: 7.143 IsrW A: 8.43 x 10-7 =1 A: 5, 4, 1Times New. 10 -A A Aa | A m。M.一MH 一 24| T 明叫山国一=。一险<田。 AaBbCcDdE AaBbCcDdE AaBbCcD AaBbCcD. B IUv ab X X 2- A v Normal No Spacing Heading 1 Styles Pane Title Dictate Sensitivity Cr 1. The diameter of a neutral Helium atom is about 1 x 102 pm. Suppose we could line up Helium atoms side by side in contact with one another. Approximately, how many atoms would it take to make the distance from end to end 1 cm? 2. What is the mass number of an iron atom that has 28 neutrons? 3. Determine the number of protons and neutrons in the nucleus of : a) He z=2 A=3 b) He z=2 A=4 c) Mg z= 12 A= 24 d) Mg z=12 A=25 e) Ti z= 22 A=48 f) Br Z= 35 A = 79 Write the annronriate evmbol for each of the followwing: 252 words O Focus English (United States) Page 1 of 2 MacBook AirKsp 2.1*10^-6= (0.02-x)(0.08-2x)^2 ksp = 2.1 * 10-6 = (-0.02 - x)(0.08 - 2x)² Show Transcribed Text How do I solve this using assumptions?
- Consider the following data set: Sample Corrected Absorbance at 470 nm 100 ug/ml CuSO. standard 0.032 200 µg/ml Cuso. standard 0.058 300 ug/ml CusO. standard 400 µg/ml CuSO. standard 0.090 0.114 500 ug/ml CusO standard 0.140 CusO. Solution with Unknown Concentration 0.070 1. Plot (Using MS Excel) or draw by hand a standard calibration curve for samples 1 to 5. Determine the molar absorptivity using the absorbance of the 100 ug/ml Cuso, standard. (Note: Convert ug/ml to Molarity first using the molar mass of the standard which is 249.685 g/mol). 2. Write the resulting linear regression equation and R of the plotted standard calibration curve. 3. Calculate the concentration of the "CuSO. Solution with Unknown Concentration" using the produced linear regression equation from the standard calibration curve and its absorbance at 470 nm.Home Insert Draw View A Text Mode Lasso Select Insert Space + 4. When measuring the volume of a liquid, how would sample size (e.g., using a 10 mL graduated cylinder vs. a 100 mL graduated cylinder to measure out 70 mL of a liquid) affect the absolute error and percentage error in the measured values of mass and volume and therefore the density?The following densities of water were obtained by Student A: 1.07 g/mL, 1.14 g/mL, and 1.13 g/mL. Show how Student A determined the density of water to be 1.11 ± 0.04 g/mL. Calculation for the average = 1.11 g/mL: Calculation for the standard deviation = 0.04 g/mL:
- Hydrocarbons in the cab of an automobile were measured during trips on the New Jersey Turnpike and trips through the Lincoln Tunnel connecting New York and New Jersey. The total concentrations ( ± standard deviation) of m- and p-xylene wereTurnpike: 31.4 ± 27.0 μg/m3 (32 measurements)Tunnel: 54.9 ± 29.8 μg/m3 (32 measurements)Do these results different at the 95% confidence level?Two students measured the density of water three times each. Their results are shown below. Trial Student 1 Student 2 1 0.953 g/mL 1.102 g/mL 2 0.949 g/mL 1.005 g/mL 3 0.956 g/mL 0.901 g/mL9. Calculate the standard deviation in the measurements for student 1 and then do the same for student 2. Show your workUsing this formula Cu = Au x Cstd / Astd Where: C = concentration A = absorbance U = unknown/sample STD = standard Compute for the glucose concentration of the patient’s sample. (Note: The standard reading in the video is quite very high, so I am going to give you a value for the standard which you can use for your computation) Given: Absorbance of the standard = 0.075 Concentration of the standard is mentioned in the video. = 10.54 mmol/L Absorbance of unknown is in the video. = 0.083 Convert your answer to mmol/L or S.I. using the conversion factor for glucose which is 0.055
- QUESTION 7 Find the incorrect equality O 1h = 3600 s O 1 gal = 4 qt %3D O 5 mL = 1 tsp %3D O 1L= 1000 mm QUESTION 8 What is the conversion factor for theThe pharmacist attempts to weigh 120 mg of codeine sulfate on a balance with a sensitivity requirement of 6 mg. Calculate the maximum potential error in terms of percentage.Table 1: Standard Curve for Bradford Method. Absorbance measured at 595 nm Concentration of BSA Stock solution is 200 ug/mL Amount of protein in tube (ug) O ug Volume of Volume of BSA Absorbance Bradford reagent 3000 µl 3000 µl 3000 µl 3000 µl 3000 µl 3000 µl Cuvette no. Standard 0.00 O ul 30 µl 60 μl 90 μl 120 µl 150 µl В 0.1435 1 0.2968 2 0.402 3 0.5038 4 0.587
