PhysioEx Exercise 11 Activity 1

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EXPERIMENT :Estimation of Dissolved Oxygen I want Result & Analysis for this experiment includes Precautions

please i really need your help with this

Construct a simulated 'H NMR spectrum for 1,1-dibromoethane. Drag and drop the appropriate splitting patterns into the boxes on the chemical shift baseline, and add integration values above each signal. Splitting patterns and integrations may be used more than once. Peak heights do not represent integration values. Br Br 1H 3H O ppm 4 3 Answer Bank

i need help calculating slope and inverse slope pleas

URGENT PLEASE ANSWER CORRECTLY THANK YOU

Prelab1 Please help with 1-3

Using image attached please answer the 2 questions in the image attached Also please calculate error Please please please answer as soon as possible

question 4 and 5

▼ ▼ Part A pH = 1.56 Express your answer using two significant figures. [H3O+] = Submit Part B [H30¹] = ΕΙ ΑΣΦ pH = 3.58 Express your answer using two significant figures. Submit Request Answer 15. ΑΣΦ Request Answer Bo ? M M

Answer the flow diagram to show the sequence of steps in a typical quantitative analysis

This is not an assignment, trying to practice for my lab exam with similar questions that may be on there.

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Use the calibration curve or linear regression equation to determine the concentration of FD&C blue dye No. 1 in Kool-aid. Food Coloring is 0.026 M in FD&C blue dye No. 1 7.5 x 10 -5 M is 29 mL -> 1000 mL

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20,18,2,4,15,15,10 Using these data, construct a 80% confidence interval for the average net change in a student's score after completing the course. Assume the population is approximately normal.  Construct the 80% confidence interval. Round your answer to one decimal place.

analyte concentration(C)(mg/ml) injection volume (ul) elution time (time) peak DAD signal(mAU) caffeine 1 1 4.67 302.85 aspartame 5 1 7.53 15.83 benzoic acid 1 1 8.14 89.98 saccharin 1 1 1.91 84.86 mixture(add everything above with 1:1:1:1 ratio)   1 4.47 69.58 How to get the concentration of the mixture in this case?

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EXPERIMENT :Estimation of Dissolved Oxygen I want Result & Analysis for this experiment

Question 35

How do I complete table 4 with the date given in table 3?

20 Mercury analysis results performed on a drinking water sample are given in the table below. 13 15 Analysis No1 Mercury (ppb) 54.1 55.5 63.8 54.4 55.8 57.9 Which value is the average with the 90% confidence interval? (t = 2.02, s = 3.63) a) O 56.9 ± -3.0 b) O 56.9 + -2.8 C) O 55.9 ± -3.0 d) O 56.9 ± -3.1 O Boş bırak

Table #2 Worktable for BCA Assay Standard Water (μl) Tube # 1 2 3 4 5 6 7 8 9 0 125 325 175 325 325 325 400 400 BSA source (μl) 300 stock 375 stock 325 stock 175 of tube #2 325 of tube #3 325 of tube #5 325 of tube #6 100 of tube #7 0 Protein (ug) Add the volumes listed in Table 2 to each tube. Add the water first and then the appropriate standard. Pipette each of the protein samples directly into the water, do not dribble on the side of the test tubes. The standard is at a concentration of 2 mg/ml and contains bovine serum albumin (BSA). Calculate the amount of BSA protein added to each of the tubes and write this in Table 2 (Protein (ug)).

02A: 2.1-2.5 and Accuracy Handout (70 min) ulate Figures of Merit for Trueness ▾ Part A. Absolute Error A breathalyzer is a portable electrochemical instrument that measures the concentration of ethyl alcohol in a sample of exhaled breath A forensic chemist checks the calibration of a breathalyzer by testing a standard air sample known to contain 0.174 mg/L of ethanol seven times. The average value of these seven replicate measurements is found to be 0 157 mg/1 Calculate the absolute error of the breathalyzer. 1971 ΑΣΦΑ Submit Previous Answers Request Answer ? Previous x Incorrect; Try Again: 4 attempts remaining Q Search mgl ly Colle 16 of 17 E dx Next 11:44 PM 1/31/202 BANG &

ESF X empt/quiz_start_frame_auto.d21?ou=9739790&isprv=&qi=11007766&cfql=0&dnb=0&fromQB=0&inProgress=1 ystems Question 5 (1 point) Ben starts walking along a path at 3 mi hr¹. Amanda starts jogging along the same path 1 hour later at 5 mi hr. After how much time jogging does Amanda catch up to Ben? 3.5 hr 2.5 hr 2 hr 16

Trial 1 Trial 2   Initial Buret Reading 0.05 mL 0.02 mL   Final Buret Reading 25.25 mL 23.22 mL   Volume of base used       Molarity of base used 0.1045 M 0.1045 M   Volume of vinegar used 5.00 mL 5.00 mL

MODIFIED TRUE OR FALSE NUMBER 3 AND 5 ONLY

I need help to calculate this data please thanks a lot

Give only typing answer with explanation and conclusion

Question 1 of 20 A barrel of crude oil has a volume of 42 gallons, only approximately 45% of which is processed into gasoline. If your car achieves 32 mi/gal, and you drive 36,000 miles in one year, how many barrels of crude oil are required to run your car for a year? Tap here or pull up for additional resources

A pipet delivers 10.9 mLmL , 10.1 mLmL , and  10.9 mLmL  in consecutive trials. Find the mean volume of the samples.  =  Answer = 10.6 mL Part B What is the average deviation from the mean for the above samples?

A bucket of water has a volume of 0.473 kL . How many dL is this? STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 47300 1000 0.001 0.01 10 4730 0.0000473 100 0.473 0.1 1 0.00473 473 0.000473 kL dL +

Part A: Basic Laboratory Operations Density of a Solid TRIAL 1 TRIAL 2 Mass of solid (g) 19.761 g 19.763 g Volume of water (cm³) 75.0 cm^3 75.0 cm^3 Volume of water and solid (cm³) 78.0 cm^3 78.0 cm ^3 Volume of solid (cm³) 3.0 cm^3 3.0 cm^3 Density of solid (g/cm³) 7.0 g / cm^3 7.0 g / cm^3 Average density of solid (g/cm³) 7.0 g / cm^3 Identity of solid Zinc metal [Density = 7.133 g/cm^3] 1. Density of Zinc: Consider the data and results from the density of zinc determination. Now focus on the average absolute error associated with the calculated average density of zinc. Which measurement contributes the most relative error to this value? Given that measurement and its associated absolute error, is the calculated average absolute error reasonable and why? What aspect of the experiment limited the measurements the most?