coffee extractionOne student dissolved 20mg of caffeine in20mL of water. The student carried out twoextractions using 20mL of dichloromethane ineach.Caffeine solubility in water: 2.17g / 100mL at25CCaffeine solubility in dichloromethane: 10.0g /100mL at 25Ca. Determine the distribution coefficient.b. Determine the amount of caffeine obtained inthe first extraction.c. Determine the amount of caffeine obtained inthe second extraction.d. Determine the total amount of caffeineextracted during the entire process.e. Determine the percent recovery.

Answered: coffee extraction One student dissolved…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Can balloons hold more air or more water before bursting? A student purchased a large bag of 12-inch balloons. He randomly selected 10 balloons from the bag and then randomly assigned half of them to be filled with air until bursting and the other half to be filled with water until bursting. He used devices to measure the amount of air and water was dispensed until the balloons burst. Here are the data
Calculate the transmittance percentage (%T) of a sample that has a absorbance of 0.289 at 535nm. 75.2% 28.9% 51.3% 123.1% 48.7%
Q1: A FSHN student was trying to see if onion cut in water produces significantly less tears compared to onion cut in the air. She did an experiment on 6 onions. She cut onions into half, one half was chopped in water & the other half was chopped in the air. Here is the amount of tears (in ml) she collected: air: 3.2 2.3 2.6 2.8 3.0 3.7 water: 0.2 0.03 0.09 0.1 0.01 0.15 a) What kind of test would you use to analyze this data? and Why? T test unequal variance, because there is different between variance b) Do you think the onion chopped in the air produce significantly more tears than onion cut in water? Give two reasons from the analysis to support your answer.
O A. Min= 25, Q, = 27.5, Q, = 30.75, Q, = 33, Max = 38 O B. Min = 25, Q, = 28, Q, = 30.75, Q, = 34, Max = 38 %3D O C. Min= 25, Q, = 28, Q, = 30.5, Q, = 34, Max = 38 O D. Min = 25, Q, = 27.5, Q, = 30.5, Q, = 33.5, Max = 38 %3D
-10 Drag and drop the correct answers into each of the following containers. Given: ARST - AJLK K 6. 24 12 15 JK = Perimeter of AJLK = : 51 :: 25.5 : 12 :: 7.5 hp 大 4 6. 7. 8. %#3
First find the MAD for each pair of values, a and ß. Coal Production (thousands of tons) 434,330 Year 1. 420.427 3. 439,044 4 477 200 504.182 526.949 7. 546,822 564.884 556,711 8 10 570,975 The total number of thousands of tons of coal produced per year over a 10-year period for a certain region is provided in the accompanying dataset. Use double exponential smoothing to determine which pairs of values for a and B minimize MAD for this dataset a=0.1, p=0.8, a = 0.4. B 0 2; a=0.9, = 0.6 Click the icon to view the coal production data
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