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Based on the calibration curve, what is the molar concentration for a solution with a measured absorbance of 0.383?
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- Use the References to access important values if needed for this question. You have the following data points which belong to a function of the form y = ae", where b can be positive or negative. 4.13 3.26 2.57 0.100 0.200 0.300 You wish to determine the value of the constant, 6, and to do so you will construct a linear plot. What will you plot against what? y-axis label: Iny - x-axis label: x From the values of a and y in the table above, calculate the values of the three corresponding data points. Click on the graph below, and use the "Freeform Curves" tool to plot the data. Line segments will automatically connect the points. Enter Solution What is the numerical value of the constant, b? b = Submit Answer Retry Entire Group No more group attempts remain351145 TECHNO Define fundamental unit with an example. Why is the unit of force called a derived unit? ic a derived unit? Give its two examples. measurement Dats : D Graphite and iodine a y shine. Explain it with suitable yeasons. Graphite and are non-metals but the iodine are non- metals but REDMI NOTE 10 PRO KBYLWHARNA THAPA A chemical propertie39/99/2021 17:36In the technique of high performance liquid chromatography (HPLC) the peak area response for a particular analyte is directly proportional to concentration Analgesic tablets typically consist of aspirin and caffeine as the active ingredients, the remainder made up of inert binding material. The concentrations of aspirin and caffeine may be routinely monitored using HPLC, whereby the peak areas obtained from a solution of the tablet are compared with those obtained from standard solutions of the analytes. In an analysis to determine the concentration of caffeine in such a tablet, the following data were recorded: Solutions Analysed: Tablet Sample: Mass of tablet (dissolved in 250 cm methano): 0.523 g Caffeine Standard: Mass of caffeine (diessolved in 500 cm methanol) 0.105 g HPLC results: Solution Peak Area (catfeine) 1. Tablet Sample 325 2. Caffeine Std. 865 The concentration of caffeine in the tablet (expressed as a mass (w/wl percentage) was Oa 1.89 Ob 13.4 O 3.77 Od. 267 Oe 7.54 You…
- For each problem, you must: 1) Calculate the degree of unsaturation. -1 2) Assign the principal IR absorption bands above 1500 cm 3) Draw the structure of the compound 4) Label the protons on your structure with letters and assign them to peaks on the NMR spectrum (see the example below). 4.0 C 2H 3.5 3.0 2.5 D 1H 3.0 This peak is a magnified version of this peak A 2.8 2.0 1H B zum 2.6 B 2H Each problem contains the formula of the compound, the IR spectrum (with axes in cm³¹ vs. % transmission), and the ¹H NMR spectrum (with axis in PPM shift). Some NMR spectra show a peak hovering above the baseline. This is a magnified view of one of the actual peaks, to allow you to see splitting more clearly. 1.5 2.4 OHD A 3H 1.0 PPM 0.5Based on the given data, what is the λmax of cobalt? 0.1M Cobalt 300 0.451 325 0.467 350 0.584 375 0.629 400 0.694 425 0.673 450 0.541 475 0.433 500 0.423 525 0.327 550 0.264 575 0.245 600 0.233 625 0.211 650 0.189 675 0.187 700 0.165What is the median of the values 7.79, 8.24, 5.81, 4.97, 1.04, 7.39, and 7.22?
- 4. A sphere of radius 5 x10-2 cm and density of 1.1 g/cc falls at constant velocity through a liquid of density 1.0 g/cc and viscosity of 1 poise. What is the velocity of the falling sphere?7.The word pour is commonly used in reference to liquids but not to solids or gases. Can you pour a solid or a gas? Why or why not? If either answer is yes, can you give an example?Inbc X (531 X Con X I Bala X Ans X Inbc X CHE X 101 Che X С Ч-С х b My x Unk X Sea X E I ma X app.101edu.co/# Bryant's Gmail Cascadia Canvas Lo... T GSBA Scholarship L... HOMEGROWN TRA... Learn Touch Typing... C The Science of Well... Investor360° ® Login ClickUp Reading list >> Question 7 of 40 Submit Which of the following compounds can form intermolecular hydrogen bonds? A) CH4 B) H2Se C) NH3 D) H2 E) All of these compounds can form hydrogen bonds. 10:36 AM e Type here to search 64°F 小 8/26/2021 (8)
- Compute for the sum/difference/product/quotient, then let the final answer follow correct significant figures 1. 90.09 +23.4232 +0.23 = 2. 0.000392 0.000023897 = 3. 9.00*0.012= 4. 8594.32/23 = 5. 1.23 x 1023/ 90.239=A gecdsb.elearningontario.ca/d21/Ims/dropbox/user/folder_submit_files.d21?db=24723416&grpid%3D0&isprv3D0&bp=D0&ou%3D19165928 A concept map is your own expression of the connections between concepts- multiple connections can form between ideas, so there should be lines connecting many things wherever possible. Use the following terms to create a concept map of Grade 10 Chemistry concepts. Include a brief definition/example for each term. -Matter -Atom -Subatomic particles -Metals -Non metals -Pure substances -Mixtures -Physical Properties -Chemical Properties -Physical Changes -Chemical Changes -Types of Reactions -Acid - Base -pH Submit Cancel Type here to searchGrad x I Cour X G 2.02: X G 2.0 m x G A hy X G oxide x G Exerc X E 4 -M X O Bana X G 1.84 x + college.com/course.html?courseld=16985674&OpenVellumHMAC=a0b841caaee7feddab1623a6c83a92c0#10001 I Review | Constants | Periodic MISSED THIS? Watch IWE 4.13; Read Section 4.10. You can click on the Review link to access the section in your e Text. 2.0 mol CH12 Express your answer in moles to two significant figures. Determine the number of moles of hydrogen atoms in each of the following samples. .? mol Submit Request Answer Part D 2.02 mol Cg H18 Express your answer in moles to three significant figures. mol Submit Request Answer P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy I Permissions | Contact Us I arch 3:46 88°F Mostly cloudy a a 4x 10/15/ 10 inort sc delete home end %24 4 & num 6 8 backspace lock Y U { [C home H J enter pause V B /| N M ↑ shift
