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4. You...
Please help me answer the following questions: (iv) Calculate the molar extinction coefficient (molar absorptivity) of t...
Please help me answer the following
questions:
(iv) Calculate the molar extinction
coefficient (molar absorptivity) of the maximum absorbance of the
spectrum in Figure 1.
(v) Estimate the wavenumber gap
between the vibrational levels that gives the vibronic structure
apparent in the spectrum of anthracene. Check your answer before
proceeding to answer the next question. (Note: the peaks
are a single vibronic progression so you can average your estimates
of the wavenumber gap.)
5 M compound (2) Figure 1: Absorbance...
I need help doing just the questions, not the graph or the conclusion F17 MATERIALS 0.12...
I
need help doing just the questions, not the graph or the
conclusion
F17 MATERIALS 0.12 g [Fe(phen)3]Cl2 (student's red crystals from the previous experiment) 0.5 mL unknown [Fe(phen)3]Cl2 solution 175 mL DI water A. Series of Dilutions: Concentration of stock solution 3.15x103M 105gx mol 667.354 IL 0.05004 Concentrations of the series of dilutions Solution Concentration 0.2/25 2.52x10m 0.4/25 5.04×105m 0.6/25 7.56 X10 sm 0.8/25 1.0088 10" 1.0/25 1.26x10 "m Abs atmas 0.20_ Unknown 514nm 0.52 1.42 Solution 0.2/25 0.4/25...
Hi I am im a biochemistry lab and we are doing an experiment titled: PCR Amplification...
Hi
I am im a biochemistry lab and we are doing an experiment titled:
PCR Amplification of LeuRS F C Terminal Domain. I am having
troubles figuring out the rest of my caluclations.
I already did the calculations for the first dilution set, I
was wondering how I would do the calculation for the second
dilution set.
Also I was wondering how I would determine the theoretical
values for my data. Is there a specific formula I can use?
If...
Hi, I need checking on all the work. If anything is wrong then show me step...
Hi,
I need checking on all the work. If anything is wrong then show me
step by step how is done.
11. Obtain a Cu 2 solution of unknown concentration. Write the unknown number on the data sheet. 12. Measure the absorbance of your standard solution, the two dilutions, and the unknown solution. Record these readings on the data sheet. All measurements will be made in the same cuvette and with the instrument set at a wavelength of 630 nanometers...
Can you help me answer 4&5? Zinc(ll) and the ligand L forma 1:1 complex that absorbs...
Can you help me answer 4&5?
Zinc(ll) and the ligand L forma 1:1 complex that absorbs strongly at 600 am As long as the molar concentration of L exceeds that of Zn(II) by a factor of 5. the absorbance depends only on the cation concentration Neither Zn(ll) nor L absorbs at 600 nm A solution that is 1.59 times 10^-4 M Zn(ll) and 1.00 times 10^-3 M in L has an absorbance of 0,352 in a 1.00-cm cell at 600...
Analysis of plant pigments lab report Please help me with making a graph and answering the...
Analysis of plant pigments lab report
Please help me with making a graph and answering the following
questions
Thanks!
*anthocyanin is excluded becasue we couldn’t obtain the
data
of eai wil be taken at 450 nm) and re-zero the machine nce valuit reading e ament at 400 nm, you can then 11) After finding the absorbance value wavelength by 50 nm (so the next reading wil h using the cuvette with just solvent as you did before en at 450...
I need help with all three parts. Can you please explain to me how do I...
I need help with all three
parts. Can you please explain to me how do I calculate J
values?
3) What is the structure of the compound in the following 1H-NMR spectrum with the molecular formula C2H, NO and a characteristic IR stretch near 1700 cm-1? Relative integration is shown. a) Explain the multiplicity and the chemical shift of each signal b) Indicate in each signal how you would calculate the coupling constants (). Give an approximate value (range) for...
Please Help Do Not forget to explain please! Worksheet 4: Identification of Unknown Organic Compounds Reading:...
Please Help Do Not forget to explain please!
Worksheet 4: Identification of Unknown Organic Compounds Reading: For a quick video about the "Rule of 13" https://www.youtube.com/watch?v=2YNE7w_GQIO Introduction One of the most important tasks that chemists are faced with is the separation and identification of compounds from mixtures. Gratifyingly, chemists have multiple tools in the quest to identify unknown organic compounds. Infrared spectroscopy is useful for determining functional groups that may exist in a molecule. NMR spectroscopy tells information about the...
could you all please show the answers to number 3, and show the answer and explain for number 5? answer to number 4 i...
could you all please show the answers to number 3, and show the
answer and explain for number 5? answer to number 4 is not
needed.
please also draw out the spectrums for number 5.
3. What is the ratio of the protons for the following compounds (from left to right)? Provide multiplicity (splitting) for each proton. Provide number of different (symmetrically inequivalent) carbons for each compound. 3:2:3 Which compounds should have diastereotopic hydrogens? More than one correct answer is...
PLEASE ANSWER 1-4b. AND EXPLAIN ANSWERS. THIS IS SECOND TIME I ASKED QUESTION PLEASE ONLY ANSWER...
PLEASE ANSWER 1-4b. AND EXPLAIN ANSWERS.
THIS IS SECOND TIME I ASKED QUESTION PLEASE ONLY ANSWER IF YOU ARE
SURE YOU ARE CORRECT.
EXHIBITS BELOW:
Casey Nelson is a divisional manager for Pigeon Company. His annual pay raises are largely determined by his division's return on investment (ROI), which has been above 22% each of the last three years. Casey is considering a capital budgeting project that would require a $3,800,000 investment in equipment with a useful life of five...
Please help me answer the following
questions:
(iv) Calculate the molar extinction
coefficient (molar absorptivity) of the maximum absorbance of the
spectrum in Figure 1.
(v) Estimate the wavenumber gap
between the vibrational levels that gives the vibronic structure
apparent in the spectrum of anthracene. Check your answer before
proceeding to answer the next question. (Note: the peaks
are a single vibronic progression so you can average your estimates
of the wavenumber gap.)
5 M compound (2) Figure 1: Absorbance...
I
need help doing just the questions, not the graph or the
conclusion
F17 MATERIALS 0.12 g [Fe(phen)3]Cl2 (student's red crystals from the previous experiment) 0.5 mL unknown [Fe(phen)3]Cl2 solution 175 mL DI water A. Series of Dilutions: Concentration of stock solution 3.15x103M 105gx mol 667.354 IL 0.05004 Concentrations of the series of dilutions Solution Concentration 0.2/25 2.52x10m 0.4/25 5.04×105m 0.6/25 7.56 X10 sm 0.8/25 1.0088 10" 1.0/25 1.26x10 "m Abs atmas 0.20_ Unknown 514nm 0.52 1.42 Solution 0.2/25 0.4/25...
Hi
I am im a biochemistry lab and we are doing an experiment titled:
PCR Amplification of LeuRS F C Terminal Domain. I am having
troubles figuring out the rest of my caluclations.
I already did the calculations for the first dilution set, I
was wondering how I would do the calculation for the second
dilution set.
Also I was wondering how I would determine the theoretical
values for my data. Is there a specific formula I can use?
If...
Hi,
I need checking on all the work. If anything is wrong then show me
step by step how is done.
11. Obtain a Cu 2 solution of unknown concentration. Write the unknown number on the data sheet. 12. Measure the absorbance of your standard solution, the two dilutions, and the unknown solution. Record these readings on the data sheet. All measurements will be made in the same cuvette and with the instrument set at a wavelength of 630 nanometers...
Can you help me answer 4&5?
Zinc(ll) and the ligand L forma 1:1 complex that absorbs strongly at 600 am As long as the molar concentration of L exceeds that of Zn(II) by a factor of 5. the absorbance depends only on the cation concentration Neither Zn(ll) nor L absorbs at 600 nm A solution that is 1.59 times 10^-4 M Zn(ll) and 1.00 times 10^-3 M in L has an absorbance of 0,352 in a 1.00-cm cell at 600...
Analysis of plant pigments lab report
Please help me with making a graph and answering the following
questions
Thanks!
*anthocyanin is excluded becasue we couldn’t obtain the
data
of eai wil be taken at 450 nm) and re-zero the machine nce valuit reading e ament at 400 nm, you can then 11) After finding the absorbance value wavelength by 50 nm (so the next reading wil h using the cuvette with just solvent as you did before en at 450...
I need help with all three
parts. Can you please explain to me how do I calculate J
values?
3) What is the structure of the compound in the following 1H-NMR spectrum with the molecular formula C2H, NO and a characteristic IR stretch near 1700 cm-1? Relative integration is shown. a) Explain the multiplicity and the chemical shift of each signal b) Indicate in each signal how you would calculate the coupling constants (). Give an approximate value (range) for...
Please Help Do Not forget to explain please!
Worksheet 4: Identification of Unknown Organic Compounds Reading: For a quick video about the "Rule of 13" https://www.youtube.com/watch?v=2YNE7w_GQIO Introduction One of the most important tasks that chemists are faced with is the separation and identification of compounds from mixtures. Gratifyingly, chemists have multiple tools in the quest to identify unknown organic compounds. Infrared spectroscopy is useful for determining functional groups that may exist in a molecule. NMR spectroscopy tells information about the...
could you all please show the answers to number 3, and show the
answer and explain for number 5? answer to number 4 is not
needed.
please also draw out the spectrums for number 5.
3. What is the ratio of the protons for the following compounds (from left to right)? Provide multiplicity (splitting) for each proton. Provide number of different (symmetrically inequivalent) carbons for each compound. 3:2:3 Which compounds should have diastereotopic hydrogens? More than one correct answer is...
PLEASE ANSWER 1-4b. AND EXPLAIN ANSWERS.
THIS IS SECOND TIME I ASKED QUESTION PLEASE ONLY ANSWER IF YOU ARE
SURE YOU ARE CORRECT.
EXHIBITS BELOW:
Casey Nelson is a divisional manager for Pigeon Company. His annual pay raises are largely determined by his division's return on investment (ROI), which has been above 22% each of the last three years. Casey is considering a capital budgeting project that would require a $3,800,000 investment in equipment with a useful life of five...
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