Question

8. Describe how to perform each of the following techniques on a polymer sample and explain...

8. Describe how to perform each of the following techniques on a polymer sample and explain how a value of the average molar mass can be obtained. Include whether it is an exact or a relative method.

a. NMR

b. MALDI-TOF

c. SEC

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
8. Describe how to perform each of the following techniques on a polymer sample and explain...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Q2 (a) Explain the effect of each of the following changes on the molar mass of a polymer formed by radical polymerisati...

    Q2 (a) Explain the effect of each of the following changes on the molar mass of a polymer formed by radical polymerisation, assuming everything else is kept constant as much as possible: (i) Doubling the initiator concentration (ii) Reducing the monomer concentration by a factor of five (iii) Adding a chain transfer agent

  • Can you please explain how to do 7, 8, and 9? Also, please circle or box...

    Can you please explain how to do 7, 8, and 9? Also, please circle or box the answer. Thanks in advance! 7. Unit of molar mass is almol. If 3g of oxygen gas contains 0.0937 moles of oxygen, its molar mass is 8. A sample of oxygen gas at a pressure of 1.18 atm and a temperature of 24.6 °C. occupies a volume of 868 mL. If the gas is compressed at a constant temperature until its pressure is 1.38...

  • Critique each of the following proposed research plans. Your critique should explain any problems with the proposed rese...

    Critique each of the following proposed research plans. Your critique should explain any problems with the proposed research and describe how the research plan might be improved. Include a discussion of any additional data that need to be collected and the appropriate statistical techniques for analyzing the data. (a) A researcher is interested in determining whether a large firm is guilty of gender bias in setting wages. To determine potential bias, the researcher collects salary and gender information for all...

  • practice quiz 1. (3 pts) For each of the following compounds, indicate whether the two protons...

    practice quiz 1. (3 pts) For each of the following compounds, indicate whether the two protons shown are homotopic, enantiotopic, or diastereotopic. 2. (8 pts) Indicate the number of signals each of the following compounds would show in their 'Hand C NMR spectra: OME 'H__ _ H__ __ H__ __ H__ "C 3. (10 pts) For each of the following compounds, determine the multiplicity of each signal in the H NMR spectrum: la xiu ood ex gx x x 4....

  • For each of the following: Briefly describe what it is. Give the value of the index...

    For each of the following: Briefly describe what it is. Give the value of the index today (include the date in your answer.) Briefly explain how the index has changed in the past month. a, Dow Jones Industrial Average b. Standard and Poor’s 500 Index c. Nasdaq Composite Index

  • 1. For each of the following methods of determining whether a molecule is chiral or achiral, describe in detail HOW the...

    1. For each of the following methods of determining whether a molecule is chiral or achiral, describe in detail HOW the method works, and illustrate EACH with an example. a) Locating and counting the number of chiral centers or stereogenic centers in the molecule. b) Measuring a sample's optical rotation. ie: part A) How can you use the method of locating and counting chiral centers in the molecule to determine if it is chiral or achiral? part B) How can...

  • How much is in that can? A machine that fills beverage cans is supposed to put 12 ounces of beverage in each can

    How much is in that can? A machine that fills beverage cans is supposed to put 12 ounces of beverage in each can. Following are the amounts measured in a simple random sample of eight cans. 12.09 11.98 12.16 12.03 12.12 12.20 12.10 12.18 Perform a hypothesis test to determine whether the mean volume differs from 12 ounces. Use the a-0.01 level of significance and the critical value method. 

  • In Matlab explain how MMAIDAB gou that ansWer! 8. Perform row operations: The three elementary row operations can be per...

    In Matlab explain how MMAIDAB gou that ansWer! 8. Perform row operations: The three elementary row operations can be performed in MATLAB using the following commands Type 1: ACEi, j] , Đ#A ( [j, i] , Đ interchanges row i and row j Type 11: A(i, :)#0#A(i, :) multiplies row i bya Type III: A(i,:)-A(i, :)+ a*A(j,:) multiplies row j by a and adds it to row i Enter the following matrix: 12 -9 34 Perform row operations in MATLAB...

  • Mass Spectrometry Part A: Match each statement with the term it most closely matches. A Hard...

    Mass Spectrometry Part A: Match each statement with the term it most closely matches. A Hard ionization B Electrospray Ionization (ESI) C Molecular ion peak D Ion-Trap E Fast atom bombardment (FAB) F Time of Flight (TOF) G Base peak H Quadrupole I Soft ionization J Matrix-Assisted Laser Desorption/Ionization (MALDI) K Magnetic sector 1. ___ This ionization technique is used to analyze large, non-volatile molecules. The analyte is dissolved in a liquid matrix and placed on a target where it...

  • Sample 2 97.79 g 102.95 g 101.15 g Sample 1 (a) Mass of 98.32 g crucible...

    Sample 2 97.79 g 102.95 g 101.15 g Sample 1 (a) Mass of 98.32 g crucible + lid (b) Mass of crucible, lid + 103.76 g KCIO3 (c) Mass of crucible, lid + 102.01g residue after 1st heating (d) Mass of crucible, lid + residue after 101.69 g 2nd heating (e) Mass of crucible, lid + 101.68 g residue after 3rd heating 101.05 g 101.01 g Data Analysis .Use your data to determine the experimental mass percent of oxygen in...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT