Check the answer
and correct the wrong oneHomework Answers
Q7: The formula for number average molecular weight, Mn=?xiMi=x1M1+x2M2+....x8M8 =49800 g/mol. The calculation detail is given in the attached picture.
Q8: The formula for weight average molecular weight, Mw=?xiWi=x1W1+x2W2+....x8W8 =55200 g/mol. The calculation detail is given in the attached picture.
Q9: Degree of polymerization=Dp=Mn/m. Here Mn is number average molecular weight and m is the molecular weight of polytetrafluoroethylene (C2F4)n.
m=(molecular weight of C)x2+ (molecular weight of F)x4 =12x2 + 19x4 =100 g/mol.
Therefore= Dp= 49800/100=498
Add Answer to:
Check the answer
and correct the wrong one
Thank you
D Question 7 Use the Pre-class...
Please check answers and explain if wrong and what correct answer is. Thank you!! Question 2...
Please check answers and explain if wrong and what correct
answer is. Thank you!!
Question 2 (4 points) Saved An electrochemical cell in which an external current source supplies the energy for the electron transfer is an) electrolytic cell concentration cell combination cell voltaic cell half cell Question 3 (4 points) Saved Which of the following half reactions could occur at the cathode of an electrochemical cell? Cu ----> Cu2+ + 2e Cu + 2e ----> Cu2+ two of these...
please explain why the correct answer and why the other choices are wrong. thank you very...
please explain why the correct answer and why the other
choices are wrong. thank you very much! i have to study this!
21. Which of the following structures correctly represents trans-3-heptene? a. HzC- 22. Which of the following is the most acidic hydrocarbon? CH3 H3C H- CH3 e. CH3 CH3 H3C Which of these bases can deprotonate acetylene (PK, 26)? The pK, values for the conjugate acids are shown in parentheses. a. NaOH (15.7). d. NaHCO3 (6.3) b. Butyllithium (50-60)...
The correct answer is A. My question is why the answer cannot be D? I think...
The correct answer is A. My
question is why the answer cannot be D? I think D is kind of
discrete data. Thank you!
4. (TPS5e Chapter 1-6) For which of the following variables would it be more appropriate to use a bar graph than a histogram? A. Favorite color B. Annual income C. Grade point average D. Number of children E. Weight
This might be wrong. I need a help for correct answer. Thank you. QUESTION 14 Which...
This might be wrong. I need a help for correct answer. Thank
you.
QUESTION 14 Which of the following statements is true? We can use NPV to evaluate two mutually exclusive repeated projects. To make an investment decision based on IRR, we do not need to know the appropriate discount rate. We can use profitability index to evaluate mutually exclusive project. For a given project, NPV and Discounted Payback Period will reach the same decision if the targeted time is...
problem on mathematical modelling in engineering (please answer from (a )to (d))) thank you 7. a. In the following d...
problem on mathematical modelling in engineering (please
answer from (a )to (d)))
thank you
7. a. In the following data, W represents the weight of a fish (bass) and / represents its length. Fit the model W kl3 to the data using the least-squares criterion. 12.625 14.125 12.625 17.75 17.25 14.5 14.5 12.5 Length, I (in.) 23 16 17 49 26 17 41 Weight, W (oz) 27 kig2 to the b. In the following data, g represents the girth of...
class name HEALTH SERVICES ADMINISTARTION please help!!! thank you Question 7 One defense method that any...
class name HEALTH SERVICES ADMINISTARTION
please help!!! thank you
Question 7 One defense method that any health care provider, including the medical assistant, can use in a lawsuit is: A. cross-examination. B. a reputable attorney. OC. the appeal process. D. direct examination. E. the medical record.
please answer question 1 ASAP and thank you answer a,b,c,d,e,f,g and thank you DIU LIL HUITWork...
please answer question 1 ASAP and thank you
answer a,b,c,d,e,f,g and thank you
DIU LIL HUITWork 1 Using the midpoints of the indicated ranges of X (ie. 1.90 gram for the first class), to Note: To get full credit for your homework, you need to show step by step calculation which includes the formula, how to apply the date of question to the formule, and answer with an appropriate unit. Showing only the final solution (e.g, a single number) will...
040 1/d/outline | a Search estion Completion Status: QUESTION 1 . You would typically use a descriptive study O a....
040 1/d/outline | a Search estion Completion Status: QUESTION 1 . You would typically use a descriptive study O a. For a comparison between a new SSR1 drug and Venlafaxine O b. To document a cluster of Wegener's granulomatosis cases that has recently appe in your area To evaluate the effects of Team Based Learning (TBL) versus didactic lecture O d. To compare the difference between random sampling and alternate sampling methods for assessing the efficacy of ECT and psychotherapy...
please answer and check the questions. thank you so much. QUESTION 7 Electromagnetic radiation with a...
please
answer and check the questions. thank you so much.
QUESTION 7 Electromagnetic radiation with a frequency of 12 x 1014 Hz has a wavelength of: 2.5 x 10-7 m 8.7 x 10-7 m 3.6 x 1023 m 1.9 x 10-9m QUESTION 8 List the following isoelectronic species in order of size, smallest to largest: Cl", Ar, k*, Ca2+ CI', Ar, K+, Ca2+ Ca2+,kt, Ar, CI cr, kt, ca2+, Ar Ca2+,Ar, ci,kt QUESTION 9 An ionized transition metal will lose...
**Just need help with one I got wrong** Thank you Budget Analysis I: A budget is...
**Just need help with one I got wrong** Thank you
Budget Analysis I: A budget is an expression of management's expectations and goals concerning future revenues and costs. To increase their effectiveness, many budgets are flexible, including allowances for the effect of variation in uncontrolled variables. For example, the costs and revenues of many production plants are greatly affected by the number of units produced by the plant during the budget period, and this may be beyond a plant manager's...
Please check answers and explain if wrong and what correct
answer is. Thank you!!
Question 2 (4 points) Saved An electrochemical cell in which an external current source supplies the energy for the electron transfer is an) electrolytic cell concentration cell combination cell voltaic cell half cell Question 3 (4 points) Saved Which of the following half reactions could occur at the cathode of an electrochemical cell? Cu ----> Cu2+ + 2e Cu + 2e ----> Cu2+ two of these...
please explain why the correct answer and why the other
choices are wrong. thank you very much! i have to study this!
21. Which of the following structures correctly represents trans-3-heptene? a. HzC- 22. Which of the following is the most acidic hydrocarbon? CH3 H3C H- CH3 e. CH3 CH3 H3C Which of these bases can deprotonate acetylene (PK, 26)? The pK, values for the conjugate acids are shown in parentheses. a. NaOH (15.7). d. NaHCO3 (6.3) b. Butyllithium (50-60)...
The correct answer is A. My
question is why the answer cannot be D? I think D is kind of
discrete data. Thank you!
4. (TPS5e Chapter 1-6) For which of the following variables would it be more appropriate to use a bar graph than a histogram? A. Favorite color B. Annual income C. Grade point average D. Number of children E. Weight
This might be wrong. I need a help for correct answer. Thank
you.
QUESTION 14 Which of the following statements is true? We can use NPV to evaluate two mutually exclusive repeated projects. To make an investment decision based on IRR, we do not need to know the appropriate discount rate. We can use profitability index to evaluate mutually exclusive project. For a given project, NPV and Discounted Payback Period will reach the same decision if the targeted time is...
problem on mathematical modelling in engineering (please
answer from (a )to (d)))
thank you
7. a. In the following data, W represents the weight of a fish (bass) and / represents its length. Fit the model W kl3 to the data using the least-squares criterion. 12.625 14.125 12.625 17.75 17.25 14.5 14.5 12.5 Length, I (in.) 23 16 17 49 26 17 41 Weight, W (oz) 27 kig2 to the b. In the following data, g represents the girth of...
class name HEALTH SERVICES ADMINISTARTION
please help!!! thank you
Question 7 One defense method that any health care provider, including the medical assistant, can use in a lawsuit is: A. cross-examination. B. a reputable attorney. OC. the appeal process. D. direct examination. E. the medical record.
please answer question 1 ASAP and thank you
answer a,b,c,d,e,f,g and thank you
DIU LIL HUITWork 1 Using the midpoints of the indicated ranges of X (ie. 1.90 gram for the first class), to Note: To get full credit for your homework, you need to show step by step calculation which includes the formula, how to apply the date of question to the formule, and answer with an appropriate unit. Showing only the final solution (e.g, a single number) will...
040 1/d/outline | a Search estion Completion Status: QUESTION 1 . You would typically use a descriptive study O a. For a comparison between a new SSR1 drug and Venlafaxine O b. To document a cluster of Wegener's granulomatosis cases that has recently appe in your area To evaluate the effects of Team Based Learning (TBL) versus didactic lecture O d. To compare the difference between random sampling and alternate sampling methods for assessing the efficacy of ECT and psychotherapy...
please
answer and check the questions. thank you so much.
QUESTION 7 Electromagnetic radiation with a frequency of 12 x 1014 Hz has a wavelength of: 2.5 x 10-7 m 8.7 x 10-7 m 3.6 x 1023 m 1.9 x 10-9m QUESTION 8 List the following isoelectronic species in order of size, smallest to largest: Cl", Ar, k*, Ca2+ CI', Ar, K+, Ca2+ Ca2+,kt, Ar, CI cr, kt, ca2+, Ar Ca2+,Ar, ci,kt QUESTION 9 An ionized transition metal will lose...
**Just need help with one I got wrong** Thank you
Budget Analysis I: A budget is an expression of management's expectations and goals concerning future revenues and costs. To increase their effectiveness, many budgets are flexible, including allowances for the effect of variation in uncontrolled variables. For example, the costs and revenues of many production plants are greatly affected by the number of units produced by the plant during the budget period, and this may be beyond a plant manager's...
Most questions answered within 3 hours.
-
Calculate the number density of argon gas at a temperature of
24C and a pressure of...
asked 3 hours ago -
Alternative
Classification
How to Estimate
Probabilities from Data? ( For continuous Attributes)
And How to generate...
asked 3 hours ago -
An explosion breaks a 20.0-kg object into three parts. The
object is initially moving at a...
asked 4 hours ago -
Calculate the approximate number of residues of Rubisco, which
is involved in carbon fixation in plants,...
asked 5 hours ago -
Other decisions about scientific claims can have a much broader
impact.ENERGYarrow-10x10.png, environment, health, security - all...
asked 5 hours ago -
I need to write a research paper and work cited about this
topic: The United States...
asked 6 hours ago -
Hello! I was wondering if I could have some help?
If the vapor pressure of carvone...
asked 6 hours ago -
An economist wants to estimate the mean per capita income (in
thousands of dollars) for a...
asked 7 hours ago -
What would be the input/output characteristic of a circuit
obtained by putting two of your 2's-complementers...
asked 6 hours ago -
In Drosophila, the transition from the syncytial blastoderm
stage to the cellular blastoderm stage is a...
asked 7 hours ago -
Project management question:
Name 3 different types of resources (hint: humans are one
type)
asked 7 hours ago -
Consider the following reaction: C 2H 2( g) + 2H 2( g) C 2H 6(
g)...
asked 7 hours ago