1. Why converting transmittance to absorbance for IR sucrose calibration curve? 2. Explain two reasons for...
1. Why converting transmittance to absorbance for IR sucrose calibration curve?
2. Explain two reasons for the differences between the IR spectra of solid sucrose and 24wt% aqueous citingspecific wavenumbers where applicable. Hints: background and hydrolysis
Homework Answers
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1. Why converting transmittance to absorbance for IR sucrose
calibration curve?
2. Explain two reasons for...
1. Explain the purpose of the calibration curve, and why it is necessary to have a calibration curve for each diffe...
1. Explain the purpose of the calibration curve, and why it is necessary to have a calibration curve for each different instrument used. 2. Explain why there may have been some variation in your calculated values of K. 3. Explain why you started with different concentrations of reactants and products and ended up with similar values of K. Was this expected? 4. Calculate the value of Q. for each of test tubes A, B, C, and D. How do these...
1) List and explain the three reasons the aggregate-demand curve is downward sloping. 2) Explain why...
1) List and explain the three reasons the aggregate-demand curve is downward sloping. 2) Explain why the long-run aggregate-supply curve is vertical. 3) What causes aggregate demand to shift to the left and what causes an aggregate demand to shift to the right? Give one example for each scenario. 4) Explain why economic fluctuate in the short term and contrast short-term and long-term economic performance. 5) How can we use the aggregate demand and supply models to study the sources...
3) The IR spectrum of [(-C5H5)Fe(CO)2]2 shows two bands in two different areas of the (CO)...
3) The IR spectrum of [(-C5H5)Fe(CO)2]2 shows two bands in two
different areas of the (CO) region - close to 1800 cm-1 and close
to 2000 cm-1 . Why is this so? (A general answer will suffice; it
is not necessary to assign all the bands in the IR spectrum of the
dimer).
44 2) On the following page you will find illustrations of the v(CO) region of the IR spectra of (n-C5H5)Fe(CO)21 and [(1-C5H5)Fe(CO) 2]2 obtained using cyclohexane solutions...
1. what is the purpose of a performance appraisal? 2. name and explain two reasons why...
1. what is the purpose of a performance appraisal? 2. name and explain two reasons why employees resist change? 3. define the proactive personality? 4. define the term glass ceiling? 5. explain the consequences of stress to corporation? 6. why should employees be given an appeals process?
1. Define data dependency, and explain only two reasons why this is undesirable. Explain the solution...
1. Define data dependency, and explain only two reasons why this is undesirable. Explain the solution to this. 2. One of the advantages of a database management system is to provide data independence. Explain this.
the guiding questions. the max absorbance is 460. Guiding questions complex turque . Compare the molar...
the
guiding questions. the max absorbance is 460.
Guiding questions complex turque . Compare the molar absorptivity coefficients you obtained with SCN and Fe" as limiting reagents. Would you expect them to be the same? Why or why not? (Week 1) • The accepted molar absorptivity coefficient for FeSCN is 7.0x10' M'cm''. Find the bias and relative bias of your values and suggest possible sources of errors. (Week 1) • Which molar absorptivity coefficient will you use to calculate the...
1. Explain two reasons why it is important to have a working knowledge of DFDs and...
1. Explain two reasons why it is important to have a working knowledge of DFDs and flowcharting. 2. What does the Sarbanes-Oxley Act require that is relevant to documentation tools? 3. Describe a situation in which data flow should be shown with two data flow lines instead of one. 4. Describe the different levels of DFDs.
1. Indicate the type of bond you would expect between the following elements and explain at least two reasons why?...
1. Indicate the type of bond you would expect between the following elements and explain at least two reasons why? a. BaCl2 b. SO C. PCL3 d. O e. SiF 2. Draw the dot structure of the molecules and determine its shape and bond angle. d. C2H2 e. H2SO4 c. H₂O a. Co2 b. NI:
Beer’s Law Objective : We will explore an application of absorption spectroscopy using calibration curves and...
Beer’s Law Objective : We will explore an application of absorption spectroscopy using calibration curves and Beer’s Law. Use the “LAB : HOW TO…” link from the class website if you need help with how to use balance, Bunsen burner… and such. Introduction: You may write this information in your lab notebook for your own reference. It can’t be cut and pasted. Different solutions have different spectral properties. In this portion of the experiment those properties will be utilized to...
1. Explain why the aggregate demand (AD) curve is downward slopping (on the two dimensional price...
1. Explain why the aggregate demand (AD) curve is downward slopping (on the two dimensional price and output planes) in the neoclassical ASAD model. 2. Explain why the aggregate demand (AD) curve is downward slopping (on the two dimensional price and output planes) in the Post-Keynesian ASAD model. 3-4. In the neoclassical ASAD model, let us suppose that the interest rate has no effect on investment. What does this imply for (1) the slope of the IS curve, for (2)...
1. Explain the purpose of the calibration curve, and why it is necessary to have a calibration curve for each different instrument used. 2. Explain why there may have been some variation in your calculated values of K. 3. Explain why you started with different concentrations of reactants and products and ended up with similar values of K. Was this expected? 4. Calculate the value of Q. for each of test tubes A, B, C, and D. How do these...
3) The IR spectrum of [(-C5H5)Fe(CO)2]2 shows two bands in two
different areas of the (CO) region - close to 1800 cm-1 and close
to 2000 cm-1 . Why is this so? (A general answer will suffice; it
is not necessary to assign all the bands in the IR spectrum of the
dimer).
44 2) On the following page you will find illustrations of the v(CO) region of the IR spectra of (n-C5H5)Fe(CO)21 and [(1-C5H5)Fe(CO) 2]2 obtained using cyclohexane solutions...
the
guiding questions. the max absorbance is 460.
Guiding questions complex turque . Compare the molar absorptivity coefficients you obtained with SCN and Fe" as limiting reagents. Would you expect them to be the same? Why or why not? (Week 1) • The accepted molar absorptivity coefficient for FeSCN is 7.0x10' M'cm''. Find the bias and relative bias of your values and suggest possible sources of errors. (Week 1) • Which molar absorptivity coefficient will you use to calculate the...
1. Explain two reasons why it is important to have a working knowledge of DFDs and flowcharting. 2. What does the Sarbanes-Oxley Act require that is relevant to documentation tools? 3. Describe a situation in which data flow should be shown with two data flow lines instead of one. 4. Describe the different levels of DFDs.
1. Indicate the type of bond you would expect between the following elements and explain at least two reasons why? a. BaCl2 b. SO C. PCL3 d. O e. SiF 2. Draw the dot structure of the molecules and determine its shape and bond angle. d. C2H2 e. H2SO4 c. H₂O a. Co2 b. NI:
1. Explain why the aggregate demand (AD) curve is downward slopping (on the two dimensional price and output planes) in the neoclassical ASAD model. 2. Explain why the aggregate demand (AD) curve is downward slopping (on the two dimensional price and output planes) in the Post-Keynesian ASAD model. 3-4. In the neoclassical ASAD model, let us suppose that the interest rate has no effect on investment. What does this imply for (1) the slope of the IS curve, for (2)...
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