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Sulfurous acid, H2SO3, is reduced by bromide ion to elemental sulfur. The reaction can be followed...
Identify the peaks that identify the functional groups in the IR spectrum Unknown 9 C4H604 TRANSMITGAN...
Identify the peaks that identify the functional groups
in the IR spectrum
Unknown 9 C4H604 TRANSMITGAN 1.001- 0 900- 0.800- 0.700- 0.600- 0.500- 0.400- 0 300- 0200- 0.100- 0.000-- - 4000 IR Unknown 2000 2500 3000 1500 1000 3500 Load IR spectrum Load proton NMR Show structure Spectra are displayed using Specview Website maintained by Mark Contact me at Jennifer muryka centre edu Unknown 21 C3H120 TRANSMIT GANCE 1.001- 0.900- 0 800- 0.700- 0.600- 0.500- 0.400 0.300- 0.200- 0.100- 0...
View the attachment and answer the following questions: A. The Beer's law relationship was established by...
View the attachment and answer the following questions:
A. The Beer's law relationship was established by measuring the
absorbance of:
A) Several solutions at one wavelength.
B) One solution at several wavelengths.
C) Several solutions over a range of wavelengths.
D) One solution at one wavelength.
B. The y-intercept in Graph B has:
A) 3 decimal places because the Spec 20 displayed 3 decimal
places for each reading.
B) 3 decimal places because there are 3 significant figures in
the...
. Shelf Life at 24 °C (5 p). Determine the t90 (shelf life) at 24 °C...
. Shelf Life at 24 °C (5 p). Determine the
t90 (shelf life) at 24 °C for your unknown.
Show all work. First, symbolically state the equation(s)
you are using defining all variables.
rate constant (k) = -0.0016 M^-1s^-1
[C]o=initial concentration: 0.9228
It is a zero order reaction
Abs vs Time 1.000 0.900 0.800 Abs 0.500 y = -0.0016x +0.9189 R = 0.9962 0.400 0.300 0.200 0.100 0.000 50 200 250 100 150 Time (hours)
I'm a might stuck on some calculations for my lab report on Spectrophotometric Determination of Protein....
I'm a might stuck on some calculations for my lab report on Spectrophotometric Determination of Protein. I'm looking to calculate the concentration of the first standard. Sample Vol. of Protein Std Solution Vol. of BCA reagent Volumeof DI water Total Vol. Vol of Unknown Blank 0 3.00 1.000 4.00 0 Standard 1 0.100 3.00 0.900 4.00 0 Standard 2 0.200 3.00 0.800 4.00 0 Standard 3 0.300 3.00 0.700 4.00 0 Standard 4 0.400 3.00 0.600 4.00 0 Standard 5...
1. Graphical Analysis (6 p). Using only the D2L EXCEL data for the UNKNOWN you are...
1. Graphical Analysis (6 p). Using only the D2L EXCEL data for the UNKNOWN you are assigned to perform a graphical analysis. Paste-in all the graphs for a complete analysis. Include the locax equation of the line and the R2 value for each. Unknown Number Lambda Max (nm) Molar Absorptivity (M^-1 cm^-1) Temperature (°C) 15 226 6.00E+04 24 y = -0.0016x + 0.9189 R? = 0.9962 Abs vs Time 1.000 0.900 0.800 0.700 0.600 0.500 0.400 0.300 0.200 0.100 0.000...
Expansion of the Universe Exercise Student Name: Step 1. 1. Using the data in Figures 1-4,...
Expansion of the Universe Exercise Student Name: Step 1. 1. Using the data in Figures 1-4, measure the peak in nanometers) of the Ho from the spectra for each of the four galaxies presented. Step 2. A. Record the wavelength of the highest peak of each galaxy in Table 1. B. Use Equation 1 to calculate the redshift value (z) for each one and record these values in Table 1 as well. c. For the wavelength of HO from a...
(a.) For each of the following reactions, identify the nucleophile and electrophile and draw the electron...
(a.) For each of the following reactions, identify the
nucleophile and electrophile and draw the electron motion arrows
required to generate the product given.
(b.) The spectrum above was measured on a sample with
molecular formula C4H7ClO2. In the box in the middle of the
spectrum, draw the structure of a conpound with this formula that
is consistent with the spectrum above (there are wuite a few
structures that woukd fit). Do not attempt to match the fingerprint
region.
(c.)...
Physics 195 - Straight-line kinematics E. Graph 2: Plot instantaneous velocity as a function of time....
Physics 195 - Straight-line kinematics E. Graph 2: Plot instantaneous velocity as a function of time. NOTE: LEAVE W OF THE LEFT SIDE OF THE GRAPH PAPER FREE IN ORDER TO FIND THE INTERCEPT ON THE TIME AXIS (see diagram below). Rewrite your instantaneous velocity values from column (4) in the table below next to their corresponding time values. Remember that you can treat your average velocity data in column (4) as an instantaneous velocity if you remember that the...
I am stuck on how to find concentration for standards and unknowns. Any kind of help would be appreciated. The correct...
I am stuck on how to find concentration for standards and
unknowns. Any kind of help would be appreciated.
The corrected absorbance is = Blank - absorbance
1. Prepare the BCA working reagent. Use a graduated cylinder and add 30 ml of the BCA reagent into a 50 ml Erlenmeyer flask. Use the appropriate micropipette to add 600 uL of the CuSO4 solution into the flask and mix by swirling the flask. Record the exact mass of albumin and the...
C370S19HW3 Name Please attach your plots to this sheet and turn in your work on Monday June 3 The enzyme urease...
C370S19HW3 Name Please attach your plots to this sheet and turn in your work on Monday June 3 The enzyme urease catalyzes the hydrolysis of urea. 1. (3) Write the reaction catalyzed by Urea below: 2. (2) Of the 7 classes of Enzymes, which type is urease? 3. The rate of this reaction was determined for a series of solutions in which the concentration of urea was changed while maintaining a fixed urease concentration of 3.0 HM. The following data...
Identify the peaks that identify the functional groups
in the IR spectrum
Unknown 9 C4H604 TRANSMITGAN 1.001- 0 900- 0.800- 0.700- 0.600- 0.500- 0.400- 0 300- 0200- 0.100- 0.000-- - 4000 IR Unknown 2000 2500 3000 1500 1000 3500 Load IR spectrum Load proton NMR Show structure Spectra are displayed using Specview Website maintained by Mark Contact me at Jennifer muryka centre edu Unknown 21 C3H120 TRANSMIT GANCE 1.001- 0.900- 0 800- 0.700- 0.600- 0.500- 0.400 0.300- 0.200- 0.100- 0...
View the attachment and answer the following questions:
A. The Beer's law relationship was established by measuring the
absorbance of:
A) Several solutions at one wavelength.
B) One solution at several wavelengths.
C) Several solutions over a range of wavelengths.
D) One solution at one wavelength.
B. The y-intercept in Graph B has:
A) 3 decimal places because the Spec 20 displayed 3 decimal
places for each reading.
B) 3 decimal places because there are 3 significant figures in
the...
. Shelf Life at 24 °C (5 p). Determine the
t90 (shelf life) at 24 °C for your unknown.
Show all work. First, symbolically state the equation(s)
you are using defining all variables.
rate constant (k) = -0.0016 M^-1s^-1
[C]o=initial concentration: 0.9228
It is a zero order reaction
Abs vs Time 1.000 0.900 0.800 Abs 0.500 y = -0.0016x +0.9189 R = 0.9962 0.400 0.300 0.200 0.100 0.000 50 200 250 100 150 Time (hours)
1. Graphical Analysis (6 p). Using only the D2L EXCEL data for the UNKNOWN you are assigned to perform a graphical analysis. Paste-in all the graphs for a complete analysis. Include the locax equation of the line and the R2 value for each. Unknown Number Lambda Max (nm) Molar Absorptivity (M^-1 cm^-1) Temperature (°C) 15 226 6.00E+04 24 y = -0.0016x + 0.9189 R? = 0.9962 Abs vs Time 1.000 0.900 0.800 0.700 0.600 0.500 0.400 0.300 0.200 0.100 0.000...
Expansion of the Universe Exercise Student Name: Step 1. 1. Using the data in Figures 1-4, measure the peak in nanometers) of the Ho from the spectra for each of the four galaxies presented. Step 2. A. Record the wavelength of the highest peak of each galaxy in Table 1. B. Use Equation 1 to calculate the redshift value (z) for each one and record these values in Table 1 as well. c. For the wavelength of HO from a...
(a.) For each of the following reactions, identify the
nucleophile and electrophile and draw the electron motion arrows
required to generate the product given.
(b.) The spectrum above was measured on a sample with
molecular formula C4H7ClO2. In the box in the middle of the
spectrum, draw the structure of a conpound with this formula that
is consistent with the spectrum above (there are wuite a few
structures that woukd fit). Do not attempt to match the fingerprint
region.
(c.)...
Physics 195 - Straight-line kinematics E. Graph 2: Plot instantaneous velocity as a function of time. NOTE: LEAVE W OF THE LEFT SIDE OF THE GRAPH PAPER FREE IN ORDER TO FIND THE INTERCEPT ON THE TIME AXIS (see diagram below). Rewrite your instantaneous velocity values from column (4) in the table below next to their corresponding time values. Remember that you can treat your average velocity data in column (4) as an instantaneous velocity if you remember that the...
I am stuck on how to find concentration for standards and
unknowns. Any kind of help would be appreciated.
The corrected absorbance is = Blank - absorbance
1. Prepare the BCA working reagent. Use a graduated cylinder and add 30 ml of the BCA reagent into a 50 ml Erlenmeyer flask. Use the appropriate micropipette to add 600 uL of the CuSO4 solution into the flask and mix by swirling the flask. Record the exact mass of albumin and the...
C370S19HW3 Name Please attach your plots to this sheet and turn in your work on Monday June 3 The enzyme urease catalyzes the hydrolysis of urea. 1. (3) Write the reaction catalyzed by Urea below: 2. (2) Of the 7 classes of Enzymes, which type is urease? 3. The rate of this reaction was determined for a series of solutions in which the concentration of urea was changed while maintaining a fixed urease concentration of 3.0 HM. The following data...
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