. 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
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. Shelf Life at 24 °C (5 p). Determine the
t90 (shelf life) at 24 °C...
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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...
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please help with number 3 and check if my reaction order and
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Identify the peaks that identify the functional groups in the IR spectrum Unknown 9 C4H604 TRANSMITGAN...
Identify the peaks that identify the functional groups
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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
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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...
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
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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...
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please help with number 3 and check if my reaction order and
rate constant are correct for number 2 as well
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 equation of the line and the value for each Y-0.0031x+0.7184 R^2=0.9604 Lambda max(nm): 262 Molar absorbtivity (M^-1 cm ^-1): 7.19E+04 Temp (celcius): 24 abs vs time (hrs)...
Sulfurous acid, H2SO3, is reduced by bromide ion to elemental sulfur. The reaction can be followed by the brown color of tribromide ion, Br3 : H2SO3(aq) + 6 Br (aq) + 4 H(aq) S(s) + 2 Brz (aq) + 3 H2O(1) 1.000 0.900 0.800 0.700 0.600 (W) l'os'ul 0.500 0.400 0.300 0.200 0.100 0.000 0 200 400 600 800 1000 1200 1400 a. time(s) Using the data from the graph above, estimate the instantaneous rate of formation of tribromide ion...
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...
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...
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...
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