Using the concentration of the Stock Standard (1 mmol/L), calculate the concentrations of each of the...
Using the concentration of the Stock Standard (1 mmol/L), calculate the concentrations of each of the working standards as follows: 2.0 µL, 3.0 µL, 5.0 µL, 10.0 µL, 15.0 µL, and 20.0 µL.
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Using the concentration of the Stock Standard (1 mmol/L),
calculate the concentrations of each of the...
Using the equation y=0.0165x in the figure below, where y= absorbance and x= concentration in mmol/L,...
Using the equation y=0.0165x in the figure below, where y=
absorbance and x= concentration in mmol/L, calculate the
concentraion of Cu2+ in a sample whose absorbance is 0.275. Show
your work, and include correct unit for concentration
0.350 0.300 0.250 y = 0.0165x R = 0.9983 unk 0 U 0.200 0.150 0.100 0.050 0.000 0.0 5.0 10.0 15.0 Cunk 20.0 25.0 Concentration of Cu2+ standards, mmol/L
Stock glucose (C6H12O6) solution with concentration 50.0 mmol/L. 0.30 mL of such stock solution and added...
Stock glucose (C6H12O6) solution with concentration 50.0 mmol/L. 0.30 mL of such stock solution and added water to each vial to complete 10.0 ml. Final glucose concentrations in mg/dL?
Using the data in the following table, calculate: A. Average return and standard deviation for each...
Using the data in the following table, calculate: A. Average return and standard deviation for each stock B. Covariance between the stocks C. Correlation between the stocks D. Compute average return and standard deviation of the portfolio that maintains a 50% weight in Stock A and 50% in stock B Year 2010 2011 2012 2013 2014 2015 Stock A -10.0% 20.0% 5.0% -5.0% 2.0% 9.0% Stock B 21.0% 7.0% 30.0% -3.0% -8.0% 25.0%
1. Using the data in the following table, calculate: A. Average return and standard deviation for...
1. Using the data in the following table, calculate: A. Average return and standard deviation for each stock (4 points) B. Covariance between the stocks (2 points) C. Correlation between the stocks (2 points) D. Compute average return and standard deviation of the portfolio that maintains a 50% weight in Stock A and 50% in stock B (2 points) Year 2010 2011 2012 2013 2014 2015 Stock A -10.0% 20.0% 5.0% -5.0% 2.0% 9.0% Stock B 21.0% 7.0% 30.0% -3.0%...
Please only calculate for Tube #1. Calculate the volumes of stock solution and diluent required to...
Please only calculate for Tube #1.
Calculate the volumes of stock solution and diluent required to produce the following working standards, given that the total volume of each working standards is 3.2mL and the stock solution has a concentration of 16mmol/L Tube number Volume of stock solution (mL) Volume of diluent (mL) Concentration of working standard (mmol/L) Total volume 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL
2. Calculate the final concentration of yeast and buffer in each of the four reaction tubes....
2. Calculate the final concentration of yeast and buffer in each of the four reaction tubes. Enter your results in Table 1 below. Table 1. Standard Fermentation Reactions 1 pt Reagents Reaction mix (ml) Tube #1 Tube #2 Tube #3 Tube #4 Water 7.0 6.0 4.0 5.0 0.2 M NaP buffer, pH 7 2.0 2.0 2.0 2.0 60% glucose 1.0 1.0 1.0 0 __% yeast 1.0 3.0 3.0 Total volume of each reaction 10.0 10.0 10.0 Final concentration of glucose...
For each equilibrium sample, calculate the initial concentrations (assuming no reaction occurred)...
For each equilibrium sample, calculate the initial
concentrations (assuming no reaction occurred) of SCN–
and Fe3+ based on the dilution factors used.
Enter the absorbance values for each sample.
For the standard solution, assume that, when equilibrium is
reached, the [FeSCN2+]eq is equal to
[SCN–]ini. Why is this a good
assumption?
For the equilibrium solutions, calculate the
[FeSCN2+]eq (Ceq) using Eq.
4.
Using Eq. 5 and 6, calculate
[Fe3+(aq)]eq and
[SCN–(aq)]eq for each equilibrium
solution.
Calculate values for the equilibrium...
Suppose that blood chloride concentration (mmol/L) has a normal distribution with mean 108 and standard deviation 2.
Suppose that blood chloride concentration (mmol/L) has a normal distribution with mean 108 and standard deviation 2. (a) What is the probability that chloride concentration equals 109? Is less than 109? Is at most 109? (Round your answers to four decimal places.) equals 109 0 less than 109 0.6915 at most 109 0.6915 (b) What is the probability that chloride concentration differs from the mean by more than 1 standard deviation? (Round your answer to four decimal places.) Does this probability depend...
6. An enzyme with a km of 0.06mmol/L hydrolyzed a substrate of a concentration 0.03 mmol/L....
6. An enzyme with a km of 0.06mmol/L hydrolyzed a substrate of a concentration 0.03 mmol/L. The initial velocity ws 0.0015 mmol/L.min!. Calculate the substrate concentration which gives an initial velocity of 0.003 mmol/L. min-1 7. Urease hydrolyzed urea at [s]=0.03mmol/L with a km of 0.06 mmol/L. The initial velocity observed was 1.5X10-3 mmol/L.min Calculate the initial velocity of the enzyme reaction when using [s]=0.12mmol/L
A standard curve was to be prepared from a stock of bromophenol blue. The stock concentration...
A standard curve was to be prepared from a stock of bromophenol blue. The stock concentration was 5 x 104 M. The standard concentrations required are listed in the table below, with the total volume of each to be 20 mL. 6. Table 1.2 Table for working out the volume of stock and water to be added for to make up the final concentrations required for Question 6 Vol. of stock concentration (mL) Vol. of water (mL) Final concentration (M)...
Using the equation y=0.0165x in the figure below, where y=
absorbance and x= concentration in mmol/L, calculate the
concentraion of Cu2+ in a sample whose absorbance is 0.275. Show
your work, and include correct unit for concentration
0.350 0.300 0.250 y = 0.0165x R = 0.9983 unk 0 U 0.200 0.150 0.100 0.050 0.000 0.0 5.0 10.0 15.0 Cunk 20.0 25.0 Concentration of Cu2+ standards, mmol/L
1. Using the data in the following table, calculate: A. Average return and standard deviation for each stock (4 points) B. Covariance between the stocks (2 points) C. Correlation between the stocks (2 points) D. Compute average return and standard deviation of the portfolio that maintains a 50% weight in Stock A and 50% in stock B (2 points) Year 2010 2011 2012 2013 2014 2015 Stock A -10.0% 20.0% 5.0% -5.0% 2.0% 9.0% Stock B 21.0% 7.0% 30.0% -3.0%...
Please only calculate for Tube #1.
Calculate the volumes of stock solution and diluent required to produce the following working standards, given that the total volume of each working standards is 3.2mL and the stock solution has a concentration of 16mmol/L Tube number Volume of stock solution (mL) Volume of diluent (mL) Concentration of working standard (mmol/L) Total volume 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL 3.2mL
2. Calculate the final concentration of yeast and buffer in each of the four reaction tubes. Enter your results in Table 1 below. Table 1. Standard Fermentation Reactions 1 pt Reagents Reaction mix (ml) Tube #1 Tube #2 Tube #3 Tube #4 Water 7.0 6.0 4.0 5.0 0.2 M NaP buffer, pH 7 2.0 2.0 2.0 2.0 60% glucose 1.0 1.0 1.0 0 __% yeast 1.0 3.0 3.0 Total volume of each reaction 10.0 10.0 10.0 Final concentration of glucose...
For each equilibrium sample, calculate the initial
concentrations (assuming no reaction occurred) of SCN–
and Fe3+ based on the dilution factors used.
Enter the absorbance values for each sample.
For the standard solution, assume that, when equilibrium is
reached, the [FeSCN2+]eq is equal to
[SCN–]ini. Why is this a good
assumption?
For the equilibrium solutions, calculate the
[FeSCN2+]eq (Ceq) using Eq.
4.
Using Eq. 5 and 6, calculate
[Fe3+(aq)]eq and
[SCN–(aq)]eq for each equilibrium
solution.
Calculate values for the equilibrium...
Suppose that blood chloride concentration (mmol/L) has a normal distribution with mean 108 and standard deviation 2. (a) What is the probability that chloride concentration equals 109? Is less than 109? Is at most 109? (Round your answers to four decimal places.) equals 109 0 less than 109 0.6915 at most 109 0.6915 (b) What is the probability that chloride concentration differs from the mean by more than 1 standard deviation? (Round your answer to four decimal places.) Does this probability depend...
6. An enzyme with a km of 0.06mmol/L hydrolyzed a substrate of a concentration 0.03 mmol/L. The initial velocity ws 0.0015 mmol/L.min!. Calculate the substrate concentration which gives an initial velocity of 0.003 mmol/L. min-1 7. Urease hydrolyzed urea at [s]=0.03mmol/L with a km of 0.06 mmol/L. The initial velocity observed was 1.5X10-3 mmol/L.min Calculate the initial velocity of the enzyme reaction when using [s]=0.12mmol/L
A standard curve was to be prepared from a stock of bromophenol blue. The stock concentration was 5 x 104 M. The standard concentrations required are listed in the table below, with the total volume of each to be 20 mL. 6. Table 1.2 Table for working out the volume of stock and water to be added for to make up the final concentrations required for Question 6 Vol. of stock concentration (mL) Vol. of water (mL) Final concentration (M)...
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