What should you measure as the e of this impure compound
If you are told that the purity of compound Z is 87% and the reported value for its molar extinction coefficient is 9200 M -1 cm -1 at 605 nm. What should you measure as the e of this impure compound Z?
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Two forces on the object are F1 = 3.2 at 80 below the +x-axis and F2 = 3.2 at 40 above the -x-axis. Is there a third force on the object? Why or why not? What is the magnitude of the third force? Find the direction of the force.
Find the kinematic viscosity of this fluid in units of ft^2/s. To convert from stokes to ft^2/s you will need to multiply by 0.001075).
What is the probability that a device taken at random operates? What is the expected value of the number of devices that will have to be inspected?
The weight of the block on a table is 474 N and that of the hanging block is 205 N. Ignore all frictional effects, and assuming the pulley to be massless. (a) Find the acceleration of the two blocks.
The Km of an enzyme of an enzyme-catalyzed reaction is 6.5 M. What substrate concentration will be required to obtain 55% of Vmax for this enzyme?
Calculate the melting point of ice under a pressure of 10 MPa. Assume that the density of ice under these conditions is approximately 0.915gcm-3 and that liquid water is 0.998 g cm-3.
Assuming that the isothermal coefficient of compressibility is constant, determine the percent decrease in the volume of liquid water that undergoes an isothermal increase in pressure of 100 x 10^3 psia.
How much work is done if the same tension is directed parallel to the snow?
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