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This experiment is separated into parts one and two. Explain what are the [Fe3+] and [SCN-] before mixing in each part?Briefly define why the concentrations of the Fe3+ and SCN- are different in the two parts of the experiment.
molecular orbital theory compare these species with regard to A. their magnetic character B. net number of pie bonds C. bond orber, and D. bond length
a hurricane is simply a steam engine which draws much of its destructive power from the evaporation and condensation of
a sample of powder was found at a crime scene. it is believed that the powder is cocaine. the only four elements in the
For some enzyme reactions (for example, the hydrolysis of cAMP by phosphodiesterase in vertebrate retinal cones)the enzyme is present in large quantities,so that e0/s0 is not a small number.Fortunately,there is an alternate derivation of the Micha..
UV Spectrum of caffeine: Calculate the molar extinction coefficient (e) for caffeine. Show all your work. Note: Assume the diameter to be the cell holder to be 1 cm.
The characteristic odor of pineapple is because of ethyl butyrate a compound containing carbon, hydrogen, and oxygen. Combustion of 1.39mg of ethyl butyrate produces 1.29mg of H2O and 3.16mg of CO2. Explain what is the empirical formula of the com..
predict the ratio of the two masses of oxygen that combine with a fixed mass of lead to form PbO and PbO2? PbO:PbO2 oxygen mass ratio= ?/?
Estimate the Debye Temperature of gold form the following information. For gold, the atomic weight is 197, the density is 19000 kg/m^3 and the velocity of sound is 2100m/s.
A student performed thin layer chromatography as explained in this experiment but made the following mistakes or changes in the procedure. In each case, define how the change/mistake would affect the Rf value:
The mole fraction of water in the product gas is monitored and found to have the value calculated in part (a) for the first 10hours of operation, but then it begins to increase. What is the most likely cause of the increase? If the process continu..
If a 190 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.21.0 , what is the average thickness of the sheet in meters?
13.00 moles of gas are in a 5.00 L tank at 22.6 C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a = 2.300 L^2*atm/mol2 and b = 0.0430 L/mol.
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