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How many nanogram of ferritin are in body of woman with 4.8 L of blood? The blood sample revealed that her ferritin levels are at 56 ng/mL (there are a thousand milliliters in a liter)
given a stock solution of a food dye having a concentration of 1.0 x 10-5 and an absorbance of 0.700. if a new solution
Given your knowledge of complex ion formation, what do you expect to happen to the solubility of ZnS(s) in a solution containing excess NH3?
An environmental engineer analyzes a sample of air contaminated with sulfur dioxide. To a 500m mL sample of air at 700 torr and 38 degrees celsius, she adds 20.00 mL of 0.01017 M aqueous iodine, which reacts as follows
Which of the following choices is insoluble? Imagine that and are cations and , , and are anions, and that the following reactions occur: Which of the following choices is insoluble? AX AY AZ BX BY BZ
An alpha particle (mass = 6.6 multiplied by 10-24 g) emitted by radium travels at 3.2 multiplied by 107 ± 0.1 multiplied by 107 mi/h. What is its de Broglie wavelength (in meters)
The d-d transition in [Ti(H2O)6]+3(aq) produces an absorption maximum at 500 nm. What is the magnitude of ? for this complex in kJ/mol? HINT: E = h ? and c = ?
The energy released during the combustion caused a 14.2 degree Celsius increase in the temperature of 200.0mL of water in the calorimeter. Compute the mass of peanut burned.
Assuming that the temperature remains constant, to what volume of helium will the balloon expand when it rises to an altitude where the pressure is only 50.0 kPa.
A solution is prepared by dissolving 13.4 g ammonium sulfate in enough water to make 133.0 mL of stock solution. A 11.90 mL sample of this stock solution is added to 52.50 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
Which of the following would you expect to be a molecule and which would you expect to be part of an ionic solid. Drag the appropriate compounds to their respective bins. CO, NO, LiCl, HBr, BaS, RbCl, SrO, LiBr
If the pressure exerted on a 375 ml sampe of Hydrogen gas at a constant temperature is decreased from 1.75 atm to 1.00 atm, what will the final volume of the sample be
A solution is prepared by diluting 0.0342 mol acetic acid with water to a volume of 8.39 L. What is the pH of the solution
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