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The concentration of cholesterol, glucose and urea in the blood as of a fasting individual are listed below in units of mg/100mL. Change these concentrations into units of mM.
a) cholesterol 200 mg/100mL
b) Glucose-75 mg/100mL
c) Urea-20mg/100mL
The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure gold in an irregularly shaped object (e.g., a crown) by placing it in water.
Copper is highly sensitive to oxidation by molecular oxygen. Higher oxidation states of Cu do not catalyze diazocoupling reactions. Define oxidation (loss of electrons) and define a redox half reaction for the oxidation of CuI by O2
A volume of 275 mL of a solution of potassium hydroxide at 0.14 M is added to a sample of 3.00 x 102 mL of a solution of aluminium chloride at 0.11 M.
determine the freezing-point depression of H2O if 77 g of sucrose (C12H22O11) are dissolved in 400 g of water
If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.
an aqueous solution contains 0.455 m dimethylamine ch32nh.how many ml of 0.385 m perchloric acid would have to be added
What would be the wavelength of a photon that would be able to break the Cl-Cl bond in Cl2. The bond energy in Cl2 is 243 kJ/mol.
A solution containing potassium bromide is mixed with one containing lead acetate to form a solution that is 0.013M in KBr and 0.0035 M in Pb (C2H3O2)2.
Calculate the concentration of dissolved oxygen at 20 degree Celsius if the amount of dissolved O2 is 9.07 mg/L
In one beaker: 10 mL of .005 M KMnO4 + 8 mL 1M NaOH + 15 mL .01M Na2SO3 In another bkr: 10 mL of .005 M KMnO4 + 15 mL .01 M Na2SO3 In another: 10 mL .005 M KMnO4 + 10 mL 1M H2SO4 + 25 mL .01 M Na2SO3 Write/balance 3 redox reactions (half-reactions..
For the diprotic weak acid H2A, Ka1 = 3.2 × 10-5 and Ka2 = 7.9 × 10-7. What is the pH of a 0.0400 M solution of H2A? What are the equilibrium concentrations of H2A and A2- in this solution
At 25C the acid dissociation constant for formic acid is 6.9x10-4. Calculate DG for this reaction. R=8.31x10-3 kj/K) Can you please help me work this problem.
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