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You have have a buffer solution composed of 4.00 mol of acid and 1.75 mol of the conjugate base. If the pKa of the acid is 2.20, what is the pH of the buffer?
How to determine the percentage difference between the experimental and the predicted value for the rate
a normal mitochondrion in a normal cell (there are no inhibitors present). The amino acid glutamate can be converted into alpha ketoglutarate which then can enter the Citric Acid Cycle.
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps.
Based on this data, what can you predict about the average atomic mass of vitellium?
A student collected hydrogen in a eudiometer as described above. Barometric pressure is 765.5 Torr, the vapor pressure of water is 22.0 Torr at this temperature and the solution remaining in the eudiometer is 5.75 cm above the water in the beaker
Explain why cis dichloroethene has a boiling point of 60 degrees C while trans - dichloroethen has a boiling point of 48 degrees C.
the density of liquid octane, H8H18, is 0.7025g/ml. if 1.00ml of liquid octane is vaporized at 100 degrees 100'c and 725 torr, what volume does the vapor occupy?
the radiation level was determined to be .00935 microCi/mL. If 51Cr has t1/2=27.7 days, what is the volume of blood in the patient?
What is the final concentration of Na+ if 250 ml of 0.3 M Na Cl is added to 750 ml of 0.125 M Na2SO4?
Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water to make 500.0 mL of a pH = 9.80 solution.
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of Hydrogen gas are formed when 48.7g of sodium are added to water?
diamond crystallizes in a cubis cell with a+0.35670 nm and Z=8. Using 3.51 g/cm cubed as the density of diamond calculate te value of avagadro's number.
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