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Many drugs that arenatural Bronsted bases are put into aqueous solution as their much more soluble salts with strong acids. The powerful painkiller morphine, for example, is very slightly soluble in water, but morphine nitrate is quite soluble in water, but morphine nitrate is quite soluble. We may represent morphine by the symbol Mor and its conjugate acid is H-Mor^+. The pKb of morphine is 6.13. What is the calculated pH of a 0.20 M solution of H-Mor^(+)?
The decay constant for strontium-90 = 0.0247y-1. if 10.0 g decay for exactly 60 years then determine how many grams of strontium-90 remain.
Why is gravity filtration and not suction filtration used to remove suspended impurities
Calculate K for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give dinitrogen tetroxide gas
determine the minimum concentration of the percipitation the cation from the solution of the left. 0.035 M BaNO3; Naf.
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
Draw the structure of the peptide WRCFQ. Show the ionization state that would be the major form at pH 7. (Note: this question addresses your knowledge of the one or three letter codes for amino acids,
to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.156 M in sodium chloride and 0.094 M in magnesium sulfate?
propane is burned in excess oxygen, 886 kj of heat is evolved. What is the delta Hrxn of this reaction?
For IF5 draw an appropriate Lewis structure.
what is the ph of a solution prepared by mixing 50.0ml of 0.125M KOH and 50.0 ml of 0.125M HCl
An aqueous solution of sodium hydroxide is labeled .010 M NaOH. What are the molar concentrations of NaOH, Na+ and OH- in the aqueous solution?
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