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List all the covalent and non-covalent interactions that exist between amino acid residues in a polypeptide (besides the peptide bonds).
The reactions occur in acidic solution. (Use the lowest possible coefficients. Omit states-of-matter in your answer.) (a) MnO4- + H2SO3 ? Mn2+ + SO42-
The pH of 0.750 M sodium hypochlorite, NaClO, is 10.72. What is the pKb for this base?
one of the lines in the emission spectrum of sodim has a wavelength of 590 nm. what is the frequeuncy of this line?
In countries where potassium iodide is added to salt, iodine deficiency or goiter has been almost completely eliminated. The recommended daily allowance (RDA) for iodine is 150 pg/day.
What is the initial mole of Aniline? what is the initial mole oh HNO3 if 40mL of the acid was used in the titration
Calculate the amount of heat liberated (in kJ) from 437 g of mercury when it cools from 61.0°C to 12.0°C.
the effect of temperature on gases confined to small volumes. What is the pressure of 3.40mol of gas D measured at 251 C in a 1.75-L container assuming real behavior?
For the equilibrium H2(g)+ CO2(g) H2O(g)+CO(g) Kc=3.18 at 1106K. If each of the four species was initially present at a concentration of 3.000M.
This mixture has density of 1.391g/L and occupies a volume four times as that of pure hydrocarbon. Determine the molecular formula of the hydrocarbon.
Determine the mass percentage concentration of a sodium hydroxide solution produced by mixing 50.0 mL of a 25 % (density=2.45g/mL) sodium hydroxide solution with 10.0mL of H 2 O?
Use data from appendix iib in the textbook to calculate the equilibrium constants at 25 degrees Celsius for each of the following reactions:
A solution of glycerol in 701 g of water has a boiling point of 103.8 C at a pressure of 760 mm Hg. What is the mass of the glycerol in the solution?
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