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An unknown amount of water is mixed with 350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 52.5 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. What volume of water was added to the 350 mL of NaOH solution? Assume volumes are additive. Answer in units of mL.
Ethers react with HI to form two cleavage products. One of the products might react further with HI. In the first box below draw the two major products that could be recovered after treatment with one equivalent of HI
Lewis Structure for a Nitrate Ion (NO3-1). How many possible resonance structures are there for the nitrate ion
copper-64 is used to study brain tumors. assume that the original mass of a sample of copper-64 is 26.00g. After 64 hours, all that remains is 0.8125g of copper-64. What is the half-life of this radioactive isotope?
What are the differences between sub-energy levels and orbitals? (My professor said they were different.)
The pressure of the gas is 365 torr, and the temperature is 45, ^{\circ}C. If the temperature changes to 60\, ^{\circ}C with no change in volume or amount of gas, what is the new pressure, P_2, of the gas inside the container
Diamonds are measured in carats, where 1 carat=0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 2.50-carat diamond
determine the minimum concentration of the percipitation the cation from the solution of the left. 0.035 M BaNO3; Naf.
If 1.0 mL of vinegar needs 22.5 mL of 0.195 M NaOH to reach the equivalence point in the titration, what is the molarity of the original vinegar solution?
Calculate the catalytic efficiency of lysozyme (in units of M-1 s-1), in terms of the rate of encounter of enzyme with substrate. How does this value compare to the diffusion-limited value of k1 = 109 M-1 s-1?
The container is then cooled to 22.5 degrees C. One now finds that the gas pressure inside the container is 0.871atm. What mass of mercury(II) oxide was originally placed into the container
what happens if cellulose is reacted with maleic anhydride C4H2O3? Again, how is the cellulose molecule/structure altered and what are the reaction by-products?
A compound composed of elements X and Y is 1/3X by mass. The atomic mass of element X is 1/4 the atomic mass of element Y. Find the empirical formula.
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