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Nalorphine (C19H21NO3), a relative morphine, is used to combat withdrawl symptoms in narcotics users.
How many grams of a 0.0036 molality aqueous solution of nalorphine are needed to obtain a dose of 2.51mg?
1.50 g of nh3 react with 2.75g of o2 which is the limiting reactant? How many grams of excess remain after the limiting reactant is completely consumed?
What concentration of CrO4-2 is needed to precipitate as much Ba+2 as possible without precipitating the Ca+2. (BaCrO4:Ksp=2.1x10^-10; CaCrO4:Ksp=7.1x10^-4)
calculate the volume of oxygen you would need at 1.00 atm and 298 k to completely oxidize 54 g of
How many grams of magnesium metal must be burned to release 500 kcal of heat according to the following reaction: 2 Mg (s) + O2 (g) ® 2 MgO (s) DH° = - 288 kcal
If the 3d and 4s bands overlap in a metal atom, what is the maximum number of electrons for this composite band
An unknown compound contains only C, H, and O. Combustion of 3.60 g of this compound produced 8.18 g of CO2 and 3.35 g of H2O.
A buffer solution contains acetic acid (HC2H3O2) at a concentration of 1.15 M and sodium acetate (NaC2H3O2) at a concentration of 2.05 * 10 to -2 M. The value of Ka for acetic acid is 1.75 * 10 to -5. Calculate the pH of this solution using the He..
one of the components of pineapple flavor is ethyl butyrate which has the empirical formula c3h6ox. its vapor took 162
Write a balanced net ionic equation for the reaction of KMnO4 with the saturated solution of CdC2O4 in diluted H2SO4. The major products are Mn2+ and CO1
what is the balanced net ionic equation for the reaction below in acidic solution? enter the coefficient for each
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755mm Hg and a temperature of 25 C
What are the mass and mole fraction of all components in the mixture? What is the average molecular weight of the mixture?
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