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The ksp for Al(OH)3 is 1.9*10^-33. what is the pH of a sauturated solution of Al(OH)3. ignore any hydrolysis
at a particular temperature n2o5 decomposes according to a first-order rate law with a half-life of 3.0 s. if the
a 25.0 ml bubble is realeased from a divers air tank at a pressure of 4.00 atm and a temperature of 11 c. what is the
A sample of H2O with a mass of 46.0 grams has a temperature of -58.0C. How many joules of energy are necessary to melt 46.0 grams of ice.
An unknown metal M reacts with sulfur to form a compound with the formula MS. If 4.37 g of M reacts with 2.51 g of S, what are the names of M and MS?
If 147 g of CaO and 267 g of NH4Cl are mixed, what is the maximum possible yield of NH3?
Consider the electron configuration of Al: (1s)^2(2s)^2(2p)^6(3s)^2(3p). Write down all possible terms describing this configuration. Which term describes the ground state of Al according to Hund's rules
If a solution containing 60.998 g of mercury(II) perchlorate is allowed to react completely with a solution containing 10.872 g of sodium sulfide, how many grams of solid precipitate will be formed?
if each reactant molecule in the above image represents 0.0157 mol and the reaction yields is 89%, how many grams of Si-containing product form?
The absorbance of the unknown solution A=0.4862 +_ 0.0184 abs. units. Determine the un certainty in the concentration of the unknown.
What law states that mass and energy can be changed from one form to another but their sum remains constant?
The coinage metals -- copper, silver, and gold -- crystallize in a cubic closest packed structure. Use the density of copper (8.95 g/cm3) and its molar mass (63.55 g/mol) to calculate an approximate atomic radius for copper.
How many orbitals in an atom can have each of the following designations? (a) 3d (b) 4f (c) 3p (d) n = 3
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