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What volumes of H2(g) and O2(g) at STP are produced from the electrolysis of water by a current of 3.00 A in 10.0 minutes?
How much heat is produced by the complete combustion of 256 CH4 of ? CH4+2O2=CO2+2H2O Hrxn=-802.3kJ
Write a series of equilibrium expressions, a mass balance and a charge balance representing the complete reaction of 0.01 M H4EDTA
How does one predict the regiochemistry of the products of aromatic reactions like nitration? What factors are responsible for the product ratios seen in such reactions?
Explain the reason why the six atoms that are involved in the peptide bond share a common geometric plane
What are the primary uses of the 3 products mentioned? 2.) What are the ACTIVE ingredients?
Two scientists are experimenting with pure samples of isotope X, a highly radioactive substance. The first scientist has a sample with a mass of 20 grams.
Equal volumes of the following pairs of solutions are mixed. Which pair will produce a buffer solution
What length of time (minutes) would be required to plate 12.25 g of nickel from a NiCl2(aq) solution?
he precipitate was filtered, dried and found to weigh 1.074 g. What is the percentage by mass of barium in the ore. Assume all of the barium is precipitated as BaSO4.
Into a 50.00mL volumetric flasks were pipetted 10.mL aliquots of a natural water sample. Exactly 0.00, 5.00, 10.00, 15.00 and 20.00mL of standard addition solution containing 11.1 pp of Fe were added to each, followed by an excess of thiocyanate i..
a) A solution of 1-iodohexane b) A solution of (S)-2-iodohexane c) A solution of 40% (S)-3-chlorohexane and 60% (R)-3-chlorohexane d) A solution of equal quantities of R and S 3-chlorohexane
HSO4^-(aq) + H2O(l) H3O^+ (aq) + SO4^2- (aq) Ka for aqueous dissociation of HSO4- is 1.2*10^-2 What is the pH of a sol containing equal concentrations of SO4^2- and HSO4^-
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