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What volume of 0.300 N NaOH would be required to bring 16.0 mL of distilled water that has a pH 7.00 to a new pH of 12.42?
dissolved in enough water to produce 162.5 mL of solution and that 18.8 mL of this solution is titrated to the stoichiometric point with 14.6 mL of 0.0307 M HCl(aq). What is the percentage purity of the original sample?
A solution is prepared by dissolving 55.1 g of KCl in approximately 75 mL of water and then adding water to a final volume of 125 mL. What is the molarity of KCl(aq) in this solution?
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 x 10^3. , 2 NO(g)-> N2(g) + O2(g) If the initial concentration of NO is 0.100 M, what are the equilibrium concentrations of NO, N2, and O2?
How many moles of oxygen gas are required to completely react with 6.20 moles of carbon according to the balanced reaction equation shown below?
How many moecules of N2 are needed to react with 30 molecules of H2?
Compare the proposed reaction mechanism for the sodiumhypochlorite oxidation of cyclohexanol with that involved in thechromic acid oxidation. Do you notice any similarities?
What is the the molar composition of the products when a stream of CH4 is combusted with 5% excess air if you have 1600 moles per hour of methane being fed into the reactor
(a)What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell?
Calculate the change in pH when 9.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
One can safely assume that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals interact. According to molecular orbital theory,
How much heat was transferred from the tank? b) What is the final temperature of the tank contents? c) How much steam condensed, in kg? for a i found the difference in enthalpies but i cant figure out b, c
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