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A hypothetical lake has a surface area of 23 acres and an avgage depth of 20 ft. Recently there was an accident where a truck spilled 9,000 gals of concentrated H2SO4 (18M) directly into the lake. Assume there are no inputs or outputs to the lake and all the water in the lake is well mixed.if the lake was pure water, with an initial pH of 7.2 what would the final pH be after the spill?H2SO4 - pKa1 = strong, pKa2 = 1.92
Use the appendices in your textbook to estimate the normal boiling point of water at 1 atm. Compare the temperature obtained with the known boiling point of water. Can you explain the discrepancy. At what temperature does water boil
Considerning the electrons in the shells, subshells, and orbitals of an atom, state how many electrons have: of electrons
Solve an equilibrium problem (using an ICE table) to calculate the pH of 0.16M CH3NH2 and the pH of 0.16M CH3NH3Cl
A rigid tank of volume 0.5 m^3 is connected to a piston cylinder assembly by a valve, as shown below. Both vessels contain pure water. They a re immersed in a constant-temperature bath at 200°C and 600 kPa
Hydrogen gas effuses at a rate 4.5 times that of an unknown gas under the same conditions. What is the molar mass (g/mol) of the unknown gas
Calculate the molarity of an NH3 solution made up of 37.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL
Use Hess' Law to show how the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
two identical positive charges exert a repulsive force of 6.4x 10^-9 when seperated 3.2x10^- 10 m. calculate the charge of each
you are charged to do a study on the amount of intimate partner violence on a midwestern college campus. there are
Suppose that a student performed the experiment and the calculations perfectly except for the following. Unknown the student, Cu (NO3)2•3H2O instead of CuSO4•5H2O was used to make up the known Cu 2 solution
Calculate the pH of a solution that results from mixing 19.5 mL of 0.145 M HCN(aq) with 22.1 mL of 0.108 M NaCN. The Ka value for HCN is 4.9 x 10-10.
Which one of the following substrates is found in both gluconeogenesis and the citric acid cycle? Answer A. isocitrate B. pyruvate C. phosphoenolpyruvate D. oxaloacetate
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