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water flowing through pipes of carbon steel must be kept at PH 5 or greater than limit corrosion if an 8.0 *10^3 Ib/hr water stream contains 10 ppm sulfuric acid and 0.015% acetic acid, how many pounds per hour of sodium acetate trihydrate must be added to maintain the PH? assume that the sulfuric acid completely ionizes to SO4^2-
Its titrated with NaOH. Being a triprotic and having 3 acid dissociation constants Ka1, Ka2, Ka3 one would expect to see three equivalence points. Why does it only show two equivalence points
We have a nuts, bolts, and indirect measurement lab coming up. We'll get a bag of nuts/bolts and I need 2-3 methods on estimating the mass of a bolt without opening the bag. Thanks.
A 32.0 iron rod, initially at 22.0C, is submerged into an unknown mass of water at 63.7C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4C.
Suppose a solution contains aqueous Hg2(NO3)2 . Write complete ionic equation to show the reaction of aqueous Hg2(NO3)2 with aqueous sodium chloride to form solid Hg2Cl2 and aqueous sodium nitrate. Express your answer as a chemical equation. Ident..
Silver metal has a density of 10.5 g/cm3. how many silver atoms are in a cube that measures 5.00cm on each side
The reactant concentration in a zero-order reaction was 9.00×10^-2 M after 100s and 2.50×10^-2 M after 390s . What is the rate constant for this reaction
A 1.25g sample of copper ore was dissolved in acid and diluted to 250.0 mL. A 20.00 mL portion was diluted to 50.00 mL. The copper concentration of this solution was 4.62 ppm. What is the weight percentage of copper in the ore
A voltaic cell consists of Ni/Ni2+ and Co/Co2+ half-cells containing equal volumes of solutions with the following initial concentrations: [Ni2+] = 0.80 M; [Co2+] = 0.20 M.
Compute the number average molecular weight for a polypropylene for which the degree of polymerization is 15,000.
Use the Henderson Hasselbalch Equation to calculate the pH after the addition of 0.10 M NaOH to this solution, assuming no change in volume?
What is the acceleration due to gravity at a point 5 cm from the center of a centrifuge rotor spinning
What is the number of moles of an ideal gas, if the volume is 67 mL, the pressure is 716 mmHg and the temperature is 34 0C?
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