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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-
Solutions of sodium thiosulfate are used to dissolve unexposed AgBr ( Ksp= 5.0E-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.00L of 0.500M Na2S2O3?
A smple of mixture of NaCl, Caco3 and SiO2 weighed 7.30 grams. During the water wash the sample lost 2.21 grams. After treatment with HCL, the sample weighed 2.05 grams.
A solution contains 9.87 (g) of dissolved silver. How many moles of potassium chloride must be added to the solution to completely precipitate all of the silver?
Balance the following redox equation . Once you have balanced the equation calculate how many grams of ammonia will be produced starting from 10 g of Zn
Will a racemix mixture of isoborneol be produced in the reduction of camphor to isoborneol?
A hydrogen molecule in it's ground vibrational state with KE=10eV collides with heavy atom metal surface and no energy is transferred to the surface, i.e., the surface can be modeled as an infinite potential wall.
A solution is prepared by adding 5.00 grams of an unkown compound to 217 g of cyclohexane (C6H12). This solution freezes at 4.5 degree C.
A solution is prepared by dissolving 5.32 grams of potassium nitrite (a food preservative, as Clark Griswold would explain) into about100 ml of DI water in a volumetric flask. Enough water is then added to give a total volume of 250.0 ml. What are..
c5h12, to Co2 and H20 is -3536.3 kJ/mol. What is the enthalpy of formation of pentane at 25 degrees celcuius?
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas. What is the most likely molecular
When the following epoxide was treated with aqueous acid or base respectively, a pair of isomers were produced. Complete the following reactions explain the formation of each product with a mechanism (include all intermediates formal charges and c..
Suppose that a student collects the following spectrophotometric data to determine the relative concentrations of HMR and MR in solution:
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