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A mining operation needs to separate silver and copper. You are hired as a summer intern in a beautiful Colorado mining town, and one of your tasks is to determine whether this separation can be accomplished by oxidizing the metals to Ag+ and Cu+, each one at a concentration of 0.15 M, and then precipitate one as the chloride salt without precipitate the other. AgCl precipitates first. What is the concentration of the Ag+ remaining in solution when CuCl begins to precipitate? For AgCl, pKsp = 9.74. and for CuCl, pKsp = 6.76.
What are the entropy change and Gibbs energy change on mixing to produce a benzene-toluene solution with 1/3 mole fraction benzene at 25C
pH = log[H3O+] , pH + pOH = 14, [H3O+] * [OH-] = 1.0 X 10^-14, pH = -log(0.001) = 3 Could you show me a few of the steps between line one and two in both of these conclusions?
how the hydrogen oxalate ion can be both a bronsted acid and a bronsted base
If the temperature in the laboratory is 22.3oC and the atmospheric pressure is 0.931 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?
The density of chloroform, a widely used organic solvent, is 1.4832 at 20 . How many milliliters would you use if you wanted 119.0 of chloroform.
has a rate constant k= 1.10 x10^-14 at 470 degrees C and an activation energy of 264 kJ/mol. What is the temperture of the reaction when the rate is constant is equal to 4.36 x 10^-3s^-1?
What is the rate constant of a first-order reaction that takes 375 for the reactant concentration to drop to half of its initial value?
Describe how soap works, include a drawing of a micelle in your description. Describe the difference between saturated and unsaturated fats. How can you as a consumer tell one from the other?
Portable heater transfers 255 W to 5.5 L water, where 1 W = 1J/s. How many minutes will it take for the heater to heat 5.5 L water from 25 degrees C to 42 degrees C? Assume water has density of 1.0 g/mL
How much bacterial tissue is produced in a treatment plant for every 1.0 multiplied by 104 kg of wastewater containing 3.0% NH4+ ions by mass?
Carryout the following conversions. Report your answer to the correct number of significant figures
2NOCl(g) = 2NO + Cl2 When 3.00 mol of NOCL is heated to a given temp. in a 2.00 L container, 1.70 fol NOCL remain at equilibrium. a.) Calculate the equilibrium concentration of each substance in the reaction
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