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In the procedure of plating metal with silver, the silver ions are healthier from the wastewater from the plating bath by precipitating out silver chloride, AgCl. Kso for AgCl is 1.8*10-10. Presuming complete dissolution of NaCl how much NaCl (in g) must be added per liter of waste water to ensure that the soluble silver concentration is less than or equal to 1 µg/L? Presume low pH, so ignore any complexion of silver with OH-.
Neon atoms do not combine to form Ne2 molecules, yet neon atoms can be liquified through the following intermolecular forces- Answer dipole - dipole ion - dipole dipole - induced dipole dispersion nonmetal - nonmetal
A hydrogen-filled balloon was ignited and 1.50 gram of hydrogen reacted with 12.0 g of oxygen. How many grams of water vapor were formed?
The collision (frequency) factor remains the same, by how much an enzyme lower the activation energy of the reaction in order to achive 1 x 10 ^5 fold increase in the reaction rate
what is the main purpose of scratching beakers wall during the synthesis of the
If the volume of ocean water 5.4*10^20) contains 4.1 percent sodium chloride ("salt") by mass and the density of the water is 1.86 g/mL, calculate the total mass of sodium chloride.
If the sulfate anion (SO42-) is formed at a rate of 0.040 M/min, what is the rate of formation of I3-. What is the rate of consumption of S2O82-. What is the rate of consumption of I-
degrees C are warmed to 100 degrees C. what is the new volume if the pressure remains constant?
many acid-catalyzed reactions begin with the protonation of the reactant. draw the electron flow arrows in the
How many moles of carbon monoxide react with 1 mole of oxygen gas according to the balanced chemical equation?
How many kilojoules of heat are required to evaporate 1 liter of water at 1 atm if the initial water temperature is 20 degrees Celcius
From the values of ?H and ?S, predict which of the following reactions would be spontaneous at 25 degrees celsius. Reaction A: ?H = 10.5 kj/mol, ?S = 30.0 J/K*mol Reaction B: ?H = 1.8 kj/mol, ?S = -113 J/K*mol
What is the percent yield of elemental sulfur if 7.54 grams of sulfur are obtained from the reaction of 6.16 grams of SO2 with an excess of H2S. 2H2S + SO2---> 2H20 +3S
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