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5 Stars for showing work. A solution prepared by mixing 57.1 mL of 0.200 M AgNO3 and 57.1 mL of 0.200 M TlNO3 was titrated with 0.400 M NaBr. The solubility constant of TlBr is Ksp = 3.6 × 10^-6 and the solubility constant of AgBr is Ksp = 5.0 × 10^-13. Determine the range of NaBr volumes over which each solid precipitates.
What volume of 0.855 M KOH solution is required to make 3.55 L of a solution with pH of 12.4?
A brick consisting of pure metal measures 4.00 inches x 5.00 inches x 3.00 inches and weighs 7.020 kg. Using density, identify the metal in the brick.
A solution containing 6.3 X a0^-8 M benzene and 2.0 X 10^-7 M cyclohexane gave peal areas of 3950 and 4870, respectively, in a GC experiment.
5Ca+ V2O5 ----> 5CaO + 2V In one process, 1.54 x 10^3 g of V2O5 react with 2.07 x 10^3 g Ca. Calculate the theoretical yield of V. Calculate the percent yield if 795 g V are obtained
What is the total pressure on a 6.00 L flask which contains 0.127 mol of H2 gas and 0.288 mol of N2 gas at 20 degrees C. What is the molar fraction of H2 in the gas mixture
Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced?
Determine whether the oxidation of FeO(s) to Fe2O3(s) occurs spontaneously at 298K according to the reaction below by calculating delta s universal.
Solar furnaces are designed to focus sunlight (say, with a parabolic mirror ) onto a relatively small area. given that the surface temperature of the sun is about 600K.
Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
Nitrogen Oxide is a pollutant in the lower atmosphere that irritates the eyes and lungs and leads to the formation of acid rain. Nitrogen oxide forms naturally in the atmosphere according to the following endothermic reaction
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
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