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A saturated solution of lead(II) chloride, PbCl2, was prepared by dissolving solid PbCl2 in water. The concentration of Pb2+ ion in the solution was found to be 1.62×10-2 M . Calculate Ksp for PbCl2.
an effective treatment for some cancerous tumors involves irradiation with fast neutrons. the neutrons from one
Problem- For the pyruvate dehydrogenase complex, what is the specific chemical function of the lipoic acid cofactor
An optically active D-aldopentose produced on optically inactive alditol upon treatment with NaBH4. When this aldopentose was subjected to a Ruff degradation, a D-aldotetrose was generated.
calculate the parts per thousand deviation in ml. for the three titrations. b) Would an additional titration be advisable? give a reason?
How many grams of CO are needed to react with an excess of Fe2O3 to produce 558 g Fe? The equation for the reaction is: Fe2O3(s) + 2 CO(g) → 3 CO2(g) + 2 Fe(s)
If 32 mL of 6.8 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid ?
Complete reaction of 4.00 grams Al at 25 celsius and 1.00 atm releases 124.1 kJ heat to the surroundings. What is the enthalpy change of the reaction at 25 celsius and 1.00 atm in kj/mol rxn.
A pentapeptide was found to contain the amino acids Phe, Gly, Met, Ala, and Ser. N-Terminal analysis yielded the PTH derivative of alanine. Partial hydrolysis of the pentapeptide yielded the dipeptides Gly-Ser, Ala-Gly, and Ser-Met. The peptide se..
a tank containing liquid butane and one containing liquid propaneare sitting adjacent to one another. each tank is
given the following reactionnbspuse stoichiometry to answer the following questionsnbsp4fe s 3 o2 g rarr 2 fe2o3 s
How can you use Newton's force laws to explain the way a rocket works? Be as specific as you can. How would you describe the way a rocket works using
Calculate the mean molecular weight (kg/kmol) of the fuel c) Evaluate the air-fuel ratio on a mass basis.
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