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A 40.0 mL sample of 0.150 M Ba(OH)2 is titrated with 0.400 M HNO3. Calculate the pH after the addition of the following volumes of acid.
a) 0.0 mL
b) 10.4 mL
c)19.6 mL
d)30.0 mL
e)38.4 mL
1,000 kg of soya beans, of composition 18% oil, 35% protein, 10.5% moisture and 36.5% other contents of carbohydrate ,fiber and ash are
Neither serine nor leucine are eluted from the column because the pH of the elution buffer is too high. D. Leucine will elute first, followed by serine. E. Serine will elute first, followed by leucine.
Compare and contrast solid-phase DNA synthesis with enzyme-catalyzed DNA synthesis. Please separately describe the similarities and differences between the two.
What are the similarities between enzyme catalyzed DNA synthesis and solid phase DNA synthesis
What is the boiling point of a solution made using 773 g of sucrose, C12H22O11, in 0.275 kg of water,H2O?
Assume that the total solution volume remains constant and Ksp AgCl = 1.77 x 10-10 and Ksp AgBr = 5.4 x 10-13. Our teacher never gave us a problem that had two Ksp, kinda threw me off.
MgNH4PO4 6H2O loses H20 stepwise as it is heated. Between 40c and 60c the monohydrate is formed and above 100c the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and of the anhydrous material?
A 25.0 mL sample of a solution of the weak base aniline, C6H5NH2, requires 25.67 mL of 0.175 M HCl to reach the equivalence point. (Kb for aniline = 4.0 x 10-10)
You performed this fractional distillation using an air condenser as the "fractionating" column. Explain why the distillate may have been obtained in higher purity if you would have used a fractionating column packed with glass beads.
World energy supplies are often measured in the unit of quadrillion British thermal units (1012 Btu), generally called a "quad." In 2015, world energy consumption is projected to be 5.81 ×1017kJ.
A Cr^{3 + } aq solution is electrolyzed, using a current of 7.50 A}. What mass of Cr}( s) is plated out after 1.80 days? also What amperage is required to plate out 0.300 mol Cr from a Cr^{3 + } solution in a period of 7.20 h
Calculate the average mass of a sphere in this sample. How does the average mass for a sphere in this sample compare with the average mass of the sample that consisted just of the blue spheres? How can such different samples have their averages tu..
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