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Explain when measuring pH during a titration. We have a buret containing NaOH (aq) of known concentration. Explain under the buret we have a beaker containing HCl (aq) of unknown concentration. Explain with a pH meter in the beaker that reads 1.30.In which direction do you wait for the pH to change as NaOH is added to the HCl solution?
A) The pH will increase
B) The pH will decrease.
C) The pH will stay the same.
Explain why, in the base-catalyzed halogenation of acetone, the second and third halogenations occur on the same carbon as the first, and not on the carbon or the other methyl group.
Tell which of the following compounds is likely to have a dipole moment, and show the direction of each.
How would I calculate the theoretical enthalpy of reaction between HCl + NaOH -> H2O + NaCl
Compared to benzene, would each of the following compounds be more or less reactive than benzene in an electrophilic aromatic substitution reaction
a 25.0 ml aliquot of 0.211 m citric acidsolution is titrated with 0.143 m sodiumhydroxide solution. if the balanced
For many years drinking water has been cooled in hot climates by evaporating it from the surfaces of canvas bags or porous clay pots. How many grams of water can be cooled from 40.°C to 19°C
What is the minimum (least negative) cathode potential (versus SHE) needed to electroplate silver onto cutlery in a solution of Ag+ and NH3 in which most of the silver ions are present as the complex Ag(NH3)2+, and the concentration of Ag+(aq) is ..
derive the clayperon equation. what is the primary use in phase diagrams? can you use it to justify the relative slopes
the given data of pyroxene analysis is given w. sio248.90 tio2.12 al2o33.86 fe2o34.65 cr2o30 feo25.35 mno.51 mgo6.87
A carboxylic acid can exist in two conformations E and Z that are different by the dihedral angle around the C-O bond. Recent theoretical calculations indicate that the Z conformer of formic acid
Draw a dilution scheme that would produce countable plates if the original culture has 4,730,000 viable cells/mL.
buffer solution that has [H2PO4-] =[HPO42-] = 0.132M What is the pH of the solution before adding the NaOH? After adding the NaOH?
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