why do common aldehydes have a pKa ~ 16 at the alpha carbon whereas ketones have a pKa ~ 20? What causes this difference in acidity?

Q: Determine the pH (a) before any base has been added, (b) at the half-equivalence point, and (c) at…

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Q: OD 50- HIT-NO-3828 SCORE= ( TRIPHENYLMETHANOL C19H160 D 4000 3474 28 3087 74 3063 80 3034 70 1958 84…

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A: For which of the following aqueous solutions will a decrease of pH increase the solubility?   A)…

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Q: An electrochemical cell is based on these two half - reactions   Ox : Pb(s) -> Pb ^ 2 (aq, 0.20…

A: Oxidation : Pb(s)  → Pb2+(aq, 0.20molL-1) + 2e-    ; E°anode= -0.13V --------(1) Reduction : MnO4-…

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A: Mass = 1.8 ng Time = 2 s Half life = 102 years

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Q: NaOH Standardization

A: A provide a detailed and step by step calculation for the data obtained in the above given table.

Q: The pH of an acidic solution is 4.71. What is [OH⁻]?

A: The relationship between pH and pOH of a solution is: pH + pOH = 14   ......(1)

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Q: for the reaction IO3- + 5I- + 6H+ -> 3I2 + 3H2O the rate of appearance of I2 at a particular time…

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Q: Fri Apr 7 Complete the balanced chemical reaction for the following weak base with a strong acid. In…

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A: Mole of ethane = 5.10   From reaction 2 mole of ethane are react with oxygen and produced 4 mole of…

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Q: 2. The following are the two possible Lewis structures for C2₂H₂F2. Will both of them have the same…

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Q: Calculate the equilibrium constant (K) for a reaction that has ΔG°= -11.3 kJ at 37°C? B)Explain what…

A: ∆G° = -11.3 kJ = -11300 J  Temperature = 37 °C = 310 K

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Q: Calculate the pH of a 0.0261 M trimethylamine hydrochloride solution. Kb ((CH3)3N) = 6.4 × 10−5.…

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Q: 5.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

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Q: CO H CH₂CH₂OHloubo H2SO4

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Q: CI H₂NPh, NaH NHPh NHPh

A: NaH is a base and will lead to an elimination reaction. Therefore the above substitution reaction…

Q: Use the dropdown menus to build the name for the following compound: [Select] [Select] [Select] >…

A: IUPAC name of the given structures