If a student is starting with diethylmalonate then the base they would use to generate the enolate would be NaOMe NaOEt NaOH None of the above. The synthesis of dibenzalacetone is an example of Dieckmann condensation Aldol condensation Michael reaction None of the above. Starting with a 1,6 - diester and treating it with NaOEt would be an example of  Aldol Condensation Claisen Condensation

Q: Calculate the percent, by weight, of carbon in 154 g of C2H5OHC2H5OH (Molar mass of C2H5OHC2H5OH = 4...

A: Weight of C2H5OH=154g  Molar mass of C2H5OH=46.07g/mol  Atomic mass of carbon=12g/mol  

Q: Potassium permanganate, KMnO4, is produced commercially by oxidizing aqueous potassium manganate, K2...

A: Potassium manganate reacts with chlorine gas to form potassium permanganate. The equation for the ba...

Q: We prepare a solution with the following ion concentrations: [Ag] = 1.0x10+ M and [Cl] = 0.1 M. If k...

A: For the precipitation => Qsp > Ksp Given-> [Ag+] = 1.0 ×10-4 M ( i think there is 4 ) [Cl-]...

Q: A 10.00 mL sample of 1.20 M HNO2 (analyte) (pK, = 3.34 and K = 4.57x10) is titrated with 1.20 M NaOH...

A: 1.) First we would calculate moles and draw ICE table for reaction between acid and base.  Then we w...

Q: 3. Provide a clear arrow-pushing mechanism for each of the following reactions. Do not skip proton t...

A: Detail mechanistic pathway is given below

Q: 1) Below you are given the structures of the disaccharides lactose and trehalose. он он но он но но ...

A: Here we have to predict acetal and hemiacetal group present in the following  given disaccharides an...

Q: MISSED THIS? Watch KCV 16.3, IWE 16.1; Read Section 16.3. You can click on the Review link to access...

A: Concept:  Conjugate acid base: According to the Brønsted–Lowry definition of acids and bases, the co...

Q: Calculate the standard entropy change for the reaction at 25 °C. C;H,(g) + 50,(g) • 3 CO,(g) + 4 H,O...

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Q: n kilograms is

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Q: Identify the 1,2 and 1,4 products formed in the reaction shown. Br 1 mol HBr 2 Br Br Br 3 1 is the 1...

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Q: a. H,PO.(aq) + Fe(NO,)2(aq) → O H,PO,(aq) + Fe(NO,)2(aq) → HNO3(aq) + Fes (PO.)2() Rule 6: Most phos...

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Q: What is the hybridization of carbon 4?

A:

Q: 4. Calculate the change in pH that results from adding 25 mL of 0.010F HCI to 500ml buffer solution ...

A: Given,  Volume of the buffer in mL = 500 mL  [NH3] = 0.25 M  [NH4Cl] = 0.15 M  [HCl] = 0.010 F or 0....

Q: Calculate the thermal conductivity of Argon at 300 K and 15 Mbar. Gas is confined in a cubic vessel ...

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Q: When optically active (S)-2-methylcyclopentanone is treated with aqueous base, the compound loses it...

A: In the given step OH- takes proton to form enolate ion 

Q: Part A A 160.0 – mL solution contains 2.10 g of sodium benzoate and 2.46 g of benzoic acid. Calculat...

A: Given- Volume=160.0mL = 0.160 L (1L = 1000 ml) Weight of sodium benzoate =2.10 gram  Weight of benzo...

Q: Q 7) If the mass of barium sulfate is 0.372 g, find the number of the moles.

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Q: A 1.007 g sample of an unknown gas exerts a pressure of 715 mmHg in a 452 mL container at 23 ̊C. Wha...

A: Given :  Mass of gas = 1.007 g  Pressure = 715 mm Hg  Volume = 452 mL  Temperature = 23°C  To calcul...

Q: able. ease see Separation by Precipitation 2 for assistance. (a) Which of the metals would precipita...

A: a. at pH=6, it is tin Ksp= [Pb2+] [OH-]2 = 4*10^-3 * 10^-16 = 4*10-19 < 4 x 10-15(unsaturated sol...

Q: AP Question // Q 6) Write a balanced net ionic equation for the reaction between barium nitrate and ...

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Q: + COz cg) 3:) Use the following thermo chemical equation to solve the problems that fro llow. 7 CaO ...

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Q: 10. Three atoms, A-C, are indicated in the structure below. To which atom is a nucleophile more like...

A: Nucleophile = nucleus loving  Nucleophile attacks to that atom which has deficiency of electrons.

Q: 8. For the reaction Cu (s) = Cu(g) AH° = 81.730 –- 0.47T – 0.731x10-3T2 AS° = 34.94 – 1.08 log10T – ...

A: Gibbs free energy, tell us about spontaneity of the reaction.  

Q: Use the data below to calculate AG°rxn for the reaction: H, (g) +CO,(g) – H,0(g) +CO(g) Data: H, (g)...

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Q: Which of the following is an aldol condensation product derived from the self-condensation of 2-buta...

A: ->Ketone or aldehyde which has alpha carbon present can give Aldol condensation reaction . ->B...

Q: In your own words, differentiate between an endothermic and exothermic reaction in one complete sent...

A: In this question, we have to differentiate between an endothermic and exothermic reaction in one com...

Q: 5. Give the reagent(s), conditions etc. needed to selectively protect the substrates below to the de...

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Q: Product: Nail Cutter 1. Why did we use metal in making nail cutterl? Why not ceramics or polymer? ...

A: The solution is shown below 

Q: a) NBS ROOR b) NBS ROOR c) NBS ROOR

A: NBS produces bromine radical and the order of stability of radicals is allylic>tertiary>second...

Q: What is the pH of a 0.095 M C6H5CO2H M solution if the K, of C6 10-5? Your Answer: Answer

A: Given,  Concentration (C) = 0.0950 M Ka = 6.5 × 10-5 pKa = -log(6.5×10-5 )  = 4.19   

Q: Part A: A container of helium exerts a pressure of 1.2 atmospheres (atm) at a temperature of -73 Ce...

A: Given,  A container of helium exerts a pressure of 1.2 atmospheres (atm) at a temperature of -73 Cel...

Q: .  Calculate the normality of NaOH solution formed by dissolving 0.2 gm NaOH to make 250 ml solution

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Q: Identify the strongest acid O H2Te O H2S O H2Se O H2O O not enough information is available

A: The hydrides of group 16 are weakly acidic. The strength of the acidity of these hydrides can be com...

Q: (Q12) Hydrazoic acid (HN3) is a weak acid with a Ką of 2.5 x 10³. What will be the equilibrium pH of...

A: We need to calculate the pH of hydrazoic acid at equilibrium

Q: NOTE: Answer what is asked in the following questions correctly The anode, Pb(5), in left beaker is ...

A: Galvanic cell is defined as, being a spontaneous reaction, it's Gibbs energy decrease energy by cons...

Q: Be sure to answer all parts. Consider the following equilibrium at 447.9 K: NH,HS(s) S NH3(g) + H,S(...

A: In the given questions,  We first need to calculate Kp since partial pressure of gases is given.Then...

Q: What is the major organic product of the following reaction? xs NABH4 H. CH3OH OCH3 OH OH OH OH FOCH...

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Q: Provide reagents/conditions to accomplish the following syntheses. More than one step is required in...

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Q: What is the ph of a 0.214 M weak base solution? The Kb of the weak base is 0.000033.

A: Given :-  Concentration of weak base = 0.214 M  Kb = 0.000033  To calculate :-  pH of solution 

Q: Calculate the partial pressures of the components of the reaction I2(S)+Br2(g)↔2IBr(g) given the equ...

A: Given: equilibrium constant Keq = 0.25 Initial pressure = 0.25 atm temperature = 25 oC    

Q: A 10.0 L tank at 7.69 °C is filled with 10.8 g of sulfur tetrafluoride gas and 2.28 g of dinitrogen ...

A: We have to calculate the mole fraction, partial pressure and total pressure.

Q: A student ran the following reaction in the laboratory at 271 K: 2NO(g) + Br2(g) = 2NOBR(g) When she...

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Q: A buffer solution is 0.100 M in both HC¬H5O2 and LICH5O2 and has a pH of 4.19. Which of the followin...

A: Buffer solution is the solution which resist change in pH on addition of small amount of acid and ba...

Q: Part A Identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjug...

A: We need to identify the Bronsted Lowry acid, base and the conjugate acid and base for the given reac...

Q: Part B Enter an equation to show how HC204 can act as an acid with HS acting as a base. Express your...

A: Step by step solution are below

Q: theoretical yielc

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Q: 0.05 Μ of a weak acid solution (HA) ionizes 0.2 percent in water. Find its acid dissociation constan...

A: Concentration of weak acid, c = 0.05 M Percentage ionisation = 0.2% x = 0.002    

Q: Calculate AHm for the following chemical equation, If necessary, balance the chemical equations. Pb(...

A: Given unbalanced reaction is :  Pb (s) + PbO2 (s) + H2SO4 (l) --------> PbSO4 (s) + H2O (l)  Calc...

Q: involuíng thermo chemis try. specific capccity 4. 184 %, °c , how much ) 1f water has y of J heat is...

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Q: Identify the battery that is in most automobiles. NiCad battery lithium-ion battery fuel cell lead-a...

A: Automobiles are of various kinds and hence the kind of batteries used in automobiles will also be of...