HCECH + но HCEC + H,0 b) OH H + Но H + H,0

Q: Acid HNO3, 50°C O2N A B

A: Concept: it is a nitration reaction. pKa of HNO3 is -1.3, any acid lesser pKa than HNO3 will be used…

Q: pka - 4.15 pКa ~ 2.16 O. NH, C pКa ~ 9.58 The structure as drawn shows the molecule having all of…

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Q: What is the pKa of an acid?  As the pKa value increases, does the acid strength increase or…

A: The pKa value is  method used for indicate the strength of an acid. pKa is the negative log of the…

Q: The K, for acetic acid (CH,COOH) is 1.737 x 10-. What is the pK for this acid? pKa = Use the…

A: 1)          Ka(CH3COOH) = 1.737 x 10-5          pKa = -logKa = -log(1.737 x 10-5)          pKa =…

Q: 41 of 48 The Ksp expression is O [products] [reactants] O [reactants] [products] [cation][anion] 1…

A: Ksp is solubility product constant.

Q: Acetylene burns in air according to the following equation: ΔΗ. AH СН (g) + O23) — 2 СО,(g) На0(g)…

A: The standard free energy of formation refers to the energy change that occurs when a compound is…

Q: 25-45s5 is refer to a) 45 cao ,s network former ,5 ratio of P205 d) none of above c) 45sio2, s…

A: 45s5 is commonly referred to as Bioglass, Novamin and chemically referred to as calcium sodium…

Q: С. F3C HO, pka, = 3.9 %3! %3D

A:

Q: when nh4+ (pka=9.2) was used, the reaction did not proceed and no product was formed. given that the…

A: Aromatic compounds show nitration (NO2 addition) when treated with HNO3 and H2SO4 at a suitable…

Q: 2NaHCO3(s) = N22CO3(s) + H2O(g) + CO2(g) * Right Left No Change co2 is removed Na2CO3 is removed…

A: According to Le Chateliar's principle, adding a reactant shifts the equilibrium to the product side.…

Q: Calculate Ka values from the following pKa’s: (a) Acetone, pKa 5 19.3 (b) Formic acid, pKa 5 3.75

A: pKa = -log Ka Ka = 10-pKa   (a) Acetone, pKa = 19.3 Ka = 10-pKa Ka = 10-19.3 Ka = 5.01 x 10-20   (b)…

Q: 1. Acid A has a pKa value of 5.71, and acid B has a pKa value of 5.30. Which of the two acids is the…

A: Ka is called the acid ionization constant. Strong acid has high value of Ka and weaker acid has…

Q: A weak acid has a pKa of 6.44. If the pH of the solution is 7.22, what percentage of the acid is…

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Q: HCECH + HO HCEC + H,0

A: In general formation of weaker acids from stroger acids are favored. and formation of stronger acids…

Q: Find the suitable base for the following reaction: CH,C(-0)CH, + :B – CH,C(=O)CH: + H:B", The pka…

A: pKa is defined as the negative logarithm of Ka. That is, pKa=-log(Ka) And, Ka measures the strength…

Q: Of the two hydroxy organic compounds ROH and R’OH, the first one is basic and other is acidic in…

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Q: Why does methyl orange have a lower pKa value (pKa~3.5) than methyl red (pKa ~5.1)? Provide detailed…

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Q: The pH of a 0.02M solution of a weak acid was measure at 4.6 a. What is the [H+] in this solution?…

A: Given : pH = 4.6  Molar concentration of weak acid = 0.02 M

Q: Please provide the following for each reaction given below; a. The mechanism for the reaction b.…

A: Note :- Since you have posted a question with multiple sub-parts, we will solve first three sub-…

Q: 6. The pka of formic acid is 3.750. What is the Ka of formic acid?

A: The answer to Question No. 6 is given as -

Q: Active / Medical Chemistry – Dr. Marwa Nizar - Prepare 500ml of 0.01M solution of Na" from Na,CO3.…

A: Molarity (M) M=given massmolar mass×volume(L)

Q: + HS- SH + I a. -AG b. K<1 c. Reactants are favored d. Ituction progeas

A:

Q: What is the pH of a solution containing 0.876 mol L-1 of HCl and 1.069 mol L-1 of a weak acid with…

A: Strong acid dissociate completely so, the H+ concentration is more in the solution. And weak acid…

Q: xplain simply, by what process this transformation occur; Iodine-131 to Xenon-131

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Q: The K, for acetic acid (CH,COOH) is 1.737 × 10-5. What is the pK, for this acid? pKa = Use the…

A: We know that, pKa is the negative logarithm of Ka. i.e.                     pKa= -logKa We have, Ka…

Q: Solve the attached file

A: Benzene undergoes Nitration in the presence of nitric acid and sulphuric acid. NO2+ acts as an…

Q: Note these acronyms: THF = tetrahydrofuran; D = heavy H ( 21H one extra neutron) Ph = Phenyl = C6H5;…

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Q: Calculate the pH of a 0.20 M HA solution, given the pKa of HA is 2.22.

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Q: 3) Which of the following will have the lowest pka value? Briefly explain your choice.

A: The acidic strength of a compound is inversely related to its pKa value that is, higher the acidic…

Q: Why does methyl orange have a lower pKa value (pKa~3.5) than methyl red (pKa ~5.1)?

A: We are to discuss why pKa value of methyl orange is lower than that of methyl red.

Q: pKa values are different in different solvents. For example, the pKa of hydrofluoric acid (HF) in…

A: Acid dissociation constant, Ka is a measure of acid strength. Higher the Ka, higher will be the acid…

Q: IMG_9523.HEIC Open with Preview y.dorlocator=assig ot The following are unbalanced equations. They…

A: The fundamental types of chemical reactions are: 1. Combination reactions: In these reactions, two…

Q: Explain why pyrrole (pKa ~ 17) is a much stronger acid than ammonia (pKa = 36).

A: There are some definitions which can define acids and bases on the basis of their behaviors. Three…

Q: 3. Phosphoric acid is tribasic, with pKa's of 2.14, 6.86, and 12.4. The ionic form that predominates…

A: using the given pka to determine the ionic form that has maximum concentration.

Q: Calculate the Ka for the weak acid knowing the pKa value is 13.07

A: Acid dissociation constant, Ka represents how strong the acid is in a solution.

Q: Carbonic acid, H2CO3, undergoes the following acid base equilibria: H2CO3,=H*(aq) + HCO;¯(aq) =…

A: The relation between pKa and pH can be known as, ph = pKa + logsaltacid

Q: A pka - 4.15 pКa ~ 2.16 O. NH, C pka - 9.58 The structure as drawn shows the molecule having all of…

A: We have to calculate the net charge at the physiological pH .

Q: 4) Will the following reaction occur? Explain. (pKa of H20 is 14, pKa of C2H2 is 25, pKa of HCOOH is…

A: (a) No, this reaction will not occur. Reason: H2O is stronger acid than C2H2 so, C2H- ion is…

Q: An alpha carboxylic acid group (COOH) of protein amino acids has a pka = 2.4. The ratio of %3D…

A: -COOH,  -COO-  are acid and its conjugate base. The ratio of -COO-/ COOH can be determined by…

Q: „Br K EtO EC-Li+ L+M (inorganic byprodu Br

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Q: At 25°C, water dissolves 0.8108g of PbClh per liter, calculate the Ksp of PBC12 at 25°C.

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Q: 1. Given the following table of AH, a. Calculate AH for the reaction (14): 2 NaF + MgS - Na,S + MgF,…

A: Given reaction is -&gt; 2NaF + MgS -&gt; Na2S + MgF2

Q: Phosphorio aoid has pKa 1 2.15, pKa 2-6.82 and pka 3 12.38. At pH= 7.82, what approximate…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Calculate the pKa of an acid with Ka = 7.77 x 10-4. %3D O A. 2.230 О в. 3.110 O C. 4.147 D. 7.160 O…

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Q: Explain why pyrrole (pKa ~ 17) is a much stronger acid than ammonia (pKa = 36).

A: Pyrrole- It is heterocyclic aromatic compound. It bears nitrogen with lone pair of electron and…

Q: 4. Acid A has a pKa value of 5.71, and acid B has a pKa value of 5.30. Which of the two acids is the…

A: A strong acid is completely dissociated in an aqueous solution. On the other hand, a weak acid is…

Q: Why are the carboxylic acid groups of the amino acids more acidic (pKa - 2) than a carboxylic acid…

A: Given: The carboxylic acid groups of the amino acids = pKa = 2 The carboxylic acid groups of the…

Q: Acid A has a pKa value of 5.71, and acid B has a pKa value of 5.30. Which of the two acids is the…

A: Weak acid: Weak acid does not dissociate completely when dissolved in water. Strong acid:  Strong…

Q: Choose the correct answer to fill in the product blank ("???") below. 1on → 14156BA 9236Kr 3 on ???…

A: Interpretation: The blank space of the given reaction is to be completed. Given reaction: n01  +…

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