a If an acid, HA, dissolves in water such that the Ka is 10000, what is the pK, of that acid? pK, = %3D

Q: Calculate pKa values from the following Ka’s and vice versa: a. Nitromethane, Ka = 5.0 x 10^-11 b.…

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Q: Calculate the concentration of acid in each buffer solution. The pKa of acetic acid is 4.745. Sample…

A: Solution :        The concentration of a solution is defined as the mass of solute present in the…

Q: You wish to prepare an HC2H3O2 buffer with a pH of 4.24. If the pKa of is 4.74, what ratio of…

A: pH of a given solution is used to determine the concentration of H+ ions in the given solution so as…

Q: The Ka for an acid is 7.91 x 10-29. Calculate the pKa for this acid.

A: The pKa for the acid is to be calculated

Q: Enter a balanced equation for the dissociation of the following:  A). of KI B.) RbNO3 C.) NiCl2…

A: In general, the dissociation reaction of a compound is written as: AxBy→xAy- + yBx+   Based on this…

Q: The Ka for an acid is 4.45 x 10-10. Calculate the pKa for this acid.

A: Ka = 4.45 x 10-10

Q: The bisulfide anion (HS') has a pk, of 19.0. This means that a 0.10 M aqueous solution of HS is…

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Q: following reaction Using this Formula: AHrxn = EAHproducts -ZAHreactants AgCI (s) AGCN (s) C,Hg) CO,…

A: The heat change accompanying a reaction taking palce at 298K and one atmosphere pressure is called…

Q: जhenा Postassiपक्ल भल्लांवेर (PcN ) जलवलब्ठ जकक वतंदछ , व वेटववाय o 1scnLB4L> भas, सुdसमा पुकतांतर…

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Q: What is the pKb of the conjugate base of a weak acid that has a pKa equal to 5.29 at 25ºC?

A: To get the pKb of the base (B) you MUST subtract the pKa from 14. The reason for this is that the…

Q: Determine the Ksp of the following reactions PbCl2 Pb+2 + 2Cl-

A: The given chemical reaction is, PbCl2→Pb2+aq+2Cl-aq

Q: H D DH meso only 1| D, Pa Caco, Phco,, quinoline ROH 21 Na. NH, lkal, OH 1| NANH, NH, THE 21 D,.…

A: 1 . Lindlar catalyst - heterogeneous catalyst comprising of Pd deposited on Calcium carbonate or…

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: Which of the following will have the highest pKa? A. Co,?. B, HCO31 C. H2CO3 D. H2SO3 E. HCIO3

A: Acid is substance which release hydrogen ions. Weak acid has strong conjugate base and weak base has…

Q: What is the Ksp expression for PbCl2 in water? O Ksp = [Pb2*][CI ]? %3D Ksp [PÞCI2] O Ksp =…

A: The question is about writing the correct Ksp expression for Lead Chloride (PbCl2) in Water -

Q: 2Na(s)+F2(g) ----->2NaF(s) Why is it important to understand this equation? What do you think…

A: The balanced chemical equation correctly explains the quantity of chemical species that are involve…

Q: From memory, write the estimated pK, values for the protons shown. 2. н Он н н H2N ОН

A: pKa is introduced as an index to express the acidity of weak acids.  pKa value of acid is inversely…

Q: The pk, of phenol (C,H5OH) is 10.0. When a methyl (CH3) group is attached to the ring, the pK,…

A: (a)

Q: 2. What are the pKa's of HCN (hydrocyanic acid), and HF (hydrofluoric acid)? Based only on those pka…

A: We have to write the pka's of HCN (hydrocyanic acid), and HF (hydrofluoric acid). Based only on…

Q: Shown below are three amino acids: Which amino acid is the least hydrophobic? Which amino acid is…

A: Solution :        The hydrophobic nature of aliphatic amino acids increases with an increase in the…

Q: There are mis. be a ssing steps in merhanism which es need to specifny Me Nudoplilie subslitutiong…

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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: Which is the correct Ksp expression for PbCl2 (s) dissolving in Select one: O A. Kap = [PbCI*] [CI…

A: Ksp is the solubility product expression. For PbCl2 ?

Q: Consider the dissociation of calcium phosphate show below: Ca3(PO4)2 (s)   ⇋⇋   3 Ca+2 (aq)   +   2…

A: According to law of chemical equilibrium,the product of molar concentration of products each raised…

Q: Put the following compounds in order from weakest acid to strongest acid. Explain (pKa values are…

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Q: The pK1 for germanic acid, H,GEO3, is 9.0. Account for the increase in pK,1 of germanic acid…

A: It is considered likely that germanium is present in the thermal waters in the form of Germanic…

Q: For each reaction, use pKa values to predict whether the reactants are favored (ie. equilibrium lies…

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Q: On the axes below, sketch the graphs which show the result of adding: 0.1M NaOH to 25cm3 of 0.1M…

A: Interpretation-  To sketch the graph which shows the the result of adding -  0.1M NaOH to 25cm3 of…

Q: What is the Ka of an acid that has a pKa value equal to 3.93?

A: The pKa value as the negative logarithm of the Ka value: pKa = -log Ka. If we already know the pKa…

Q: For the following reaction: & e H 1. NaOCH₂CH3 OCH₂CH3 2. H3O+

A: The given reaction is a Crossed Aldol condensation reaction between cyclic ester and an aldehyde.

Q: Given the bond dissociation energies below (in kcal/mol), calculate the overall AH° for the followir…

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Q: Explain why the pKa of compound A is lower than the pKa's of bothcompounds B and C.

A: The pKa value is basically of method used to indicate the strength of an acid and also known as…

Q: A solution is made by dissolving 22.5 g of LiC;H;O2 in 500.0 mL of water. What is the value of Kb…

A: Mass of LiC3H5O2 = 22.5 g Volume ( in L ) = 0.500 L No. of moles (n) = 22.5 g × 1 mol / 80 g =…

Q: Given the bond dissociation energies below (in kcal/mol), calculate the overall AH° for the followin…

A: The reaction given is,

Q: In which solution will 0.000015 BaCl2 form a participate? a. 7.0x10^-7 M H2SO4 (ksp of BaSO4 =…

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Q: what is thre coekkicient of H20 when the followinj equaton is properly balarcd with the Smalle ut…

A: Given un balanced equation is  Al4C3 + H2O ------> Al(OH)3 + CH4 We need to balance this equation…

Q: Predict which of the four interactions is the weakest. H F - H F H Na H. F F FF

A: We have to predict the weakest interaction.

Q: UPAC or ce

A: We can find the IUPAC name of any organic compound following the rules.  If two adjacent carbonyl…

Q: The Ksp of Fe(OH):(s) is 3 × 10-39. What concentration of Fe3+ can exist in solution at pH 3.0?

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Q: x. The oxidation shown below. PCC = Ci-Cr-o: H-N But for the mechanism you can use chromic acid =…

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Q: The given reaction should be favorable based on the pka values shown: NH; CH;CO, CH;CO,H H,N…

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Q: Q16. Identify the two acid/conjugate base and base/conjugate acid pairs in the following acid/base…

A: A base is the one that abstracts the acidic proton from the substrate because it consists of a lone…

Q: Determine the name of the following structure: :0: :0:

A: We can see that this is an ester It has been made from benzoic acid and decanol

Q: _yellow before releasing your answer.) Δ' + In K = + In A - RT

A: The given expression can be constructed as -ln A + ln K = -ln 1/K + ln A - ∆ H° / RT And the formula…

Q: Match the following structures to the appropriate pKa value. А. F,CHCOOH B. CI3CCOOH C. CH3COOH D.…

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Q: In n a Saturated Pbel, CAa) Soln, the concentiation Of e- (AQ) is Ksp(PbCh)-li40 x lo 6 l.60x10…

A: Applying formula of Ksp  Ksp=4S3

Q: Based on the following pK, values, which do you think is more important in determining inductive…

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Q: 31(aq) + H,O2(aq) + 2H30*(aq)→5(aq)+ 4H0(1) Buffer O'H 10mL Rate TH Trial-1 0.03M 0.1M 0.2035M/s…

A: The rate equation for the given data can be represented as,                                   Rate =…

Q: S03 in the presence of C Eruct the corresponding tit

A: a) Titration is an analytical method that is used in quantitative analysis to determine the amount…

Q: (b)Given the K, and pK values of the following compounds: Hydrobromic acid (HBr), K= 1.0 x 10;…

A: Solution: We have general knowledge about pH , pKa.  From the pKa we can know about the acidic…