Question 2 Use estimated pKa values to determine the position of equilibrium for the foll reaction: 15 H₂N 1 OH +H3N 2

Q: The CO2 we breathe reacts with water in our blood to form the weak acid H2CO3. What mole ratio of…

A: Given:Ka of H2CO3 is 4.4 ✕ 10−8

Q: Oxalic acid, H2C2O4,is a poisonous substance used mainly as a bleaching agent. Calculatethe…

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A: The question is based on the concept of solubility principle. we need to identify the solubility…

Q: epwise synthesis for the following conversion. Begin with starting material provided. Provide…

A: (i)

Q: The value of Ka for hypochlorous acid (HClO) is 3.0 x 10-8 a. Write the chemical equation for the…

A: Here we are required to find the Gibbs free energy and standard Gibbs free energy for the…

Q: What is the pH of a 0.10 M solution of an acid with a pKA of 8.4?

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Q: 1. Why is it legitimate to neglect the term Kw/[H30*] when f is small? Number of moles base added f…

A: Given,  f=number of moles base addedno where, no = number of moles of acid

Q: 3. All of the following compounds are acids containing Cl. Which compound is the weakest acid? (а)…

A: Answer

Q: Write a chemical equation to describe the relationship between CO2, HCO3- and H+.  Use this equation…

A: The chemical equation to describe the relationship between carbon dioxide gas, bicarbonate ion and…

Q: Calculate the pH of a 0.35 M solution of hydrocyanic acid (HCN), which has a pKa of 9.31. Your…

A: Given, Concentration of HCN, [HCN]= 0.35 M pKa of HCN is 9.31 So, Ka = 10-pKa = 10-9.31 =4.90×10-10…

Q: explain the H2, Pd effect

A: Hydrogenation or reduction can be done using H2 in the presence of Pd. In this reaction, Pd provides…

Q: Consider two acids: C,H5CO,H (benzoic acid, pK = 4.2) and Cl,CHCO,H (dichloroacetic acid, pK = 1.3).…

A: Given pKa of benzoic acid = 4.2 pKa of dichloro acetic acid = 1.3

Q: Given that Ka for HClO is 4.0 x 10-8 at 25 °C, what is the value of Kb for ClO at 25 °C? Kb = Given…

A: The product of the acid dissociation constant of an acid and the base dissociation constant of a…

Q: Calculate the pH and the pOH of these solutions:   (c) 0.957 M HC2H3O2 (Ka = 1.8 x 10-5) pH =   pOH…

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Q: What formal concentration of sulfuric acid will produce a solution having a pH of 4.3?

A: It is given that the pH of sulfuric acid is 4.3. We have to find the formal concentration of…

Q: Is H2Cr2O2 an acid, base, or neutral? please justify your answer with an equation showing its…

A: The question is based on the concept of chemical substances  we need to identify the nature of the…

Q: Each of these three molecules contains an OH group. When dissolved in water one solution has a pH7.…

A:

Q: You have been contracted to determine how different salts affect the pH of water. Which of the…

A: Salts are basically formed when an acid reacts with a base. strong acid+strong base→salt+water To…

Q: The ionization constant Ka for nitrous acid is 4.6x10⁻⁴. What are the the pKa for nitrous acid and…

A: Given : Ka of HNO2 i.e nitrous acid = 4.6 X 10-4  And concentration of HNO2 = 0.1 M The ionisation…

Q: Reaction a. HCI (ag) + NaOH (aq) -> NaCl(aq) + h20 (I) B1. NazS2O3 (s) → 2Na* (aq) + S203²- (aq) B2.…

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Q: Calculate the pH of a 0.12 M solution of hydrocyanic acid (HCN), which has a pKa of 9.31.

A:

Q: Write the equilibrium reaction and the equilibrium expression for the dissociation of acetate ion in…

A:

Q: Determine the pH of each of the following solutions (Ka and Kb values can be found in the appendices…

A: (a) 0.045M hypochlorous acid  pKa  value = 7.53 Now, pH = (1/2)(pKa   - log[HOCl]                  =…

Q: compound CuBr BaCO₂ KC1 Does solubility change with pH? Oyes Ο Ο no yes no yes no pH = 5 highest…

A: Since we know that if any compound generates any strong acid or basic ion then pH depends upon…

Q: 3. For the following Lewis acid-base reaction, identify the acid, the base, and the new covalent…

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Q: Determine whether the statements are true or false. ( a. The stronger the base, the smaller the pKp.…

A: The pH scale range and the acid character of an acid or base can be known using Pka and PKb or just…

Q: What is the mass in grams of aluminum sulfide, Al2S3, if you have (3.6x10^21) S atoms? Express your…

A: Al2S3 is the chemical formula for aluminium sulphide. This colourless species has an intriguing…

Q: Une mole of a weak acid, HA, was dissolved in 1.8 L of solution. After the system had come to…

A: We have to calculate the dissociation constant of acid.

Q: What is the pH of a 0.02 M solution of acetic acid (pKa = 4.84)?

A:

Q: The Ka for HClO is 3.0 x 10-8. Calculate [H+] at equilibrium if the initial [HClO] = 0.075M.

A: Let the reaction at equilibrium is- The Dissociation Constant (Ka) is given by the expression as-…

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

A:

Q: long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or…

A: Bases in DNA: Adenine, Guanine, Cytosine and Thymine Bases in RNA: Adenine, Guanine, Cytosine and…

Q: Determine the predominant form of this molecule at a pH=7 1 ОН 2 н OH 3

A: The given molecule is a carboxylic acid that contains -COOH functional group. Here we have to find…

Q: The pKa of a particular weak acid is 4.85. What is the pH of the weak acid solution when exactly…

A:

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

A: BALANCING CHEMICAL EQUATION: A chemical equation in which equal number of atoms are present in both…

Q: 2A04 H2AO4 is a weak acid. What is [AO4J in a 0.30M (Ka1 = 6.2 x 10-7; K a2 = 5.2 x 10-10 O^21x 10-5…

A:

Q: 4. Alina wants to make some NO and O, so she puts 0.4 mols of NO, into a 3L flask. If the Keq for…

A: The balanced chemical reaction is as follows, 2NO2   <----------->  2NO+O2 The Keq of the…

Q: You are on one of Saturn's many moons and discover a substance, Y2O that undergoes autoionization…

A: Applying similar concept of kw and pH as like water because it also involves in auto ionisation like…

Q: Consider the Ka values for the following acids: Cyanic acid, HOCN, 3.5 x 10–4 Formic acid, HCHO2,…

A: Option e is correct.Explanation:Step 1:

Q: Consider the following acid base reaction: LOH pK₂=9.9 CH₂0 This not an equilibrium reaction. O The…

A: Answer: Acid is a compound that loses H+ ion in its solution while base is the compound that gains…

Q: Calculate the pH of a 0.1M solution of protonated methylamine (pKa =7)

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Q: Complete the figure below. Br NaCN DMSO B A NH₂ C 1. Br₂, NaOH 2. H₂O/H* TT. H₂SO4 D

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Q: 4. Why do you determine a mass by difference? "You use this because its typically accurate. more

A: We have find out the answer. Note ~ Since you have posted multiple questions, we will provide the…

Q: Phenoxide ion (C,H5O") is a weak base, with K, = 7.70 x 105. What is the pKa of the phenol, C,H5OH…

A: Solution :       Bronsted-Lowry distinguished acid and base on the basis of their proton donating or…

Q: Name: Ch. 2 Challenge Problem Set no anotong blos from owad 01 to Due Date: Sep. 22th @ 8:35am…

A: a) The most acidic proton is shown below. The proton that is most acidic which on deprotonation will…

Q: Fill in the left side of this equilibrium constant equation for the reaction of trimethylamine…

A: Answer: When a weak base is added into the water, it dissociated partially and an equilibrium is…