PQ-14. Given the equilibrium constants for these reactions: (8) H+ (3)'H³Ɔ (3)'H Ke% D2.8×10-21 Ke =9.5×10 13 CH, (g)+ H,O(g) =CH,OH(g)+ H, (g) What is the value of K. for this reaction? 2CH,OH(g) + H,(g)=C,H,(g)+ 2H,0(g) (B) 2.9x10-9 (C) 3.4x10% (D) 1.2x1029 (A) 9.5x10-13

Q: the dissociation constant of formic acid, HCOOH, with concentration 0.1M and pH 2.38 is: a) 1.8 ×…

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Q: The value of Ka for phenol (a weak acid) , C6H5OH , is 1.00×10-10 . Write the equation for the…

A: Given:-           The week acid is reacts with water to produce the conjugate base and hydronium…

Q: The Ka of HCHO2 is 1.8 x 10-4.  Calculate the ΔGº (in kJ/mol) for the acid dissociation reaction at…

A: Answer:- This question is answered by using the simple concept of calculation of standard Gibbs free…

Q: If the acid dissociation constant, Ka, for an acid HA is 8 x 10-4 at 25°C, what percent of the acid…

A: Given; Acid Dissociation constant (Ka) = 8 x 10-4. Concentration (c) = 0.5 M.

Q: An acid has a Ka = 7.77 x 10-4. Is it stronger or weaker than an acid with Ka = 7.77 x 10-3 ? A.…

A: We have to compare the acid strength.

Q: 1. HF (aq) → H+ (aq) + F- (aq) K = 6.8 x 10-4 II. H₂C₂O4 (aq) = 2H+ (aq) + C₂0²- K = 3.8 x 10-6 What…

A: Equilibrium constant is ratio of concentration of products to concentration of reactants .

Q: what is the pH of the ethanoic acid solution (CH3COOH) 0.15 M with Ka = 1.8 × 10-⁵? a) What will be…

A: Given  For CH3COOH , Ka = 1.8 x 10-5  pKa = -log Ka = -log ( 1.8 x 10-5 ) = 5 - 0.255 = 4.745  Moles…

Q: A weak acid has KĄ = 4.31 x 10-4. What is the pKĄ of this acid? Report your answer to at least 1…

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Q: Q14- A 0.100 M solution of the weak acid HA has a pH of 2.36. Calculate pK, for HA. 2.36 C) 1.66 B)…

A: Given: The pH of the weak acid, Ha = 2.36 The concentration of HA = 0.100 M We have to calculate the…

Q: Write the expression for the K₂ for each of the following reactions H₂CO3 + H₂O H3O+¹ + HCO3-¹ [ ][…

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Q: 10-32. A solution containing acetic acid, oxalic acid, ammonia, and pyridine has a pH of 9.00. What…

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Q: Which value of delta G would result in K eq =1 Give a delta G that would result in K eq<1

A: The relationship between the ΔG and equilibrium constant is given by  =&gt; RTln(Keq ) = -ΔG where R…

Q: Find the value of Qc and determine which side of the reaction is favored. Given: K=0.5…

A: By calulation Qc using the expression of equilibrium and by comparing Qc and k direction of reaction…

Q: The value of Ka for phenol (a weak acid) , C6H5OH , is 1.00×10-10 . Write the equation for the…

A: Phenol is weak acid as the given in question so it will deprotonated by the release of H+ and we get…

Q: For the reaction below: which base(s) (I – V) will have an equilibrium constant greater than 1 Base…

A: Base = l, lll, V To achieve the equilibrium constant greater than 1 for the above reaction we will…

Q: Calculate the equilibrium constant (Ka) for this acid.

A: Given 0.10 M formic acid is put in water, 4.15% dissociates to form formate ion and hydronium ion.

Q: Lowest base strength benzoate ion Ka = 6.46 x 10-5 acetate ion CH3COO K 1.76-105 carbonate ion co,…

A: According to Bronsted lowry theory greater is the value of Ka of any acid more is acidity of that…

Q: What is the concentration (M, mole/L) of Al3+ in water with 6.0 × 10-4 M OH- if the water is in…

A: Al(OH)3⇒Al3++3OH-Ksp=[Al3+][OH-]3 Given [OH-]=6×10-4M We are water is in equilibrium with…

Q: Q4 How many grams of sodium hydroxide (M.wt-58.5) can be added to 25 liter of a solution mixture of…

A: •Solution of ammonia and ammonium chloride is a basic buffer solution.

Q: The following equilibrium constants have been determined for hydrosulfuric acid at 25oC ;…

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Q: Use a table of Ka or Kb values to determine whether K c for the following reaction is less than,…

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Q: 3. water occurs in three steps. The sour taste of lemons is attributed to citric acid. The…

A: Given: Citric acid dissociates in water as per the below three steps.

Q: When solid ammonium hydrogen sulfide, NH4SH, undergoes thermal decomposition, ammonia gas, and…

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Q: 10-18. (a) Calculate the quotient [H,PO4]/[H,PO] in 0.050 0 M KH,PO4. (b) Find the same quotient for…

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Q: Q2 : At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH…

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Q: What is the dissociation equation and equilibrium constant expression for the dissociation of the…

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Q: 6- HA is a weak acid which is 4.0% dissociated at 0.100M. Determine the Ka for this acid. a- 0.0040…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The range of the evidence is 6-8 if the value of its dissociation constant is о 1 x 10-9 1 x 10-7 1…

A: Range given, 6-8 What is the value of dissociation constant ?

Q: 5. The reaction that takes place when a strong acid is added to an acetic acid- acetate buffer…

A: (C) CH3COO-  +  H+  →  CH3COOH   H+ ions produced by strong acid will react with conjugate base to…

Q: 1. Benzoic acid is a weak carboxylic acid that undergoes proton transfer with water. When a 0.125 M…

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Q: What is the value of pKb for the cyanide anion, CN- at 25⁰C? Ka(HCN) = 6.2 ´ 10^-10?

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Q: The value of Ka for acetic acid, CH3COOH, is 1.80x10^-5 Write the equation for the reaction that…

A: The value of Ka for acetic acid, CH3COOH, is 1.80x10-5   Write the equation for the reaction that…

Q: Draw the products formed from the following acid-base pairs, using approximate pka values to predict…

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Q: What is the equilibrium constant expression for the following reaction? B(aq) + H2O(l) ⇌ HB+(aq) +…

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Q: Benzoic acid (C6H5CO2H) is a weak acid with a dissociation constant. Ka = 6.4 x 10-5 mol/dm3 at…

A: The acid dissociation constant (Ka) measures the amount of acid which remains undissociated for a…

Q: Using the Kb for NH3 (from Appendix G: Kb = 1.8 x 10-5), calculate the Ka for the NH4* ion. O 5.6 x…

A: Conjugate acid base pair :-  A pair of acid and base which differs by a proton is called conjugate…

Q: Will acetylene react with sodium hydride according to the following equation to form a salt and…

A: Given,  Reaction is : HC≡CH + Na+H- &lt;--------------&gt; HC≡C-Na+ + H2  pKa of HC≡CH = 25  pKa of…

Q: 3.2 Given the following information: HF (aq) H* (aq) + F (aq) Kc = 6,8 x 10–4 H2C2O4 (aq) → 2H* (aq)…

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Q: List the following substances in order of decreasing boiling point CO2, Ne, CH3OH, KF

A: The boiling point of a substance is defined as a temperature at which a substance gets converted…

Q: If you mix equal molar quantities of NH3 (Kb = 1.8 x 10-5) and CH3CO2H (Ka= 1.8 x 10-5), the…

A: Given that the solution contains equal molar concentrations of NH3 and CH3COOH. Also given Kb of NH3…

Q: Q1 :- What is the pK, of acetic acid, if K, for acetic acid is 1.58 x 10-6?

A: In multiple questions we solve only first question according to the Bartleby guidelines.

Q: Obtain the equilibrium constant for the reaction HCN (aq) ---- H+(aq) +CN- (aq) From the following:…

A:

Q: What is the equilibrium-constant expression of the basic dissociation of NaNO2? Kb = ([HNO2]…

A: Chemical equilibrium is defined as the stage at which both reactant and product are in equilibrium.

Q: The Keq for the reaction:  A + B ↔ AB is 2.03 What is the Keq for AB ↔ A + B Keq = ?

A: The equilibrium constant, Keq for the reaction:  A + B ⇌ AB is 2.03 The equilibrium constant, Keq…

Q: Q.1 -8 Kp for HCO3 = 2.38 × 10 Calculate Ka for the conjugate acid ( H¿CO;) For the reaction :…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Given the following information: O1 +H,0 HOI + OH" H20 = %H;0+ + ½OH¯ K = 5 x 104 K2 = 1 x 10-7 What…

A: If the reaction is reversed then its new K' will be,K' = 1/K If two reactions are added to get a new…

Q: Given that K(eq) = K(sp), calculate concentration of the aqueous cation formed at equilibrium when…

A: Given:  K(eq)=K(sp)=5.54 × 10-8 The reaction is as follows; TiI→Ti++I-

Q: What is Ka for the conjugate acid of HONH2 (Kb = 1.1 × 10-8)?

A: For a conjugated acid-base pair, the product of Ka and Kb is known as Kw. where K_\text{w}Kw​ is…

Q: The table below shows the structural formulas and corresponding K, values of four different…

A: Chlorine is an electron withdrawing group , it withdraws the electron towards itself .thus it…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.