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Predict the products in the following reactions.
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- 8. Our bodies are able to preserve a near constant pH due to the presence of hydrogen carbonate anion (HCO,). K values for the diprotic acid carbonic acid (H,CO;) are Kaj = 4.5 x 10?, K2 = 4.7 x 10-". a) Hydrogen carbonate anion is an amphoteric species. Define amphoteric. b) In the space below, write out chemical equations to describe the behavior of this species as both a Bronsted acid and a Bronsted base, and use the equilibrium constants given above to decipher whether a solution of HCO;¯ will be acidic, basic, or neutral. Support your answer with pertinent calculations.PLS IF YOU CAN, TYPE THE ANSWER AND DO NOT WRITE IT DOWN, THANKS IN ADVANCE. A. Propanoic acid,CH3CH2COOH, Reacts with water according to the given reaction: ??3??2???? + ?2? ⇄ ??3??2???− + ?3?+?? = 1.34 × 10−5 A.1. Write the phrase to establish equilibrium. A.2. Calculate the pH of the propanoic acid solution at a concentration of 0.265M.Show calculations B. Add 0.496 g of sodium propanoate,CH3CH2COONa , To 50 ml of solutionPropenoic acid at a concentration of 0.265M. Assuming the volume of the solution does not change, Calculate the pH of the resulting solution. Show calculations. C. the Methanate ion HCOO- Reacts with water to a basic pH. C.1. Write the reaction. C.2. Calculate the Ka of the methanic acid, HCOOH, If in solution in concentration of 0.309M Of sodium methane solution, HCOONa, Are found 4.18*10-6 M OH- ions. C.3. Who is the stronger acid, propane or methane? EXPLAIN.9. We prepared a solution containing 1.0 mol.L' HF and 1.0 mol.L·' C,H3OH. The K, of hydrofluoric acid and phenol are 7.2 x 104 and 1.6 x 10-10 respectively. What is the pH of this solution? (Hint: find which acid is strongest and make the appropriate assumptions) b. What is the concentration of C,H;O¯ at equilibrium? а.
- You are given the following information. acid Ка HF 7.2X10-4 HC2H302 1.8×10-5 HCIO 3.5X10-8 HCN 4.0X10-10 Determine the equilibrium constant for each of the following reactions and indicate which arrow would be more appropriate. (Hint: Reactions that produce less than 0.1% of products and reactions that retain less than 0.1% of reactants are not considered to be "equilibrium reactions"). (a) HC2H302 + F C2H302 K = 0 0.025 + HF (b) HCN + CIO - CN + HCIO K = 40 0.010 (c) HCIO + F - CIO + HF K = 40 87.5 lo+ (d) HF + CN + HCN K = 00 1.14e-2Methanoic acid is also called formic acid. It has the chemical formula HCOOH(l). It is a colourless fuming liquid that is mainly used as a preservative. It exhibits the following equilibrium in water:HCOOH(aq) + H2O(l) → HCOO–(aq) + H3O+(aq) 3) A 35.0 mL sample of (monoprotic) lactic acid, C3H6O3, is titrated with 20.0 mL of a 4.0 x 10-4 mol/L sodium hydroxide solution. What is the pH of the resulting solution at the equivalence point, if Ka for lactic acid is 1.4 x 10-4? PLEASE HELP THIS IS VERY URGENTA 2.00 L solution contains 0.411 M NH3 and 0.660 M NH,A. (The Kb of NH3 is 1.86 10 ). What is the pH of this solution? What is the pH of this solution after 0.214 mol of HCl are added to the solution? What is the pH of this solution after 0.428 mol of HCl are added to the solution? Add Work
- The pOH of an aqueous solution of 0.590 M phenol (a weak acid), C6H5OH, is _____Here is ph of the molarity of butyl chloride (C,H,CI) in a reaction vessel during a certain chemical reaction. Use this graph to answer the questions in the table below. у 0.030- 0.0247 olo 0.020- Ar M 0.015- 0.010- 0.005- 500 1000 1500 2000 2500 3000 seconds created x10 Is C,H,Cl being created or destroyed by the chemical destroyed reaction? neither created nor destroyed If C,H,Cl is being created or destroyed, what is the rate at which it is being created or destroyed 1200 seconds after the reaction starts? Explanation Check © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | AccessibilityWhat will happen if the pH of the following equilibrium system is increased? H*(aq) + 2CrO4²a yellow The solution will turn yellow. b. The solution will turn a darker orange. There will be no effect on the equilibrium system. 2- aq) O Cr20,² (aq) + OH (аq) orange а. с. d. The concentration of OH will decrease. (aq) All hydroxide ion will be used up. е.
- Consider the buffer system of hydrofluoric acid, HF, and its salt, NaF: HF(aq)+H2O(l) ⇌ H3O+(aq) +F-(aq) a.) Which substance neutralizes the addition of OH-? b.) When H3O+ is added, what happens to the equilibrium? Which way does it shift?A 1.00 liter solution contains 0.28 M ammonia and 0.36 M ammonium chloride. If 0.180 moles of potassium hydroxide are added to this system, indicate whether the following statements are true or false. (Assume that the volume does not change upon the addition of potassium hydroxide.) A. The number of moles of NH3 will remain the same. B. The number of moles of NH4* will decrease. C. The equilibrium concentration of H₂O* will remain the same. D. The pH will increase. E. The ratio of (NH3)/ [NH4*] will increase. Submit Answer Retry Entire Group 5 more group attempts remainingPredict the direction in which the equilibrium will lie for the reaction: HCN + F– ßà CN– + HF. Ka(HCN) = 6.2 × 10–10; Ka(HF) = 7.1 × 10–4a. to the right b. to the left c. in the middle