H2SO4 + H2O -> HSO4- + H3O+
Determine whether the following system has pH < 7, pH > 7, or pH = 7. Also identiy whether the reactants or products will predominate and explain your choice.
H2SO4 + H2O -> HSO4- + H3O+ Determine whether the following system has pH < 7,...
Which of the following are conjugate acid-base pairs? (i) H3O+/H2O (ii) NH4+/NH3 (iii) H2SO4/HSO4- (iv) H2PO4-/HPO43- Select one: a. (i)(ii) (iii) b. They all are c. (ii) and (iv) d. (i) (iv)
Question 3 1 pts Consider the following chemical reaction H2SO4(aq) + H2011 - HSO4 (aq) + H30* (aq) which answer choice correctly labels acid, base, conjugate acid and conjugate base? H2O*(aq) Answer H2SOdlad) H200 HSO, lad) Choice acid base conjugate base base acid conjugate base acid base conjugate acid base acid conjugate acid conjugate acid conjugate acid conjugate base conjugate base Question 7 1 pts Calculate the pH of a solution that was prepared with 1.46 g of HCl to...
Use LeCha^telier′s principle to predict whether each the following changes causes the system to shift in the direction of products or reactants: HF(aq)+H2O(l)⇌F−(aq)+H3O+(aq) Part A adding some F−(aq) adding some a.in the direction of the reactants b.in the direction of the products Part B. removing some HF(aq) removing some in the direction of the products in the direction of the reactants SubmitRequest Answer Part C removing some H3O+(aq) removing some in the direction of the products in the direction of...
2. For the following reactions, determine the equilibrium constants and whether the reactants or products are favored: a) HCOOH(aq) + H2O(l) → HCOO− (aq) + H3O + (aq) (To determine K, use [HCOOH] = 0.10 M and [HCOO− ] = [H3O + ] = 0.0042 M) b) H2CO3(aq) + ClO− (aq) → HCO3 − (aq) + HClO(aq) (To determine K, use Ka(H2CO3) = 4.3 × 10-7 and Ka(HClO) = 3.5 × 10-8 ) 3. For each of the above reactions...
#3. - Determine the pH, [H3O+], pOH and [OH‾] for each of the following. Be sure to write balanced chemical equation and the set-up for solving the problem. a. 1.5 M HNO3 b. 0.25 M Sr(OH)2 c. 0.035 M HNO2 d. 0.0048 M Mn(OH)2 #1 - What are the [H3O+] and the pH of a solution that consists of 0.33 M C6H5COOH (benzoic acid) and 0.28 M C6H5COONa (sodium benzoate)? The Ka of benzoic acid is 6.3 x 10-5. #8-...
answer multiple choice questions 28-33
Spring 201 (2 pounts) What is the major product of the following reaction sequence? 28. 1. H3o 2. Jones Reagent (CrO3+ H2SO4) 5. NaH 6. CH3Br Ph Ph Ph OCH3 Ph OH OCH3 IV v. a) I b) II c) III points) Which of the following structures is the most stable (lowest energy)? d) IV e) V. 29. a) I b) II d) IV (2 pointa) Predict the major product of the following reaction. c)...
For each of the following strong base solutions, determine [OH−],[H3O+], pH, and pOH. A.) 8.61x10-3 M LiOH Express your answer to three decimal places. Enter your answers numerically separated by commas. [OH−],[H3O+] = 8.61x10-3,1.16x10-12 (this is what I got and it said it was correct) pH ,pOH = ? B.) 1.7×10−4 M KOH Express your answer using two significant figures. Enter your answers numerically separated by commas. [OH−],[H3O+] = ? pH, pOH = ? C.) 5.3×10−4 M Ca(OH)2 Express...
Solve by the elimination method. Also determine whether the system is consistent or inconsistent and whether the equations are dependent or independent. 2x-10y -8 3x-15y 12 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. There is only one solution. The solution of the system is OA. There is only one solution. The solution of the systom is OB. There are infinitely many solutions of the form O C. There...
Chem 305 Laboratory 8 Lab Report Name: Section: Due: 11:59 pm 7/29/20 Concept Questions: 1) Determine whether the following statements are True or False. A solution with a pH of S is a basic solution. b. HCl(aq) is an Arrhenius acid HCI, HNO, and H2SO4 are all strong acids. d. As the concentration of H* in water increases the concentration of OH' stays the same. c. Calculating pH, POH, OH] and [H3O+] 2) A solution of HC2H30, has a concentration...
Determine the pH for the following solutions: Part A [H3O+]=5.0×10−8M Express your answer using two decimal places. Part BSubmitRequest Answer [H3O+]=4.9×10−2M Express your answer using two decimal places. PArt C. [OH−]=3.2×10−4M Express your answer using two decimal places. Part D [OH−]=0.002M Express your answer using one decimal place.