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- . In each of the following chemical equations, identify the conjugate acid-base pairs. a. NH3(aq)+H2O(l)NH4+(aq)+OH(aq) b. PO43(aq)+H2O(1)HPO42(aq)+OH(aq) c. C2H3O2(aq)+H2O(l)HC2H3O2(aq)+OH(aq)Consider the following chemical equilibrium for the weak base CN in water: CN- (aq) + H₂O(1) = HCN (aq) + OH(aq). Which of the following statements is correct when more water is evaporated from system? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b C d pH will go up; [OH-] will go up; net amount of OH will go up pH will go down; [OH-]will go up; net amount of OH will go down pH will go down; [OH-]will go down; net amount of OH will go down pH will go up; [OH-] will go up; net amount of OH will go downComplete the table below. Round each of your entries to 2 significant digits. You may assume the temperature is 25 °C. conjugate acid formula conjugate base Ка formula Ко ✗ HSO 0.012 ☐ ☐ -4 CH3NH2 4.4 × 10 ☐ CHN 1.7 x 10 -9 ☐ x10
- For each chemical reaction in the table below, decide whether the highlighted reactant is a Brønsted-Lowry acid, a Brønsted- Lowry base, or neither. highlighted reactant reaction Bronsted-Lowry acid Bronsted-Lowry base neither HCIO3(aq) + OH (aq) → C1O3 (aq) + H,O(1) CIO3 (aq) + H2O(1) → HCIO3(aq) + OH (aq) HCIO3(aq) + OH (aq) → CIo, (aq) + H,O(1) CIO3 (aq) + H,O(1) → HCIO3(aq) + OH (aq) Explanation Check © 2020 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy Ac MacBookComplete the table below. Be sure each of your answer entries has the correct number of significant digits. You may assume the temperature is 25 °C. conjugate acid conjugate base x10 Ка formula formula ? CH,NH, 4.4 х 10 8 HONH, 1.1 х 10 NH3 1.8 х 10a) For the following chemical reaction, identify the acid, the base, and the conjugate acid and conjugate base. H20(1) + CH3COOH(aq) 2 CH3COO (aq) H3O*(aq) Brønsted-Lowry acid reactant = Select an answer e Brønsted-Lowry base reactant = Select an answer e CH;COO (ag) is the conjugate Select an answer e of sSelect an answer e H30*(aq) is the conjugate Select an answer e of Select an answer e. b) The equilibrium reaction above lies to the left. What does this mean in terms of the concentration of acetic acid (CH3COOH) relative to the concentration of acetate (CHĄCOO)? CH3COOH(aq) Select an answer CH3COO (aq) c) If HCl was added to the system above (adding H20+), how would the concentration of acetic acid (CH3COOH) change? Acetic acid (CH,COOH) would Select an answer e.
- Complete the table below. Round each of your entries to 2 significant digits. You may assume the temperature is 25 °C. formula x HSO conjugate acid 0 Ba 0.012 0 conjugate base formula CIO 0 CHONH Kh 3.3 X 10 0 2.1 × 10 6 00 X 5 x10Identify the Bronsted-Lowry acid (A), base (B), the conjugate acid (CA), and conjugate base (CB) in the following reaction. Just give the letter abbreviations. Do not use the full words. CH3O2H(aq) + NH3(aq) ⇒ CH3O₂ (aq) + NH(aq) CH302H= type your answer... CH302- = type your answer... NH3= NH4+ = type your answer... type your answer...Write the equation that shows how ammonia acts as a Brønsted-Lowry base in water. Express your answer as a chemical equation.
- Complete the table below. Be sure each of your answer entries has the correct number of significant digits. You may assSume the temperature is 25 °C. conjugate acid conjugate base formula K, formula HCH CO, 1.8 x 10 н во, -10 5.8 x 10 NH, 1.8 x 10For each chemical reaction in the table below, decide whether the highlighted reactant is a Brønsted-Lowry acid, a Brønsted-Lowry base, or neither. highlighted reactant reaction Bronsted-Lowry Bronsted-Lowry neither acid base HNO3(aq) + OH (aq) → NO3(a0) + H,0(1) NO,(aq) + H,O(1) → HNO3(aq) + OH (aq) HNO3(aq) + OH (aq) - NO,(aq) + H,0(1) NO3(aq) + H,O(1) → HNO3(aq) + OH (aq)In the laboratory, a general chemistry student measured the pH of a 0.580 M aqueous solution of codeine, C18 H21 O3N to be 10.871. Use the information she obtained to determine the Kb for this base. Kb(experiment)=