The following reactions all have K< 1. 1) CeH5COO (aq) + HCN (aq)=C6H5COOH (aq) + CN (aq) 2) F (aq) + HCN (aq) CN (aq) + HF (aq) 3) C,HyCOOH (aq) + F^ (aq) — HF (aq) + CHşCOO (aq) Arrange the substances based on their relative acid strength. CH5COO- HCN CN HF CH₂COOH Clear All strongest acid intermediate acid weakest acid not a Bronsted-Lowry acid
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- In the following acid-base equilibria of weak acids in water, label the acid (A), the base (B), the conjugate acid (CA), and the conjugate base (CB). HCIO, (aq) + H,O(1) = H,O*(aq) + CI0, (aq) H,CO, (aq) + H,O1) – H;O*(aq) + HCO; (aq) Answer Bank H,O(1) + CH;NH†(aq) = CH,NH,(aq) + H;O*(aq) СА А B СВ CH, COOH(aq) + H,O(1) - CH;COO (aq) + H;O*(aq)Adding acid to the buffer, NH3-NH4*, will produce this (net ionic) reaction: H*(aq) +OH(aq)=H₂O(1) H*(aq)+NH4*(aq) NH3(aq)+H₂(g) O H*(aq) + NH4+ (aq)=NH5²+ (aq) O H*(aq)+NH3(aq)=NH4+ (aq)In the following acid-base equilibria of weak acids in water, label the acid (A), the base (B), the conjugate acid (CA), and the conjugate base (CB). HCIO,(aq) + H,O(1) = H,O*(aq) + C1O, (aq) H₂CO3(aq) + H₂O(1) H₂O+ (aq) + HCO3(aq) H,O(1) +CH,NH (aq) = CH,NH,(aq) + H,O*(aq) O CH₂COOH(aq) + H₂O(1) ⇒ CH₂COO¯(aq) + H₂O+ (aq) O B Answer Bank CA A CB
- Write a net ionic equation for the neutralization reaction of HCN(aq) with NaOH(aq). A) HCN(aq) + OH¨(aq) CN (aq) + H20(A B) H*(aq) + OH´(aq) H20() C) HCN(aq) + Na*(aq) + OH"(aq) Na*(aq) + CN"(aq) + H20() O D) HCN(aq) + NaOH(aq) → NACN(aq) + H20(0What is the net ionic reaction of HNO3 (a strong acid) with KOH (a strong base)? H2O (0)→ H+ (aq) + OH (aq) H+ (aq) + OH- (aq) → H₂O (1) HNO3(aq) + KOH (aq) → KNO3 (aq) + H₂O (1) K+ (aq) NO3(aq) →>> KNO3(aq)NaHCO3 (aq) + CH3 COOH (aq) —> CO2 (g) + H2O (l) + CH3 COONa (aq) Calculate the molar concentration of 100ml of vinegar (CH3COOH) and 2.5 ml of baking soda (NaHCO3). Note that the concentration of table vinegar is about 1 mol/L and the density of baking soda is 2.2 g/cm3
- O Precipitation NHẸ (aq) +H,01)= NH,(aq) +H,O*(aq) equation according the type of reaction it represents. CuCl,(aq) + Mg(s) — MgCl₂(aq) + Cu(s) 2H,O,(aq) H₂O(l) + O₂(g) Acid-base Answer Bank Fe(NO3)3(aq) + 3 NaOH(aq) →→→ Fe(OH), (s) + 3 NaNO, (aq) NaOH(aq) + HBr(aq) →→→ NaBr(aq) + H,O(1) Redox 2 HCl(aq) + Zn(s) → ZnCl₂ (aq) + H₂(g) Decomposition Show all 4:11 PM 10/21/2022 ▬Complete the balanced chemical equation for the following reaction between a weak acid and a strong base. H₂S (aq) + KOH(aq) → 2- 3C₂² 1 2 + (s) S 3 K Reset 4 (1) 5 6 LO O 7 (g) ㅈ H 8 9 11 (aq) Submit X 0 • x H₂OPhthalic acid (H,C3H,O4, abbreviated H,Ph) is a diprotic acid. Its ionization in water at 25°C_takes place in two steps: H¿Ph(aq) + H20(e)=H;0* (aq) + HPH¯(aq) Ka1 = 1.26 × 10~³ %3D HPH¯(aq) + H,O(e)2H;0*(aq) + Ph² (aq) K22 3.10 × 10¬6
- Choose the right variant of reaction when the following strong acid and strong base react with each other: a. HCl(aq) + RbOH(aq) → Mastered OHCl(aq) + RbOH(aq) → H₂O(1) + RbCl(s) O 2HCl(aq) + RbOH(aq) → H₂O(1) + RbCl₂ (aq) O HCl(aq) + 2RbOH(aq) → H₂O(1) + Rb₂ Cl(aq) O HCl(aq) + RbOH(aq) → H₂O(1) + RbCl(aq) b. HC1O4 (aq) + NaOH(aq) → [Review Topics] OHCIO4 (aq) + NaOH(aq) → H₂O(l) + NaClO4 (aq) OHC1O4 (aq) + 2NaOH(aq) → H₂O(1) + Na₂C1O4 (aq) HC1O4 (aq) + 3NaOH(aq) → H₂O(l) + Na3 C1O4 (aq) OHCIO4 (aq) + NaOH(aq) → H₂O(l) + NaClO4 (8) c. H₂SO4 (aq) + NaOH(aq) → H₂SO4 (aq) + 2NaOH(aq) → Na2SO4 (aq) + 2H₂O(1) O H₂SO4 (aq) + NaOH(aq) → Na2SO4 (aq) + H₂O(l) O H₂SO4 (aq) + 2NaOH(aq) → Na2SO4 (aq) + H₂O(l) H₂SO4 (aq) + 2NaOH(aq) → Na2SO4 (8) + 2H₂O(1) Submit Answer Retry Entire Group Show Hint 9 more group attempts remaining Previous SThe balanced molecular equation for complete neutralization of H 2SO 4 by KOH in aqueous solution is H2SO4 (aq) + 2КОН (аq) — 2H20 (I) + К2S04 (s) B H2SO4 (aq) + 20H- (aq) → 2H2O (I) + SO42- (aq) (C) 2H+ (aq) + 20H- (aq) → 2H2O (I) D H2SO4 (aq) + 2KOH (aq) – 2H2O (I) + K2SO4 (aq) 2H+ (aq) + 2KOH (aq) → 2H2O (I) + 2K+ (aq) E.Complete the balanced molecular reaction for the following weak acid with a strong base. Be sure to include the proper phases for all species within the reaction. 1 + 2 Ca HNO₂(aq) + Ca(OH)₂ (aq) 3 H ²- 4 -> OH 5 = 6 H3O+ 6 (s) 7 H₂O 3+ 8 4+ N 9 0 (1) (g) (aq) O o