For each chemical reaction in the table below, decide whether the highlighted reactant is a Brønsted-Lowry acid, a Brønsted-Lowry base, or neither. reaction - NH(aq) + H2O(l) → NH3(aq) + H₂O*(aq) NH3(aq) + H2O(l) → NH¼4(aq) + OH¯ (aq) highlighted reactant Bronsted-Lowry Bronsted-Lowry neither acid base ClO4(aq) + H2O(l) → HClO4(aq) + OH (aq) HCIO4(aq) + H2O(l) → ClO4(aq) + H₂O* (aq) - Х

(a) Which is the stronger Bronsted acid, HCO3 or NH4+? Which has the stronger conjugate base? (b) Is a reaction between HCO3- ions and NH3 product- or reactant-favored at equilibrium? HCO3(aq) + NH3(aq) CO32(aq) + NH4+(aq) (c) You mix solutions of sodium hydrogen phosphate and ammonia. The net ionic equation for a possible reaction is HPO42(aq) + NH3(aq) PO43(aq) + NH4+(aq) Does the equilibrium lie to the left or to the right for this reaction?

Using the diagrams shown in Problem 10-37, which of the four acids is the weakest acid?

In the following net ionic reaction, identify each species as either a Brnsted-Lowry acid or a Brnsted -Lowry base: CH3COO(aq)+HS(aq)CH3COOH(aq)+S2(aq). Identify the conjugate of each reactant and state whether it is a conjugate acid or a conjugate base.

Without writing an equation, specify the molecular ratio in which each of the following acidbase pairs will react. a. HCl and KOH b. H2CO3 and KOH c. HCl and Ca(OH)2 d. H2CO3 and Ca(OH)2

Find the value of Kb for the conjugate base of the following organic acids. (a) picric acid used in the manufacture of explosives; Ka = 0.16 (b) trichloroacetic acid used in the treatment of warts; Ka = 0.20

Indicate whether the first listed reactant in each of the following BrnstedLowry acidbase reactions is functioning as an acid or a base. a. F + H2O HF + OH b. HClO + H2O H3O+ + ClO c. H3PO4 + NH3 NH4+ + H2PO4 d. HNO2 + HS H2S + NO2

Predict which of these acid-base reactions are product-favored and which are reactant-favored. In each case write a balanced equation for any reaction that might occur, even if the reaction is reactant-favored. Consult Table 14.2 if necessary. (a) NH4+(aq)+HPO42(aq) (b) CH3COOH(aq) + OH(aq) (c) HSO4(aq)+H2PO4(aq) (d) CH3COOH(aq) + F(aq)

Indicate whether the first listed reactant in each of the following BrnstedLowry acidbase reactions is functioning as an acid or a base. a. HF + H2O H3O+ + F b. CN + H2O HCN + OH c. HCN + NO2 HNO2 + CN d. NH3 + HNO3 NH4+ + NO3

Write a balanced chemical equation to represent each of the following acidbase neutralization reactions. a. HCl and LiOH b. HNO3 and Ba(OH)2 c. H2SO4 and NaOH d. KOH and H3PO4