reaction Ni2+ *(aq) + 6NH,(q) → Ni(NH,), (aa) HBr(aq) + NH₂(aq) → Br (aq) + NH(aq) 2H₂O₂-2H₂O) + O₂(9) The highlighted reactant acts as a... (check all that apply) Brønsted-Lowry acid Bransted-Lowry base Lewis acid Lewis base Bransted-Lowry acid Brønsted-Lowry base Lewis acid Lewis base Brønsted-Lowry acid Bransted-Lowry base Lewis acid Lewis base

reaction Ni2+ *(aq) + 6NH,(q) → Ni(NH,), (aa) HBr(aq) + NH₂(aq) → Br (aq) + NH(aq) 2H₂O₂-2H₂O) + O₂(9) The highlighted reactant acts as a... (check all that apply) Brønsted-Lowry acid Bransted-Lowry base Lewis acid Lewis base Bransted-Lowry acid Brønsted-Lowry base Lewis acid Lewis base Brønsted-Lowry acid Bransted-Lowry base Lewis acid Lewis base

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter14: Acids And Bases

Section: Chapter Questions

Problem 109QRT

See similar textbooks

Similar questions

Using the acid ionization constant information given in Table 10-3, indicate which acid is the stronger in each of the following acid pairs. a. H3PO4 and H2PO4 b. H3PO4 and H2CO3 c. HPO42 and H2PO4 d. HC2H3O2 and HCN
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)
8-13 Define (a) an Arrhenius acid and (b) an Arrhenius base.
8-17 For each of the following, tell whether the base is strong or weak. (a) NaOH (b) Sodium acetate (c) KOH (d) Ammonia (e) Water
In each of the following acid-base reactions, identify the Brnsted acid and base on the left and their conjugate partners on the right. (a) C2H5N(aq) + CH3CO2H(aq) C5H5NH+(aq) + CH3CO2(aq) (b) N2H4(aq) + HSO4(aq) N2H5+(aq) + SO42(aq) (c) [Al(H2O)6]3+ (aq) + OH(aq) [Al(H2O)5OH]2+ (aq) + H2O+()
Consider a 0.33 M solution of the diprotic acid H2X. H2X H+(aq)+ HX(aq)Ka1=3.3 10 4 HX H+(aq)+ X2(aq)Ka2=9.7 10 8 Calculate the pH of the solution and estimate [HX-] and [X2-].
12.63 For each of the following reactions, indicate the Bronsted-Lowrv acids and bases. What are the conjugate acid-base pairs? CN’(aq) + H2O(€) «=* HCN(aq) + OH’(aq) HCO}-(aq) + H,o+(aq) +* H2CO,(aq) + H,O(€) (C) CH,CtX)H(aq) + HS~(aq)i=i CH}COO"(aq) + H2S(aq)
Write two BrnstedLowry acid-base reactions and show how they represent proton-transfer reactions.
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. H2O(ℓ) + HNO3(aq) H3PO4(aq) + H2O(ℓ) CN−(aq) + HCl(aq)
Figure 14.3 shows the pH of some common solutions. How many times more acidic or basic is each of these compared with a neutral solution? (a) Black coffee (b) Household ammonia (c) Baking soda (d) Vinegar
Two strategies are also followed when solving for the pH of a base in water. What is the strategy for calculating the pH of a strong base in water? List the strong bases mentioned in the text that should be committed to memory. Why is calculating the pH of Ca(OH)2 solutions a little more difficult than calculating the pH of NaOH solutions? Most bases are weak bases. The presence of what element most commonly results in basic properties for an organic compound? What is present on this element in compounds that allows it to accept a proton? Table 13-3 and Appendix 5 of the text list Kb values for some weak bases. What strategy is used to solve for the pH of a weak base in water? What assumptions are made when solving for the pH of weak base solutions? If the 5% rule fails, how do you calculate the pH of a weak base in water?
8-107 Following are pH ranges for several human biological materials. From the pH at the midpoint of each range, calculate the corresponding [H3O+]. Which materials are acidic, which are basic, and which are neutral? (a) Milk, pH 6.6-7.6 (b) Gastric contents, pH 1.0-3.0 (c) Spinal fluid, pH 7.3-7.5 (d) Saliva, pH 6.5-7.5 (e) Urine, pH 4.8-8.4 (f) Blood plasma, pH 7.35-7.45 (g) Feces, pH 4.6-8.4 (h) Bile, pH 6.8-7.0