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(a) La(s) La(OH)3(s) ▼ Answer (a) 30H¯(aq)+La(s) " La(OH);(s)+3e¯ (b) NOĘ(aq) NO5(aq) ▼ Answer (b) 2e- + H2O(1)+NO;(aq) NOZ(aq)+2OH¯(aq) (c) H2O2(aq) O2(8) ▼ Answer (с) Н-О2(аq)+20Н (ад) O2(g)+2e- + 2H2O(1) (d) Cl20¬(aq) ClO,(aq) ▼ Answer (d) 8e- + 3H2O!)+Cl½O¬(aq)* 2C10 (aq)+6OH¯(aq)

(a) La(s) La(OH)3(s) ▼ Answer (a) 30H¯(aq)+La(s) " La(OH);(s)+3e¯ (b) NOĘ(aq) NO5(aq) ▼ Answer (b) 2e- + H2O(1)+NO;(aq) NOZ(aq)+2OH¯(aq) (c) H2O2(aq) O2(8) ▼ Answer (с) Н-О2(аq)+20Н (ад) O2(g)+2e- + 2H2O(1) (d) Cl20¬(aq) ClO,(aq) ▼ Answer (d) 8e- + 3H2O!)+Cl½O¬(aq)* 2C10 (aq)+6OH¯(aq)

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.139QP: The following two half-reactions arc involved in a voltaic cell. At standard conditions, what...
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(a) La(s) La(OH);(s) Answer (a) 30H¯(aq)+La(s) La(OH)3(s)+3e- (b) NOZ(aq) NO,(aq) Answer (b) 2e- + H2O(1)+NO3(aq) NO,(aq)+20H¯(aq) (c) H2O2(aq) O2(8) Answer (c) Н2О2(аq)+20Н (ад) O2(g)+2e- + 2H, O(1) (d) Cl207(aq) CIO,(aq) ▼ Answer (d) 8e¯ + 3H2O(I)+Cl½O¬(aq)¯ 2CI0,(aq)+60H¬(aq)
Transcribed Image Text:(a) La(s) La(OH);(s) Answer (a) 30H¯(aq)+La(s) La(OH)3(s)+3e- (b) NOZ(aq) NO,(aq) Answer (b) 2e- + H2O(1)+NO3(aq) NO,(aq)+20H¯(aq) (c) H2O2(aq) O2(8) Answer (c) Н2О2(аq)+20Н (ад) O2(g)+2e- + 2H, O(1) (d) Cl207(aq) CIO,(aq) ▼ Answer (d) 8e¯ + 3H2O(I)+Cl½O¬(aq)¯ 2CI0,(aq)+60H¬(aq)
14.53 Balance the following half-reactions, adding OH¯(aq), H2O(1), and electrons as appropriate.
Transcribed Image Text:14.53 Balance the following half-reactions, adding OH¯(aq), H2O(1), and electrons as appropriate.
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