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Part B. Balance the following redox equations using the half-reaction method: 1. Cr2072- (aq) + HNO2jaq) 2. Cr(OH)3 (4) + ClO3 (ag Cr3* (ag) + NO3 (aq) (acidic) CrO42- + Cl (ag) (basic) (aq)

Part B. Balance the following redox equations using the half-reaction method: 1. Cr2072- (aq) + HNO2jaq) 2. Cr(OH)3 (4) + ClO3 (ag Cr3* (ag) + NO3 (aq) (acidic) CrO42- + Cl (ag) (basic) (aq)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please answer number 2 of Part B po. If hindi naman po masyadong mahirap para sainyo, please answer number 1 na din po. Maraming salamat!
Activity 2. Balancing Redox Reactions Learning Objectives: 1. Balance redox equations using change in oxidation number method. 2. Write the oxidation and reduction half reactions for a given redox reaction. 3. Balance a redox reaction using the half-reaction method. What you need: pen and paper che Part B. Balance the following redox equations using the half-reaction method: 1. Cr2072- (aq) + HNO2(aq) → Cr³* (aq) + NO3" (ag) (acidic) 2. Cr(OH)3 (4) + clo3 (ac) → CrOq2- (aq) + Cl (ag) (basic) Guide Questions: 1. When balancing redox reaction in a basic solution, how many OH should be added to each side? 2. When does the oxidation-number approach and the half-reaction method work best?
Transcribed Image Text:Activity 2. Balancing Redox Reactions Learning Objectives: 1. Balance redox equations using change in oxidation number method. 2. Write the oxidation and reduction half reactions for a given redox reaction. 3. Balance a redox reaction using the half-reaction method. What you need: pen and paper che Part B. Balance the following redox equations using the half-reaction method: 1. Cr2072- (aq) + HNO2(aq) → Cr³* (aq) + NO3" (ag) (acidic) 2. Cr(OH)3 (4) + clo3 (ac) → CrOq2- (aq) + Cl (ag) (basic) Guide Questions: 1. When balancing redox reaction in a basic solution, how many OH should be added to each side? 2. When does the oxidation-number approach and the half-reaction method work best?
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