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2 Br + MnO4 → Br₂ + Mn²+

2 Br + MnO4 → Br₂ + Mn²+

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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Step by step on how to solve redox in acid for question number 2 please

Steps for balancing equations in acid: 1. 2. 3. 4. M 5. 6. 7. 8. Practice: 1. 3. 2. Determine which species is being oxidized and which species is Balance all elements except oxygen and hydrogen. Balance oxygen using water. Balance hydrogen using H*. Balance charge using electrons. Remember: Electrons gained-Electrons lost. It may be neces number of electrons gained = electrons lost. Add half reactions and cancel identical species. Check that atoms and charge are balanced. Example: 3+ 2+ MnO4 + Fe² → Fe³+ + Mn²+ I + Clo → 13 + cr Br + MnO4 → Br₂ + Mn² Cu + NO₂ ⇒ Cu²+ + NO Steps for balancing in base: 4. As₂O3 + NO 2- 5. Cr₂0₂ + Cl 2+ 6. Mn+NaBi 1. Balance equations as if they were in acid. 2. Add OH' equal to the number of protons added to each side 3. Combine H* and OH to make water. 4. Simplify. 5. Remember: Electrons gained-Electrons lost. It may be nec number of electrons gained = electrons lost. 6. Add half reactions and cancel identical species. 7. Check that atoms and charge are balanced.
Transcribed Image Text:Steps for balancing equations in acid: 1. 2. 3. 4. M 5. 6. 7. 8. Practice: 1. 3. 2. Determine which species is being oxidized and which species is Balance all elements except oxygen and hydrogen. Balance oxygen using water. Balance hydrogen using H*. Balance charge using electrons. Remember: Electrons gained-Electrons lost. It may be neces number of electrons gained = electrons lost. Add half reactions and cancel identical species. Check that atoms and charge are balanced. Example: 3+ 2+ MnO4 + Fe² → Fe³+ + Mn²+ I + Clo → 13 + cr Br + MnO4 → Br₂ + Mn² Cu + NO₂ ⇒ Cu²+ + NO Steps for balancing in base: 4. As₂O3 + NO 2- 5. Cr₂0₂ + Cl 2+ 6. Mn+NaBi 1. Balance equations as if they were in acid. 2. Add OH' equal to the number of protons added to each side 3. Combine H* and OH to make water. 4. Simplify. 5. Remember: Electrons gained-Electrons lost. It may be nec number of electrons gained = electrons lost. 6. Add half reactions and cancel identical species. 7. Check that atoms and charge are balanced.
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Step 1: Identify the species that is oxidized and reduced

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