Balance the half-reaction, CgH10 → CgH4O4²¯, taking place in basic media. Please write your answer on a separate piece of paper. You may also scan and upload your answer here directly.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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### Balancing Half-Reactions in Basic Media

**Problem Statement:**
"Balance the half-reaction, \( \mathrm{C_8H_{10} \rightarrow C_8H_4O_4^{2-}} \), taking place in basic media."

**Instructions:**
Please write your answer on a separate piece of paper. You may also scan and upload your answer here directly.

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**Notes on Balancing the Half-Reaction:**
1. **Identify the changes in oxidation states:** Determine which atoms are oxidized and which are reduced.
2. **Separate the half-reactions:** Write down the oxidation and reduction half-reactions separately if needed.
3. **Balance atoms other than O and H:** Start by balancing atoms that are not oxygen or hydrogen.
4. **Balance Oxygen atoms:** Add \( \mathrm{H_2O} \) molecules to balance oxygen atoms.
5. **Balance Hydrogen atoms:** Add \( \mathrm{OH^-} \) ions to balance hydrogen atoms, noting the medium is basic.
6. **Balance the charges:** Ensure that the charges on both sides of the half-reaction are equal, adding electrons \( (e^-) \) where necessary.
7. **Combine the half-reactions if applicable:** Make sure the number of electrons gained in the reduction half-reaction equals the number lost in the oxidation half-reaction and combine them if required.

---

Good luck! Make sure to double-check your work for accuracy.
Transcribed Image Text:### Balancing Half-Reactions in Basic Media **Problem Statement:** "Balance the half-reaction, \( \mathrm{C_8H_{10} \rightarrow C_8H_4O_4^{2-}} \), taking place in basic media." **Instructions:** Please write your answer on a separate piece of paper. You may also scan and upload your answer here directly. --- **Notes on Balancing the Half-Reaction:** 1. **Identify the changes in oxidation states:** Determine which atoms are oxidized and which are reduced. 2. **Separate the half-reactions:** Write down the oxidation and reduction half-reactions separately if needed. 3. **Balance atoms other than O and H:** Start by balancing atoms that are not oxygen or hydrogen. 4. **Balance Oxygen atoms:** Add \( \mathrm{H_2O} \) molecules to balance oxygen atoms. 5. **Balance Hydrogen atoms:** Add \( \mathrm{OH^-} \) ions to balance hydrogen atoms, noting the medium is basic. 6. **Balance the charges:** Ensure that the charges on both sides of the half-reaction are equal, adding electrons \( (e^-) \) where necessary. 7. **Combine the half-reactions if applicable:** Make sure the number of electrons gained in the reduction half-reaction equals the number lost in the oxidation half-reaction and combine them if required. --- Good luck! Make sure to double-check your work for accuracy.
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