▾ Part B Identify the elements that undergo changes in oxidation number in the following reaction: 2PbO₂ (s)>2PbO(s) + O₂(g) Express your answers as chemical symbols separated by a comma. Submit ▾ Part C ΑΣΦ → C Request Answer Identify the elements that undergo changes in oxidation number in the following reaction: 2H₂SO, (aq) + 2NaBr(s) Bra (1) + SO₂(g) + NagSO. (aq) + 2H₂O(1) ΑΣΦ ? Express your answers as chemical symbols separated by a comma. C ?
▾ Part B Identify the elements that undergo changes in oxidation number in the following reaction: 2PbO₂ (s)>2PbO(s) + O₂(g) Express your answers as chemical symbols separated by a comma. Submit ▾ Part C ΑΣΦ → C Request Answer Identify the elements that undergo changes in oxidation number in the following reaction: 2H₂SO, (aq) + 2NaBr(s) Bra (1) + SO₂(g) + NagSO. (aq) + 2H₂O(1) ΑΣΦ ? Express your answers as chemical symbols separated by a comma. C ?
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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Question
![**Problem 20.20 - Enhanced - with Feedback**
**Reaction:**
\[ 2P_2O_5(s) \rightarrow 2P_2O(s) + O_2(g) \]
**Feedback:**
- **Correct.** A useful way to determine whether reduction and oxidation have occurred is to write the oxidation numbers for each element above its respective chemical formula. If the oxidation number on the product side is more negative, then the element undergoes reduction, and it undergoes oxidation if the oxidation number is more positive on the product side.
### Part B
**Problem Statement:**
- Identify the elements that undergo changes in oxidation number in the following reaction:
\[ 2P_2O_5(s) \rightarrow 2P_2O(s) + O_2(g) \]
- **Instruction:** Express your answers as chemical symbols separated by a comma.
- **Input Box:** Provided for entering answers.
- **Buttons:** Submit, Request Answer
### Part C
**Problem Statement:**
- Identify the elements that undergo changes in oxidation number in the following reaction:
\[ 2H_2SO_4(aq) + 2NaBr(s) \rightarrow Br_2(l) + SO_2(g) + Na_2SO_4(aq) + 2H_2O(l) \]
- **Instruction:** Express your answers as chemical symbols separated by a comma.
- **Input Box:** Provided for entering answers.
- **Buttons:** Submit, Request Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F02dc2c71-84ec-4756-9bbf-6d095e097774%2Fe49304fa-47dd-4c68-b933-3365d97bf2d9%2F2p9lwz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem 20.20 - Enhanced - with Feedback**
**Reaction:**
\[ 2P_2O_5(s) \rightarrow 2P_2O(s) + O_2(g) \]
**Feedback:**
- **Correct.** A useful way to determine whether reduction and oxidation have occurred is to write the oxidation numbers for each element above its respective chemical formula. If the oxidation number on the product side is more negative, then the element undergoes reduction, and it undergoes oxidation if the oxidation number is more positive on the product side.
### Part B
**Problem Statement:**
- Identify the elements that undergo changes in oxidation number in the following reaction:
\[ 2P_2O_5(s) \rightarrow 2P_2O(s) + O_2(g) \]
- **Instruction:** Express your answers as chemical symbols separated by a comma.
- **Input Box:** Provided for entering answers.
- **Buttons:** Submit, Request Answer
### Part C
**Problem Statement:**
- Identify the elements that undergo changes in oxidation number in the following reaction:
\[ 2H_2SO_4(aq) + 2NaBr(s) \rightarrow Br_2(l) + SO_2(g) + Na_2SO_4(aq) + 2H_2O(l) \]
- **Instruction:** Express your answers as chemical symbols separated by a comma.
- **Input Box:** Provided for entering answers.
- **Buttons:** Submit, Request Answer
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