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
2.
![### Part A
**Question:**
Which element is oxidized in this reaction?
\[ 2CuO + C \rightarrow 2Cu + CO_2 \]
**Instruction:**
Enter the chemical symbol of the element.
**Hints:**
- To check available hints, click on "View Available Hint(s)".
**Response Box:**
\[ \underline{\hspace{200pt}} \text{is oxidized} \]
**Action Button:**
- Click "Submit" to enter your answer.
**Explanation:**
In a redox (reduction-oxidation) reaction, the element that loses electrons is said to be oxidized. In the given reaction:
\[ 2CuO + C \rightarrow 2Cu + CO_2 \]
Copper (Cu) in copper(II) oxide (CuO) is in the +2 oxidation state, and it is reduced to metallic copper (Cu) in the 0 oxidation state. Therefore, the element that is oxidized is carbon (C), as it goes from 0 to +4 oxidation state in carbon dioxide (CO₂).
**Note:**
Ensure you understand how to identify oxidation states and determine which element is oxidized or reduced in a given chemical reaction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F17497d33-d788-47f4-b0cc-ddfc691cee1e%2F9c24cd6e-891f-4e3d-a5b2-b821c5f6b4dd%2Fpwhmw7q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Part A
**Question:**
Which element is oxidized in this reaction?
\[ 2CuO + C \rightarrow 2Cu + CO_2 \]
**Instruction:**
Enter the chemical symbol of the element.
**Hints:**
- To check available hints, click on "View Available Hint(s)".
**Response Box:**
\[ \underline{\hspace{200pt}} \text{is oxidized} \]
**Action Button:**
- Click "Submit" to enter your answer.
**Explanation:**
In a redox (reduction-oxidation) reaction, the element that loses electrons is said to be oxidized. In the given reaction:
\[ 2CuO + C \rightarrow 2Cu + CO_2 \]
Copper (Cu) in copper(II) oxide (CuO) is in the +2 oxidation state, and it is reduced to metallic copper (Cu) in the 0 oxidation state. Therefore, the element that is oxidized is carbon (C), as it goes from 0 to +4 oxidation state in carbon dioxide (CO₂).
**Note:**
Ensure you understand how to identify oxidation states and determine which element is oxidized or reduced in a given chemical reaction.
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