Can someone help me understand in this image how to determine what is being oxidized and what is being reduced? This is in terms of cellullar respiration redox reactions.
Can someone help me understand in this image how to determine what is being oxidized and what is being reduced? This is in terms of cellullar respiration redox reactions.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Can someone help me understand in this image how to determine what is being oxidized and what is being reduced? This is in terms of cellullar respiration
Transcribed Image Text:**Figure 7.2**: This diagram illustrates the relative loss and gain of electrons in a redox reaction, specifically focusing on the burning of methane (natural gas) in oxygen.
**Reactants**:
1. **Methane (CH₄)**: Displayed as a molecule with hydrogen atoms bonded to carbon.
2. **Oxygen (O₂)**: Shown as a diatomic molecule with a double bond.
**Products**:
1. **Carbon Dioxide (CO₂)**: Indicating a linear molecule with double bonds between carbon and oxygen.
2. **Water (H₂O)**: Depicted with a bent structure typical of water molecules.
**Process Explanation**:
- The reaction involves methane reacting with oxygen to form carbon dioxide, water, and energy.
- **Oxidation**: Methane becomes oxidized as the carbon atom loses shared electrons.
- **Reduction**: Oxygen becomes reduced as the oxygen atoms gain electrons.
The arrows in the diagram:
- Highlight how methane (CH₄) turns into carbon dioxide (CO₂) and water (H₂O) during the reaction.
- Indicate the transfer of electrons: blue arrows pointing to oxidation of methane and reduction of oxygen.
**Key Points**:
- The reaction releases energy, illustrated with a burst shape next to CO₂.
- The positions of electrons in covalent bonds are compared between reactants and products.
- The visualization emphasizes the electron movement accounting for oxidation and reduction.
*© Cengage Learning 2017*
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