Suppose the galvanic cell sketched below is powered by the following reaction: Mn(s) + Cu(NO3)(aq) Mn(NO3)₂(aq) + Cu(s) 2 E1 1 E2

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Galvanic Cell Diagram and Reaction Explanation**

The galvanic cell shown here operates based on the following chemical reaction:

\[ \text{Mn(s)} + \text{Cu(NO}_3\text{)}_2\text{(aq)} \rightarrow \text{Mn(NO}_3\text{)}_2\text{(aq)} + \text{Cu(s)} \]

**Diagram Description:**

- **Left Container:**
  - Contains a solid manganese electrode (Mn), labeled "E1".
  - Immersed in a solution of copper nitrate \(\text{Cu(NO}_3\text{)}_2\).
  - Represents the anode where oxidation occurs, releasing electrons (\(e^-\)).

- **Right Container:**
  - Contains a copper electrode (Cu), labeled "E2".
  - Immersed in a solution of \(\text{Mn(NO}_3\text{)}_2\).
  - Represents the cathode where reduction occurs, gaining electrons (\(e^-\)).

- **Connections:**
  - The two electrodes are connected by a wire that allows electron flow from the anode (E1) to the cathode (E2). 
  - A voltmeter is placed in the circuit to measure the potential difference created by the reaction.
  - A salt bridge, depicted below the containers, connects the two electrolyte solutions. It maintains electrical neutrality by allowing ions to flow between the compartments.

The direction of electron flow is marked by green arrows, showing movement from manganese to copper. This setup illustrates a typical galvanic cell where chemical energy is converted into electrical energy through spontaneous redox reactions.
Transcribed Image Text:**Galvanic Cell Diagram and Reaction Explanation** The galvanic cell shown here operates based on the following chemical reaction: \[ \text{Mn(s)} + \text{Cu(NO}_3\text{)}_2\text{(aq)} \rightarrow \text{Mn(NO}_3\text{)}_2\text{(aq)} + \text{Cu(s)} \] **Diagram Description:** - **Left Container:** - Contains a solid manganese electrode (Mn), labeled "E1". - Immersed in a solution of copper nitrate \(\text{Cu(NO}_3\text{)}_2\). - Represents the anode where oxidation occurs, releasing electrons (\(e^-\)). - **Right Container:** - Contains a copper electrode (Cu), labeled "E2". - Immersed in a solution of \(\text{Mn(NO}_3\text{)}_2\). - Represents the cathode where reduction occurs, gaining electrons (\(e^-\)). - **Connections:** - The two electrodes are connected by a wire that allows electron flow from the anode (E1) to the cathode (E2). - A voltmeter is placed in the circuit to measure the potential difference created by the reaction. - A salt bridge, depicted below the containers, connects the two electrolyte solutions. It maintains electrical neutrality by allowing ions to flow between the compartments. The direction of electron flow is marked by green arrows, showing movement from manganese to copper. This setup illustrates a typical galvanic cell where chemical energy is converted into electrical energy through spontaneous redox reactions.
**Transcription for Educational Website**

| Task                                                                                      | Input Box |
|-------------------------------------------------------------------------------------------|-----------|
| Write a balanced equation for the half-reaction that happens at the cathode of this cell. | ☐         |
| Write a balanced equation for the half-reaction that happens at the anode of this cell.   | ☐         |
| Of what substance is E₁ made?                                                             | ☐         |
| Of what substance is E₂ made?                                                             | ☐         |
| What are the chemical species in solution S₁?                                             | ☐         |
| What are the chemical species in solution S₂?                                             | ☐         |

**Diagram Explanation**

The image includes a sidebar with a diagram tool. The diagram tool has various symbols that can be selected. Here's a description:

- The symbol **e⁻** indicates that electrons are present, which may relate to the processes occurring in the reactions.
- The tool provides options for creating balanced chemical equations, with choices for placing elements and electrons in sequence.
- The circular arrow symbol suggests an option to reset or start the process over again.

This interface assists users in inputting balanced chemical equations and understanding the substances and chemical species involved in each solution for reactions in an electrochemical cell.
Transcribed Image Text:**Transcription for Educational Website** | Task | Input Box | |-------------------------------------------------------------------------------------------|-----------| | Write a balanced equation for the half-reaction that happens at the cathode of this cell. | ☐ | | Write a balanced equation for the half-reaction that happens at the anode of this cell. | ☐ | | Of what substance is E₁ made? | ☐ | | Of what substance is E₂ made? | ☐ | | What are the chemical species in solution S₁? | ☐ | | What are the chemical species in solution S₂? | ☐ | **Diagram Explanation** The image includes a sidebar with a diagram tool. The diagram tool has various symbols that can be selected. Here's a description: - The symbol **e⁻** indicates that electrons are present, which may relate to the processes occurring in the reactions. - The tool provides options for creating balanced chemical equations, with choices for placing elements and electrons in sequence. - The circular arrow symbol suggests an option to reset or start the process over again. This interface assists users in inputting balanced chemical equations and understanding the substances and chemical species involved in each solution for reactions in an electrochemical cell.
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