Which portion of this heating curve for water should have the least steep slope?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Heating Curve Analysis for Water**

**Question:**
Which portion of this heating curve for water should have the least steep slope?

**Graph Explanation:**
The graph on the left shows the heating curve for water with the x-axis representing "Heat added" and the y-axis representing "Temperature (°C)." The curve has three segments labeled A, B, and C.

- **Segment A** starts from the origin and slants upward.
- **Segment B** is a horizontal line, indicating a phase change.
- **Segment C** resumes an upward slope.

**Specific Heat Capacities:**
Below the graph, a table lists the specific heat capacities for water in different states:

- \( c_p \) for \( \text{H}_2\text{O(s)} \): 2.087 J/g°C
- \( c_p \) for \( \text{H}_2\text{O(l)} \): 4.814 J/g°C
- \( c_p \) for \( \text{H}_2\text{O(g)} \): 2.042 J/g°C

**Options:**
- ☐ B
- ☐ A
- ☐ C
Transcribed Image Text:**Heating Curve Analysis for Water** **Question:** Which portion of this heating curve for water should have the least steep slope? **Graph Explanation:** The graph on the left shows the heating curve for water with the x-axis representing "Heat added" and the y-axis representing "Temperature (°C)." The curve has three segments labeled A, B, and C. - **Segment A** starts from the origin and slants upward. - **Segment B** is a horizontal line, indicating a phase change. - **Segment C** resumes an upward slope. **Specific Heat Capacities:** Below the graph, a table lists the specific heat capacities for water in different states: - \( c_p \) for \( \text{H}_2\text{O(s)} \): 2.087 J/g°C - \( c_p \) for \( \text{H}_2\text{O(l)} \): 4.814 J/g°C - \( c_p \) for \( \text{H}_2\text{O(g)} \): 2.042 J/g°C **Options:** - ☐ B - ☐ A - ☐ C
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