Given the data: Volume of 1.00M HCI (mL) 45.0 Volume of 1.00 M NAOH (mL) 50.0 Initial Temperature (C) 22.1 Final Temperature ("C) 31.6 Calculate the heat of the solution, qsolution, in units of J. NOTE: q= mc AT Specific heat for solution: c = 4.18 J/ g C %3D Density of the solution = 1.00 g/mL %3D 3776.06

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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### Transcription and Explanation for Educational Website

#### Given Data:

- **Volume of 1.00 M HCl (mL):** 45.0 
- **Volume of 1.00 M NaOH (mL):** 50.0 
- **Initial Temperature (°C):** 22.1 
- **Final Temperature (°C):** 31.6 

#### Calculation:

Calculate the heat of the solution, \( q_{\text{solution}} \), in units of Joules (J).

**Formula:**

\[ q = m \cdot c \cdot \Delta T \]

**Where:**

- \( q \) = heat energy (Joules)
- \( m \) = mass of the solution (grams)
- \( c \) = specific heat capacity (J/g°C)
- \( \Delta T \) = change in temperature (°C)

**Specifications:**

- **Specific heat for the solution:** \( c = 4.18 \, \text{J/g°C} \)
- **Density of the solution:** \( 1.00 \, \text{g/mL} \)

**Calculated Result:**

The calculated heat of the solution is **3776.06 J**.

---

#### Explanation:

To solve for the heat of the solution, we use the formula:

1. **Calculate the mass of the solution:**

   Since the density is 1.00 g/mL, the mass (m) is equal to the volume in mL. Therefore, the total volume is \( 45.0 \, \text{mL (HCl)} + 50.0 \, \text{mL (NaOH)} = 95.0 \, \text{mL} \).

   Thus, \( m = 95.0 \, \text{g} \).

2. **Determine the temperature change (\( \Delta T \)):**

   \[ \Delta T = \text{Final Temperature} - \text{Initial Temperature} \]

   \[ \Delta T = 31.6^\circ \text{C} - 22.1^\circ \text{C} = 9.5^\circ \text{C} \]

3. **Substitute into the formula:**

   \[ q = 95.0 \, \text{g} \times
Transcribed Image Text:### Transcription and Explanation for Educational Website #### Given Data: - **Volume of 1.00 M HCl (mL):** 45.0 - **Volume of 1.00 M NaOH (mL):** 50.0 - **Initial Temperature (°C):** 22.1 - **Final Temperature (°C):** 31.6 #### Calculation: Calculate the heat of the solution, \( q_{\text{solution}} \), in units of Joules (J). **Formula:** \[ q = m \cdot c \cdot \Delta T \] **Where:** - \( q \) = heat energy (Joules) - \( m \) = mass of the solution (grams) - \( c \) = specific heat capacity (J/g°C) - \( \Delta T \) = change in temperature (°C) **Specifications:** - **Specific heat for the solution:** \( c = 4.18 \, \text{J/g°C} \) - **Density of the solution:** \( 1.00 \, \text{g/mL} \) **Calculated Result:** The calculated heat of the solution is **3776.06 J**. --- #### Explanation: To solve for the heat of the solution, we use the formula: 1. **Calculate the mass of the solution:** Since the density is 1.00 g/mL, the mass (m) is equal to the volume in mL. Therefore, the total volume is \( 45.0 \, \text{mL (HCl)} + 50.0 \, \text{mL (NaOH)} = 95.0 \, \text{mL} \). Thus, \( m = 95.0 \, \text{g} \). 2. **Determine the temperature change (\( \Delta T \)):** \[ \Delta T = \text{Final Temperature} - \text{Initial Temperature} \] \[ \Delta T = 31.6^\circ \text{C} - 22.1^\circ \text{C} = 9.5^\circ \text{C} \] 3. **Substitute into the formula:** \[ q = 95.0 \, \text{g} \times
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