What is the change in enthalpy in kilojoules when 3.24 g of CH;OH is completely reacted according to the following reaction 2 CH;OH(g) - 2 CH.(g) + O2(g) AH = 252.8 kJ

Chemistry
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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
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**Interactive Learning Module: Calculating Change in Enthalpy**

**Objective:** Determine the change in enthalpy in kilojoules when 3.24 grams of CH₃OH is completely reacted.

**Reaction Overview:**
\[ 2 \, \text{CH}_3\text{OH (g)} \rightarrow 2 \, \text{CH}_4\text{ (g)} + \text{O}_2\text{ (g)} \]
\[ \Delta H = 252.8 \, \text{kJ} \]

**Instructions:**

1. **Starting Amount Panel:**
   - Input the initial quantity of CH₃OH, given as 3.24 grams.

2. **Calculation Interface:**
   - Utilize the provided calculator buttons to input values and factors relevant to the calculation.
   - The numbers available represent potential coefficients and constants used in conversion (e.g., molar mass, Avogadro's number).

3. **Available Buttons:**
   - **Numbers:** Includes several numeric values like \[ 1, 0.001, 32.00, \ldots, 6.022 \times 10^{23} \]
   - **Units and Conversions:** \[ \text{g CH}_4, \text{mol CH}_3\text{OH}, \text{J}, \text{mol CH}_4, \text{g CH}_3\text{OH}, \text{g O}_2, \text{mol O}_2, \text{kJ}\]

4. **Solution Input:**
   - Enter your calculated enthalpy change in the answer box.
   - Use the reset button to clear inputs and start over if necessary.

This module helps students understand stoichiometry and enthalpy calculations by simulating a real-world chemical reaction scenario.
Transcribed Image Text:**Interactive Learning Module: Calculating Change in Enthalpy** **Objective:** Determine the change in enthalpy in kilojoules when 3.24 grams of CH₃OH is completely reacted. **Reaction Overview:** \[ 2 \, \text{CH}_3\text{OH (g)} \rightarrow 2 \, \text{CH}_4\text{ (g)} + \text{O}_2\text{ (g)} \] \[ \Delta H = 252.8 \, \text{kJ} \] **Instructions:** 1. **Starting Amount Panel:** - Input the initial quantity of CH₃OH, given as 3.24 grams. 2. **Calculation Interface:** - Utilize the provided calculator buttons to input values and factors relevant to the calculation. - The numbers available represent potential coefficients and constants used in conversion (e.g., molar mass, Avogadro's number). 3. **Available Buttons:** - **Numbers:** Includes several numeric values like \[ 1, 0.001, 32.00, \ldots, 6.022 \times 10^{23} \] - **Units and Conversions:** \[ \text{g CH}_4, \text{mol CH}_3\text{OH}, \text{J}, \text{mol CH}_4, \text{g CH}_3\text{OH}, \text{g O}_2, \text{mol O}_2, \text{kJ}\] 4. **Solution Input:** - Enter your calculated enthalpy change in the answer box. - Use the reset button to clear inputs and start over if necessary. This module helps students understand stoichiometry and enthalpy calculations by simulating a real-world chemical reaction scenario.
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