Balance the chemical equation below using the smallest possible whole number stoichiometric coefficients. CH, (CH,),CH, () + 0,(g) → co,(g) + H,0(g)

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Balancing Chemical Equations: An Exercise**

**Objective:** Balance the chemical equation using the smallest possible whole number stoichiometric coefficients.

**Equation to Balance:**

\[ \text{C}_8\text{H}_{18}(l) + \text{O}_2(g) \rightarrow \text{CO}_2(g) + \text{H}_2\text{O}(g) \]

The unbalanced equation shows the combustion of octane (C₈H₁₈) into carbon dioxide (CO₂) and water (H₂O).

**Instructions:**

1. **Identify Each Element:** Count the number of atoms of each element on both sides of the equation.

2. **Apply the Law of Conservation of Mass:** Ensure that the number of atoms for each element is equal on both the reactant and product sides.

3. **Use Coefficients:** Adjust the coefficients (numbers placed before compounds/molecules) to balance the equation.

**Interactive Tools:**

- **Icons provided:** 
  - A rectangular icon for selecting coefficients.
  - An arrow icon for proceeding to the next step.
  - A circular arrow icon for resetting.
  - A question mark for hints or more information.

This exercise helps reinforce the principles of chemical reactions, stoichiometry, and the conservation of mass in a visually interactive way.
Transcribed Image Text:**Balancing Chemical Equations: An Exercise** **Objective:** Balance the chemical equation using the smallest possible whole number stoichiometric coefficients. **Equation to Balance:** \[ \text{C}_8\text{H}_{18}(l) + \text{O}_2(g) \rightarrow \text{CO}_2(g) + \text{H}_2\text{O}(g) \] The unbalanced equation shows the combustion of octane (C₈H₁₈) into carbon dioxide (CO₂) and water (H₂O). **Instructions:** 1. **Identify Each Element:** Count the number of atoms of each element on both sides of the equation. 2. **Apply the Law of Conservation of Mass:** Ensure that the number of atoms for each element is equal on both the reactant and product sides. 3. **Use Coefficients:** Adjust the coefficients (numbers placed before compounds/molecules) to balance the equation. **Interactive Tools:** - **Icons provided:** - A rectangular icon for selecting coefficients. - An arrow icon for proceeding to the next step. - A circular arrow icon for resetting. - A question mark for hints or more information. This exercise helps reinforce the principles of chemical reactions, stoichiometry, and the conservation of mass in a visually interactive way.
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