Determine the % atom economy for the production of 1-bromobutane from 1-butanol (reaction shown below). Assuming it is a one-step reaction. H3C-CH2-CH2-CH2-OH + NaBr+ H2SO4 – H3C-CH2-CH2-CH2-Br+ NaHSO,+ H20 Answer:

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### Determining the % Atom Economy

The % atom economy is an important concept in green chemistry. It measures the efficiency of a chemical reaction in terms of how well atoms are utilized in the desired product. Higher atom economy means a more efficient and environmentally friendly process.

**Problem:**
Determine the % atom economy for the production of 1-bromobutane from 1-butanol. Assume it is a one-step reaction, given by the following chemical equation:

\[ \text{H}_3\text{C-CH}_2\text{-CH}_2\text{-CH}_2\text{-OH} + \text{NaBr} + \text{H}_2\text{SO}_4 \rightarrow \text{H}_3\text{C-CH}_2\text{-CH}_2\text{-CH}_2\text{-Br} + \text{NaHSO}_4 + \text{H}_2\text{O} \]

**Answer:**

Enter your answer in the space provided below:

\[ \boxed{ \quad \quad \quad } \]

### Steps to Solve:
1. **Identify the desired product**: In this reaction, the desired product is 1-bromobutane (H₃C-CH₂-CH₂-CH₂-Br).
2. **Calculate the molar masses** of all reactants and products.
3. **Determine the total mass of reactants**: Sum the molar masses of H₃C-CH₂-CH₂-CH₂-OH, NaBr, and H₂SO₄.
4. **Calculate the mass of the desired product**: The molar mass of 1-bromobutane (H₃C-CH₂-CH₂-CH₂-Br).
5. **Use the formula for % Atom Economy**:
   \[
   \% \text{Atom Economy} = \left( \frac{\text{Molar Mass of Desired Product}}{\text{Total Molar Mass of Reactants}} \right) \times 100
   \]

By applying these steps, students can determine the % atom economy for the given reaction, fostering a greater understanding of the principles of green chemistry.
Transcribed Image Text:### Determining the % Atom Economy The % atom economy is an important concept in green chemistry. It measures the efficiency of a chemical reaction in terms of how well atoms are utilized in the desired product. Higher atom economy means a more efficient and environmentally friendly process. **Problem:** Determine the % atom economy for the production of 1-bromobutane from 1-butanol. Assume it is a one-step reaction, given by the following chemical equation: \[ \text{H}_3\text{C-CH}_2\text{-CH}_2\text{-CH}_2\text{-OH} + \text{NaBr} + \text{H}_2\text{SO}_4 \rightarrow \text{H}_3\text{C-CH}_2\text{-CH}_2\text{-CH}_2\text{-Br} + \text{NaHSO}_4 + \text{H}_2\text{O} \] **Answer:** Enter your answer in the space provided below: \[ \boxed{ \quad \quad \quad } \] ### Steps to Solve: 1. **Identify the desired product**: In this reaction, the desired product is 1-bromobutane (H₃C-CH₂-CH₂-CH₂-Br). 2. **Calculate the molar masses** of all reactants and products. 3. **Determine the total mass of reactants**: Sum the molar masses of H₃C-CH₂-CH₂-CH₂-OH, NaBr, and H₂SO₄. 4. **Calculate the mass of the desired product**: The molar mass of 1-bromobutane (H₃C-CH₂-CH₂-CH₂-Br). 5. **Use the formula for % Atom Economy**: \[ \% \text{Atom Economy} = \left( \frac{\text{Molar Mass of Desired Product}}{\text{Total Molar Mass of Reactants}} \right) \times 100 \] By applying these steps, students can determine the % atom economy for the given reaction, fostering a greater understanding of the principles of green chemistry.
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