Chemistry
10th Edition
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
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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Transcribed Image Text:**Chemical Structures Overview**
1. **Structure 1: Propanoic Acid**
- This molecule features a carboxylic acid group, represented by the formula \( \text{C}_2\text{H}_5\text{COOH} \).
- The central carbon is bonded to a hydroxyl group (\(-\text{OH}\)) and a double-bonded oxygen (\( \text{O}=\)).
2. **Structure 2: Cyclopentanol**
- This molecule is a cyclic alcohol, shown as a five-membered carbon ring with a hydroxyl group (\(-\text{OH}\)) attached to one of the carbons.
- The structural formula is typically represented as \( \text{C}_5\text{H}_{10}\text{O} \).
3. **Structure 3: Hexane**
- This linear chain consists of six carbon atoms linked together, represented by the formula \( \text{C}_6\text{H}_{14} \).
- It is a simple alkane with no functional groups or double bonds.
4. **Structure 4: Butylamine**
- This molecule features a primary amine group (\(-\text{NH}_2\)) attached to a four-carbon alkyl chain.
- The structural formula is \( \text{C}_4\text{H}_9\text{NH}_2 \).
Each of these chemical structures showcases different functional groups and molecular shapes that form the basis for understanding organic chemistry.

Transcribed Image Text:**Activity Instructions: Arrange the Acids**
**Objective:**
Organize the provided acids in order of their pKa values, from lowest to highest.
**Layout:**
1. **Header:** "1st Attempt"
- This section signals that you are starting your first attempt at arranging the acids correctly.
2. **Instructions:**
- "Arrange the acids shown from lowest pKa to highest pKa."
- Focus on identifying and comparing the strength of the acids based on their pKa values.
3. **Interactive Section:**
- "Question List (4 images)"
- Action: You need to drag and drop each acid structure into the appropriate sequence based on their pKa.
4. **Chemical Structure Provided:**
- A depicted chemical structure: a carboxylic acid derivative featuring a central carbon atom double-bonded to an oxygen (O), single-bonded to a hydroxyl group (OH), and connected to two other groups. Note the presence of the functional group, which affects acidity.
**Note:**
This exercise tests your understanding of acid strength and pKa values. Utilize your knowledge of molecular structure and how it influences acidity to complete the task.
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