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C: 30.29%, H: 2.54%, other element: 67.17% IRANSTLEIHNLETZT 4000 Relative Intensity 100 80- O 20- HS-NU-4404 Otth 25 3000 50 руб 2000 75 m/z NAVENUMBER 100 1500 125 150 1000 500

C: 30.29%, H: 2.54%, other element: 67.17% IRANSTLEIHNLETZT 4000 Relative Intensity 100 80- O 20- HS-NU-4404 Otth 25 3000 50 руб 2000 75 m/z NAVENUMBER 100 1500 125 150 1000 500

Chemistry
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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Use the unknown to solve. Label the peaks. 

**Elemental Composition:** - Carbon (C): 30.29% - Hydrogen (H): 2.54% - Other Element: 67.17% **Graph Explanations:** 1. **Mass Spectrometry Graph (Top):** - **X-Axis (m/z):** Represents the mass-to-charge ratio of ions. - **Y-Axis (Relative Intensity):** Shows the abundance of ions at each m/z value. - The graph displays several peaks, with a prominent peak at a low m/z value, indicating the presence of a major ion. 2. **Infrared (IR) Spectroscopy Graph (Middle):** - **X-Axis (Wavenumber, cm⁻¹):** Frequency of infrared light absorbed by the sample. - **Y-Axis (Transmittance, %):** Amount of light passing through the sample. - The graph shows multiple peaks and valleys indicating the various functional groups within the molecule, with significant absorption in specific regions. 3. **Nuclear Magnetic Resonance (NMR) Spectroscopy Graph (Bottom):** - **X-Axis (ppm):** Chemical shift in parts per million, representing different hydrogen environments in the sample. - Peaks are labeled as "2H, d" and "1H, t," indicating coupling patterns and the number of hydrogen atoms. - **Text:** "The J-values here are very small (2 Hz), indicating long-range coupling (more than 1 C away)." This suggests the hydrogen atoms are experiencing coupling over a longer distance across the molecule, possibly due to specific structural features.
Transcribed Image Text:**Elemental Composition:** - Carbon (C): 30.29% - Hydrogen (H): 2.54% - Other Element: 67.17% **Graph Explanations:** 1. **Mass Spectrometry Graph (Top):** - **X-Axis (m/z):** Represents the mass-to-charge ratio of ions. - **Y-Axis (Relative Intensity):** Shows the abundance of ions at each m/z value. - The graph displays several peaks, with a prominent peak at a low m/z value, indicating the presence of a major ion. 2. **Infrared (IR) Spectroscopy Graph (Middle):** - **X-Axis (Wavenumber, cm⁻¹):** Frequency of infrared light absorbed by the sample. - **Y-Axis (Transmittance, %):** Amount of light passing through the sample. - The graph shows multiple peaks and valleys indicating the various functional groups within the molecule, with significant absorption in specific regions. 3. **Nuclear Magnetic Resonance (NMR) Spectroscopy Graph (Bottom):** - **X-Axis (ppm):** Chemical shift in parts per million, representing different hydrogen environments in the sample. - Peaks are labeled as "2H, d" and "1H, t," indicating coupling patterns and the number of hydrogen atoms. - **Text:** "The J-values here are very small (2 Hz), indicating long-range coupling (more than 1 C away)." This suggests the hydrogen atoms are experiencing coupling over a longer distance across the molecule, possibly due to specific structural features.
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