Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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I need the answers for the liquid and asymmetrical
**Substance Properties and Polarity**

| Substance      | Formula | Structure          | Molecular Weight | Melting Point (°C) | Boiling Point (°C) | State of Matter at Room Temp (22°C) | Shape/ Symmetry | Polar or Nonpolar? |
|----------------|---------|--------------------|------------------|--------------------|-------------------|-------------------------------------|-----------------|---------------------|
| Water          | H₂O     | ![Water Structure](diagram) | 18.02            | 0                  | 100               | Liquid                              | Asymmetrical    | Polar               |
| Ammonia        | NH₃     | ![Ammonia Structure](diagram) | 17.01            | -78               | -33               | Colorless                           | Asymmetrical    | Polar               |
| Methane        | CH₄     | ![Methane Structure](diagram) | 16.05            | -182.4            | -161.5            | Gas                                 | Symmetrical     | Nonpolar            |
| Oxygen gas     | O₂      | ![Oxygen Gas Structure](diagram) | 32.00            | -218.4            | -183             | Gas                                 | Symmetrical     | Nonpolar            |
| Nitrogen gas   | N₂      | ![Nitrogen Gas Structure](diagram) | 28.02            | -210              | -196             | Gas                                 | Symmetrical     | Nonpolar            |
| Carbon dioxide | CO₂     | ![Carbon Dioxide Structure](diagram) | 44.01            | -56.5             | -78.5            | Gas                                 | Symmetrical     | Nonpolar            |

**Building Understandings:**

20. *What do melting and boiling points (high vs low melting and boiling points) tell us about attractions between molecules?*

High melting and boiling points indicate strong attractions between molecules, while low melting and boiling points suggest weaker attractions. Analyzing these points can reveal information about molecular interactions and stability.
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Transcribed Image Text:**Substance Properties and Polarity** | Substance | Formula | Structure | Molecular Weight | Melting Point (°C) | Boiling Point (°C) | State of Matter at Room Temp (22°C) | Shape/ Symmetry | Polar or Nonpolar? | |----------------|---------|--------------------|------------------|--------------------|-------------------|-------------------------------------|-----------------|---------------------| | Water | H₂O | ![Water Structure](diagram) | 18.02 | 0 | 100 | Liquid | Asymmetrical | Polar | | Ammonia | NH₃ | ![Ammonia Structure](diagram) | 17.01 | -78 | -33 | Colorless | Asymmetrical | Polar | | Methane | CH₄ | ![Methane Structure](diagram) | 16.05 | -182.4 | -161.5 | Gas | Symmetrical | Nonpolar | | Oxygen gas | O₂ | ![Oxygen Gas Structure](diagram) | 32.00 | -218.4 | -183 | Gas | Symmetrical | Nonpolar | | Nitrogen gas | N₂ | ![Nitrogen Gas Structure](diagram) | 28.02 | -210 | -196 | Gas | Symmetrical | Nonpolar | | Carbon dioxide | CO₂ | ![Carbon Dioxide Structure](diagram) | 44.01 | -56.5 | -78.5 | Gas | Symmetrical | Nonpolar | **Building Understandings:** 20. *What do melting and boiling points (high vs low melting and boiling points) tell us about attractions between molecules?* High melting and boiling points indicate strong attractions between molecules, while low melting and boiling points suggest weaker attractions. Analyzing these points can reveal information about molecular interactions and stability.
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