Electronegativity and Polarity (Here's a link to an Electronegativity Chart) 8. What is electronegativity, and might differences in electronegativity help us determine if a pond is polar or nonpolar (or ionic)?
Electronegativity and Polarity (Here's a link to an Electronegativity Chart) 8. What is electronegativity, and might differences in electronegativity help us determine if a pond is polar or nonpolar (or ionic)?
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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Please answer for question 17 and 18
![Certainly! The text from the image is transcribed below as it might appear on an educational website:
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**16.** Is mineral oil a symmetrical molecule? Does it have partial charges?
No, mineral oil is not a symmetrical molecule because much of the carbon is in sp3 hybridization. Yes, it has partial charge due to the presence of hydroxyl (-OH) group.
**17.** Think back to lesson 3 and when we put drops of liquids on pennies. Could we get many drops of oil to stick on a penny? What can we infer about attractions between mineral oil molecules? Do we think it is a polar molecule?
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**Electronegativity and Polarity** (Here's a link to an [Electronegativity Chart])
**18.** What is electronegativity, and might differences in electronegativity help us determine if a bond is polar or nonpolar (or ionic)?
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**19.** The data table below shows molecular weight, melting point, and boiling point for several covalent compounds. Complete the table by filling in the last three columns. Use the melting and boiling points to determine what state of matter each substance will be at room temperature. Use the diagram of the compounds to determine symmetry. As for the last column, infer polarity from the data presented. If unclear, you can use the [electronegativity values] to see if the difference between bonded atoms is great enough to indicate 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? |
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There are no graphs or diagrams needing further explanation in this section.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe1eb3209-ef50-4b39-ac07-da0ba9817959%2F1ff2aacf-f8d7-49f6-841f-36f3dadeb679%2Fq6tbvp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Certainly! The text from the image is transcribed below as it might appear on an educational website:
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**16.** Is mineral oil a symmetrical molecule? Does it have partial charges?
No, mineral oil is not a symmetrical molecule because much of the carbon is in sp3 hybridization. Yes, it has partial charge due to the presence of hydroxyl (-OH) group.
**17.** Think back to lesson 3 and when we put drops of liquids on pennies. Could we get many drops of oil to stick on a penny? What can we infer about attractions between mineral oil molecules? Do we think it is a polar molecule?
---
**Electronegativity and Polarity** (Here's a link to an [Electronegativity Chart])
**18.** What is electronegativity, and might differences in electronegativity help us determine if a bond is polar or nonpolar (or ionic)?
---
**19.** The data table below shows molecular weight, melting point, and boiling point for several covalent compounds. Complete the table by filling in the last three columns. Use the melting and boiling points to determine what state of matter each substance will be at room temperature. Use the diagram of the compounds to determine symmetry. As for the last column, infer polarity from the data presented. If unclear, you can use the [electronegativity values] to see if the difference between bonded atoms is great enough to indicate 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? |
---
There are no graphs or diagrams needing further explanation in this section.
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