Alright. So here we have an example problem that wants us to fill in the blank in this sentence using one of these 4 potential answer options down below. And the example problem says, cohesion, surface tension, and adhesion are properties of water molecules that blank. And option a says increases with temperature. Now in our last lesson video, we never mentioned that these properties, cohesion, surface tension, and adhesion, will actually increase with temperature, and in fact, this is not going to be true. So we can eliminate option a for that reason. Option b says that it will increase with pH, and once again, we never mentioned this in our previous lesson videos, and this is simply not going to be true. So now we're between either option c or option d, and option c says, are a result of non-polar covalent bonding. But, of course, we know from our previous lesson videos that water molecules are held together using polar covalent bonds, not non-polar covalent bonds, and so the non-polar here makes this part false. And so, of course, this only leaves option d here as the correct answer, and so cohesion, surface tension, and adhesion are all properties of water molecules that are a result of hydrogen bonding. And so option d here is the correct answer to this practice problem. And really, it's the hydrogen bonding that water molecules are capable of forming that allow water to have cohesive and adhesive properties and to create a relatively high surface tension. And so this here concludes this example problem, and I'll see you all in our next video.
Table of contents
- 1. Introduction to Biology2h 40m
- 2. Chemistry3h 40m
- 3. Water1h 26m
- 4. Biomolecules2h 23m
- 5. Cell Components2h 26m
- 6. The Membrane2h 31m
- 7. Energy and Metabolism2h 0m
- 8. Respiration2h 40m
- 9. Photosynthesis2h 49m
- 10. Cell Signaling59m
- 11. Cell Division2h 47m
- 12. Meiosis2h 0m
- 13. Mendelian Genetics4h 41m
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- Mendel's Experiments26m
- Mendel's Laws18m
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- Test Crosses14m
- Dihybrid Crosses20m
- Punnett Square Probability26m
- Incomplete Dominance vs. Codominance20m
- Epistasis7m
- Non-Mendelian Genetics12m
- Pedigrees6m
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- 14. DNA Synthesis2h 27m
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- Glucose's Impact on Lac Operon25m
- The Trp Operon20m
- Review of the Lac Operon & Trp Operon11m
- Introduction to Eukaryotic Gene Regulation9m
- Eukaryotic Chromatin Modifications16m
- Eukaryotic Transcriptional Control22m
- Eukaryotic Post-Transcriptional Regulation28m
- Eukaryotic Post-Translational Regulation13m
- 17. Viruses37m
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- 19. Genomics17m
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- 22. Evolution of Populations3h 52m
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- 27. Protists1h 12m
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- 32. Vertebrates50m
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- 42. Osmoregulation and Excretion50m
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- 44. Animal Reproduction2m
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- 48. Ecology3h 11m
- Introduction to Ecology20m
- Biogeography14m
- Earth's Climate Patterns50m
- Introduction to Terrestrial Biomes10m
- Terrestrial Biomes: Near Equator13m
- Terrestrial Biomes: Temperate Regions10m
- Terrestrial Biomes: Northern Regions15m
- Introduction to Aquatic Biomes27m
- Freshwater Aquatic Biomes14m
- Marine Aquatic Biomes13m
- 49. Animal Behavior28m
- 50. Population Ecology3h 41m
- Introduction to Population Ecology28m
- Population Sampling Methods23m
- Life History12m
- Population Demography17m
- Factors Limiting Population Growth14m
- Introduction to Population Growth Models22m
- Linear Population Growth6m
- Exponential Population Growth29m
- Logistic Population Growth32m
- r/K Selection10m
- The Human Population22m
- 51. Community Ecology2h 46m
- Introduction to Community Ecology2m
- Introduction to Community Interactions9m
- Community Interactions: Competition (-/-)38m
- Community Interactions: Exploitation (+/-)23m
- Community Interactions: Mutualism (+/+) & Commensalism (+/0)9m
- Community Structure35m
- Community Dynamics26m
- Geographic Impact on Communities21m
- 52. Ecosystems2h 36m
- 53. Conservation Biology24m
3. Water
Properties of Water- Cohesion and Adhesion
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Properties of Water- Cohesion and Adhesion practice set
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