QUESTION IMAGE
Question
- the force of cohesion and adhesion working together to pull water up a plant (1 point)
density
condensation
capillary action
surface tension
- what causes surface tension? (1 point)
cohesion
adhesion
capillary action
density
- what is the attraction of water to itself called? (1 point)
adhesion
cohesion
specific heat
selfie love
- most all of the unique properties of water are all caused by (1 point)
ionic bonds between ions
h bonds due to polarity
h bombs dropped from planes
uniform sharing of electrons in the molecule
Question 1
Brief Explanations
To solve this, we analyze each option:
- Density: Mass per unit volume, not related to water movement in plants.
- Condensation: Phase change from gas to liquid, irrelevant here.
- Capillary action: Defined as the combined effect of cohesion (water - water attraction) and adhesion (water - surface attraction) that pulls water up narrow tubes (like plant xylem). This matches the description.
- Surface tension: Related to the "skin - like" surface of water due to cohesion, not the upward pull in plants.
Brief Explanations
- Cohesion: Attraction between like molecules (water - water). Surface tension is the result of cohesive forces at the water's surface, as water molecules at the surface are pulled inward by cohesive forces from below.
- Adhesion: Attraction between different molecules (e.g., water - glass), not the cause of surface tension.
- Capillary action: A result of both cohesion and adhesion, not the cause of surface tension.
- Density: Mass - volume relationship, not related to surface tension.
Brief Explanations
- Adhesion: Attraction between different substances (e.g., water and a plant's xylem wall).
- Cohesion: By definition, it is the attraction of a substance to itself. For water, cohesion is the attraction between water molecules.
- Specific heat: The amount of heat required to change the temperature of a substance, not related to attraction.
- Selfie love: A non - scientific, humorous distractor.
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C. capillary action