Question

Water flows freely but does not separate into individual molecules because water is a. cohesive. b. hydrophilic. c. hydrophobic. d. adhesive

Name: Problem 6, Chapter 2: Human Biology
Uploaded: 2021-03-19T10:26:15-08:00
Duration: 51 s
Channel: Joanna Quigley
Description: Water flows freely but does not separate into individual molecules because water is a. cohesive. b. hydrophilic. c. hydrophobic. d. adhesive

   Water flows freely but does not separate into individual molecules because water is
a. cohesive.
b. hydrophilic.
c. hydrophobic.
d. adhesive

Human Biology

Sylvia S. Mader,… 14th Edition

Chapter 2, Problem 6

Instant Answer

Solved by Expert Joanna Quigley

03/19/2021

Step 1

Cohesive means the tendency of similar molecules to stick together. Hydrophilic means having an affinity for water. Hydrophobic means repelling water. Adhesive means the tendency of different substances to stick together. Show more…

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Water flows freely but does not separate into individual molecules because water is a. cohesive. b. hydrophilic. c. hydrophobic. d. adhesive

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Key Concepts

Cohesion

Cohesion is the attractive force between molecules of the same substance. In liquids like water, cohesive forces result from intermolecular attractions, primarily hydrogen bonds, which keep the molecules together and allow the liquid to flow as a unified whole.

Hydrogen Bonding

Hydrogen bonding is a strong type of dipole-dipole interaction that occurs when a hydrogen atom attached to an electronegative atom (such as oxygen) is attracted to another electronegative atom in a neighboring molecule. In water, this bonding is responsible for the significant cohesive forces that prevent the liquid from dispersing into separate molecules.

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