Topic: POLARITY OF WATERMaterials: Balloon or combRunning WaterProcedure:Rub the inflated balloon or comb in a piece of woolly or soft cloth.To check if the balloon or comb is ready, hold it close to your hair. If it attracts strands of hair, then you may proceed to the next step. If not, rub it again on the cloth.Hold the balloon or comb near a small stream of running water (e.g. water coming from a faucet)Observe what happens to the water.Briefly answer the following:What is the importance of water’s polar characteristic to the environment? to living organisms?In the context of polarity of molecules, what does the statement “Like dissolves like” mean?Can you predict a compound’s polarity by dissolving it in water? Why?

When one portion of a molecule is slightly positive or slightly negative in relation to another…

Answered: What is the importance of water’s polar…

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter24: Biochemistry

Section: Chapter Questions

Problem 20PS: If a drop of oleic acid is added to a dish of water, the oleic acid will spread out and form a layer...

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Topic: POLARITY OF WATER

Materials: Balloon or comb

Running Water

Procedure:

Rub the inflated balloon or comb in a piece of woolly or soft cloth.
To check if the balloon or comb is ready, hold it close to your hair. If it attracts strands of hair, then you may proceed to the next step. If not, rub it again on the cloth.
Hold the balloon or comb near a small stream of running water (e.g. water coming from a faucet)
Observe what happens to the water.

Briefly answer the following:

What is the importance of water’s polar characteristic to the environment? to living organisms?
In the context of polarity of molecules, what does the statement “Like dissolves like” mean?
Can you predict a compound’s polarity by dissolving it in water? Why?

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