Water: A Limited Resource Chapter 14. The Importance of Water Objectives: 1.Describe how the...
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Transcript of Water: A Limited Resource Chapter 14. The Importance of Water Objectives: 1.Describe how the...
![Page 1: Water: A Limited Resource Chapter 14. The Importance of Water Objectives: 1.Describe how the structure of water molecules accounts for the many important.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5517b0e55503463e368b5f79/html5/thumbnails/1.jpg)
Water: A Limited Resource
Chapter 14
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The Importance of Water
Objectives:
1. Describe how the structure of water molecules accounts for the many important characteristics of water.
2. Describe the distribution of water throughout the Earth
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The Importance of Water
Water:
• shapes continents
• moderates our climate
• is essential for all living organisms
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The Importance of Water
Our Supply of Fresh Water
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The Importance of Water
Properties of Water
Composition and polarity
Hydrogen bonding properties
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The Importance of Water
Unique properties:
•Water has a high melting point (0oC) and a high boiling point (100oC)
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The Importance of Water
Unique properties:
•Water has a high specific heat•It can absorb or release large amounts of energy without its temperature changing significantly
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The Importance of Water
Unique Properties:
•Water has high heat of vaporization
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The Importance of Water
Unique properties:
•Water is the “universal solvent”
Chemical composition of seawater
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The Importance of Water
Unique Properties:
•Liquid water becomes less dense as it warms•Ice is less dense than liquid water
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The Importance of Water
The Hydrologic Cycle
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The Importance of Water
Types of water:
• surface water
• runoff
• drainage basin (watershed)
• groundwater
• aquifers
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The Importance of Water
Aquifers