2.2 Water
IB Syllabus Statements
Understandings:
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Water molecules are polar and hydrogen bonds form between them.
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Hydrogen bonding and dipolarity explain the cohesive, adhesive, thermal and solvent properties of water.
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Substances can be hydrophilic or hydrophobic.
Applications and skills:
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Application: Comparison of the thermal properties of water with those of methane.
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Application: Use of water as a coolant in sweat.
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Application: Modes of transport of glucose, amino acids, cholesterol, fats, oxygen and sodium chloride in blood in relation to their solubility in water.
Videos
Polarity of Water and Hydrogen Bonds
Properties of Water and Benefits
Properties of Water
Comparing Water and Methane
Water as Blood Tranport
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We're Hexagon-na make connections!
Topic 2.2 Water HookED SOLO Hexagons
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Outline how polarity and hydrogen bonds are related in water molecules.
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Explain the cohesive, adhesive, thermal, and solvent properties of water based on hydrogen bonding and dipolarity.
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Compare the terms hydrophilic and hydrophobic.
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Compare the thermal properties of water with methane. Why is this comparison significant?
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Explain the use of water as a coolant in sweat.
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Outline a benefit to living organisms for each of the following properties of water: cohesive, adhesive, thermal, solvent
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What are the criteria that can be used to distinguish scientific claims from pseudoscientific claims?