Lec19+Water+I - Properties of Water Chapter 5 The Water We...

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Properties of Water Chapter 5: The Water We Drink
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Important Properties of Water Property Effects and Significance Excellent solvent (salts, gases, etc.) Facilitates transport of chemical species (nutrients, waste) throughout the biosphere Maximum density at 4 o C Ice Floats Higher heat of vaporization than any other material Determines transfer of heat as water cycles between atmosphere and surface Higher heat of fusion than any other liquid except ammonia Stabilizes temperature at freezing point Higher heat capacity than any other liquid except ammonia Stabilizes temperature of organisms and the geosphere Transparent to visible radiation Allows light needed for photosynthesis to reach Earth’s surface “Triple point” is near Earth’s temperature/pressure range All three forms (gas, liquid, solid) exist on Earth
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Are electrons in a chemical bond equally shared?
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Electronegativity is a measure of an atom’s attraction for the electrons it shares in a covalent bond.
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Lec19+Water+I - Properties of Water Chapter 5 The Water We...

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