7 Water, Heat, and Climate

7 Water, Heat, and Climate - Exam I Wednesday September...

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Exam I Wednesday, September 16th Study Guide: Today Review Session: Monday
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Water, Heat, and Climate
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Heat capacity 1 Cal g . o C It requires 1 calorie of heat input to raise the temperature of 1 g of water by 1 degree Celsius
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Temperatures of large standing bodies of water remain relatively constant. Heat Capacity
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Sun Warms water Low pressure cools Florida Sand Asphalt Vegetation Gulf of Mexico Atlantic Ocean
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Vaporization and Condensation How much heat?
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Quantified by Latent Heat Amount of heat added or removed from water to effect a phase change. Liquid Gas
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Latent Heat of Vaporization Amount of heat added to water to change it from a liquid to a gas. Liquid Gas 580 cal of heat added for each gram of water 580 cal/g
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Water 580 cal/g Ammonia 350 cal/g Alcohol 215 cal/g Acetone 133 cal/g Latent Heats of Vaporization Amount of heat input to the liquid to change it to a gas
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Latent Heat of Condensation Amount of heat removed from gaseous water to change it from a gas to a liquid. Liquid Gas 580 cal of heat removed for each gram of water 580 cal/g
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Liquid Gas 580 cal/g Conservation of Energy
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Heat required to vaporize or condense 1 g of water = 580 cal How much heat is needed to evaporate or condense 1 L of water?
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