Lecture 7 Water, Heat, and Climate

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

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1 Exam I Wednesday, September 16th Study Guide: Today Review Session: Monday Water, Heat, and Climate Heat capacity 1C a l g . o C It requires 1 calorie of heat input
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2 Temperatures of large standing bodies of water remain relatively constant. Heat Capacity Sun Warms water Low pressure cools Florida Sand Asphalt Vegetation Gulf of Mexico Atlantic Ocean Vaporization and Condensation How much heat?
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3 Quantified by Latent Heat Amount of heat added or removed from water to effect a phase change. Liquid Gas 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 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 Liquid Gas 580 cal/g Conservation of Energy 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? 1000 g
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Lecture 7 Water, Heat, and Climate - Exam I Wednesday,...

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