MARN 1002 Lecture Notes - Fall 2018 Lecture 8 - Silt, The Universal Solvent (comics), Latent heat
20 Sep 2018
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Document Summary
Calorie defined as the amount of heat needed to heat 1g of water 1 . Water freezes at 0 and boils at 100 . The only substance on earth that occurs naturally as gas, liquid, and solid. Transition between states caused by addition or removal of heat. Specific heat of water is highest of all common liquids. Prevents large variations in surface temperature in the ocean and atmosphere. Takes 80 calories to transform water from solid to liquid (and vice versa) 80 calories for melting of 1 g ice at 0 to water at 0 . 100 calories to heat 1 g water from 0 to 100 . 540 calories to transfer 1 g water at 100 to vapor. Takes 540 calories to transform water from liquid to gas (and vice versa) Results in the release of heat during freezing and the absorption of heat during melting.
