distillation‚ first consider what happens upon heating a liquid. At any temperature‚ some molecules of a liquid possess enough kinetic energy to escape into the vapor phase (evaporation) and some of the molecules in the vapor phase return to the liquid (condensation). An equilibrium is set up‚ with molecules going back and forth between liquid and vapor. At higher temperatures‚ more molecules possess enough kinetic energy to escape‚ which results in a greater number of molecules being present in the vapor
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Sean Byrne Teacher Biology Honors 13 August 2014 Unit 1 Chapter 3 1) a. Monomers are small‚ simple molecules that when put together create carbon compounds‚ and polymers are molecules that consist of repeated units. b. Functional groups are made of clusters of atoms‚ while macromolecules are large polymers. c. A monosaccharide is a simple sugar‚ but a disaccharide is known as a double sugar‚ or two monosaccharaides. d. Long chains of amino acids are called polypeptides‚ and proteins are composed
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storms‚ which are warm water and moist‚ warm air. Hurricanes occur when the moist‚ warm air from the surface of the ocean rises and meets the cooler air. When the moist‚ warm air condenses and forms storm clouds and raindrops. Heat releases and the condensation process begin. It goes through a cycle that causes the humid air from the ocean surface to rise and join the storm that is forming. The cycle of exchanging heat continues and wind pattern is created that moves in a spiral fashion around the center
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Some of the Pre-Socratic philosophers were rational and some were not. When Thales determined that the main principle element was water‚ he rationalized from his observance that the main ‘nutriment’ in all things is moist and that water is the origin of moisture. He rationalizes that heat itself is generated from moisture which he was most likely referring to humidity in the air. He observes that even our very breath contains moisture. Another point he ties together is that the world is held
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Stage Cells of the inferior aspect of each tooth bud proliferate forming a larger‚ more expanded structure‚ the cap. The cap is known to be composed of an epithilially derived enamel organ‚ which is separated by the basement membrane‚ from the condensation of ectomesenchymal cells knows as dental papilla The Bell Stage The bell stage is also termed as the differentiation stage. Mitotic activity of the enamel organ enlarges this structure and forms a new cell layer which is called the stratum
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air _What is saturation? What mathematical relationships are true at saturation? 1. Saturation: an atmospheric condition where level of water vapor is the maximum possible at the existing temp and pressure; equal rates of evaporation and condensation a. Air is not a “sponge”- air is NOT so “full of water” that there is no room for anything else; molecules very far apart b. Most of an air molecule is empty space _What is relative humidity? How can it
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The Earth as a Rotating Planet. What is Geography- writing about the earth. 1. Much more than place names and locations. 2. The study of spatial variation. 3. How and Why things differ from place to place. On the surface of the earth. 4. How observable spatial patterns evolved through time. 5. Focus on the interaction of people and social groups with their environment 6. Geography is about space and the content of space. Geographers try to answer three questions
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Cloud Types Common cloud classifications Clouds are classified into a system that uses Latin words to describe the appearance of clouds as seen by an observer on the ground. The table below summarizes the four principal components of this classification system (Ahrens‚ 1994). Latin Root | | Translation | | Example | cumulus stratus cirrus nimbus | | heap layer curl of hair rain | | fair weather cumulus altostratus cirrus cumulonimbus | Further classification identifies clouds
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1. Energy transfer by heating * Infrared Radiation * Surfaces and Radiation * States of matter * Conduction * Convection * Evaporation and condensation * Energy Transfer by design * Specific heat capacity * Heating and insulation buildings 2. Using Energy * Forms of energy * Conservation of energy * Useful energy * Energy and efficiency 3. Electrical Energy * Electrical Appliances * Electrical Power * Using electrical energy
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Biology Revision summer 2012 1-Characteristics of living organisms Nutrition- taking in of nutrients which are organic substances and mineral ions ‚ containing raw materials or energy for growth and tissue repair ‚ absorbing and assimilating them . Excretion- the removal from organisms of toxic material‚ the waste products of metabolism and substances in excess of requirement . Respiration- the chemical reactions that break down the Sensitivity- The ability to detect or sense changes in the
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