In the beginning salt water and regular water got along. They all lived in the same ocean and each droplet would live in harmony. They shared the undersea environment with all the fish and sea plants. Some plants and animals needed salt water more than fresh water and some needed fresh water more than salt water. This is where the problem all started. The fresh water began to become jealous because the salt water was mocking the fresh water about them being the best type of water. It started out
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SHORT INTRODUCTION TO TWO-PHASE FLOWS Condensation and boiling heat transfer Herv´ Lemonnier e DM2S/STMF/LIEFT‚ CEA/Grenoble‚ 38054 Grenoble Cedex 9 Ph. +33(0)4 38 78 45 40‚ herve.lemonnier@cea.fr herve.lemonnier.sci.free.fr/TPF/TPF.htm ECP‚ 2011-2012 HEAT TRANSFER MECHANISMS • Condensation heat transfer: – drop condensation – film condensation • Boiling heat transfer: – Pool boiling‚ natural convection‚ ´bullition en vase e – Convective boiling‚ forced convection‚ • Only for pure fluids. For mixtures
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BOILING AND CONDENSATION BOILING • Phase change phenomenon where in transformation of liquid to vapour occurs at the saturation temperature of the fluid. It occurs at a solid/liquid interface due to convection heat transfer from the solid and usually occurs at surface temperatures higher than the saturation temperature of the fluid Agitation of fluid by vapor bubbles provides large convection coefficients Modified Newton’s law of cooling qs’’ h Ts Tsat Te • • • BOILING – CLASSIFICATON
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sauce for five minutes. Now it is time to add spices and salt. This will flavor the sauce and make it taste good. Then cook the sauce for another minute. Then you can add the water and bring it to a boil. After the water boils‚ you need to burn down the fire so that the chicken and sauce can simmer. Let it simmer for 20 to 30 minutes. Then it is time to add two cups of rice. Let the rice and sauce simmer. Cook this until all the water is absorbed by the rice. This will take about 15 minutes
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evaporate rapidly.For example‚ water level in a container with hot water decreases earlier than that of a container with cold water.This is because hot water evaporates earlier than hot water. Itermolecular Forces: If intermolecular forces are stronger‚ molecules face difficulty in evaporation. For example‚ water has strong intermolecular forces than alcohol‚therefore alcohol evaporates faster than water. (2) Vapour
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The Effect Salt Water Has On Radish Plant Growth By: Collins Azubuike
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put in salt water? Purpose: I want to know why the egg floats in fresh water and not salt water. I want to know if the egg will float in salt water‚ Also this shows why materials float easier in saltwater and sink in freshwater. Research: Since the egg’s density is higher than the density of freshwater the egg will sink. Density is mass per unit volume‚ which means a measure of how much mater is in a certain volume. If you add enough salt the egg will float again. The salt makes the water denser
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Erica Mitchell Mr. Vredenburgh Period 5 52/55 The Effect of Carbon Dioxide on Salt Water Abstract Background: The human population strongly relies on the oceans for food‚ transportation‚ recreation‚ climate regulation‚ and half of the Earth’s oxygen. These oceans‚ that we rely so heavily on‚ are becoming more acidic and less hospitable‚ making ocean acidification the world’s second most important atmospheric carbon problem. This carbon is released into the atmosphere by burning fossil fuels
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growth was for water treated B.pumilus and the lowest mean root growth was the salt water treated control. Water treated V.paradoxus has a higher mean root growth compared with salt water‚ with a high margin of error. B.pumilus has the largest difference between root growth between water treated and salt water treated. (Table 1) Table 1: Individual results of Brassica mean root growth (mm). These were treated with Bacillus pumilus and Variovorax paradoxus under water and salt water (100mM‚ NaCl)
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of positive and negative charges that are useful in order to conduct energy. Simultaneously‚ we have also found out that saltwater conducts energy because of the solid salt it contains and when it is dissolved into water‚ the elements sodium and chloride from the salt separate or break up because of the very reactive traits of water (H2O)‚ thus‚ causing the production of positive and negative ions that are able to carry energy and consequently conducting electricity. The particular
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