time how long it takes it to dissolve in the water. 3. Then we need to make the temperature go up then we need to drop the Alka-Seltzer in the water again and see how long it takes it to dissolve with the new temperature. 4. Now we need 16oz of water at 25 degrees Celsius. 5. Drop one Alka-Seltzer in the water and record how long it takes it to dissolve. 6. Then you need to change the temperature of the water and add one Alka-Seltzer and see how long it takes for it to dissolve.
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gas volume‚ usually cubic metres (m3)‚ e.g. 200 mg/m3 or using ppm without any reference‚ e.g. 140 ppm Please note Because of the variation of a gas volume with temperature and pressure changes it is necessary to use one of the following alternatives for describing a concentration value: additional specification of gas temperature and pressure values existing during measurement or conversion of the measured concentration value into the corresponding value at standard zero conditions‚ see the
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I. Pascal’s Principle: ✓ The pressure applied on one part of container with fluid is transmitted equally in all directions. ✓ Pressure on one side is equal to the pressure on the other side of hydraulic press and lift Pascal Law: “The pressure exerted anywhere in a mass of confined liquid is transmitted undiminished in all directions throughout the liquid.” Equation for Pascal’s Principle: P1 = P2 F1 = F2 A1 A2 Problems: 1. The large piston in a hydraulic
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Weather are Wind‚ Temperature‚ Moisture and Air Pressure. 2. What are the three states of water? The three states of water are solid‚ liquid and Gas. 3. Explain the differences between solid‚ liquid‚ gas- how much energy is being used? What are the particles doing? The difference between solid‚ liquid and gas is Solid has low energy and is cold‚ liquid is medium energy and is warm and gas has a high energy and is hot. The particles in a solid are a slow movement‚ cold temperature and the particles
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C hapter 1 MATTER IN IN OUR SURROUNDINGS As we look at our surroundings‚ we see a large variety of things with different shapes‚ sizes and textures. Everything in this universe is made up of material which scientists have named “matter”. The air we breathe‚ the food we eat‚ stones‚ clouds‚ stars‚ plants and animals‚ even a small drop of water or a particle of sand– each thing is matter. We can also see as we look around that all the things mentioned above occupy space‚ that is
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substance‚ a solid in this case‚ signifies the temperature at which the first crystal starts to melt until the temperature at which the last crystal disappears is reached. That being said‚ melting points are expressed in ranges‚ am organic compound will have a sharp range depending on the purity of the compound. Impurity of an organic substance will register an abnormal melting point based on its expected propensity observed‚ this will cause the temperature range to widen. Using this hypothesis‚ mixed
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6. Measure and record the temperature of the water in the plastic-foam cup and of the water in the boiling bath. This temperature should be recorded to one decimal place. 7. Create a hole on another foam cup on the center
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Title: The effect on temperature on beet cell membranes. Introduction A cell membrane or plasma membrane is very important in protecting cells. A cell membrane is a thin layer that protects the cells. The membrane is filled with lipids and proteins. The cell membrane protects the cell from ions and molecules that enter and exit the cells. I hypothesize that at -5 degrees Celsius‚ the color intensity will be a 1. I hypothesize that at 5 degrees Celsius‚ the color intensity will be a 2
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opaque material and has a diameter D = 8m and length L = 14m. At a particular time‚ the heliostats direct a concentrated solar flux of q”S = 80 kW/m2 onto the receiver. The ambient air has a temperature T( = 300K and there is no wind. Under these conditions‚ the surface of the receiver has a temperature of Ts = 700K‚ an emissivity of ( = 0.3 and a solar absorptivity (S = 0.8. i) Calculate the heat loss from the vertical surface of the receiver due to convection. Assume effects of curvature
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F UNDAMENTALS OF T HERMODYNAMICS SEVENTH EDITION CLAUS BORGNAKKE RICHARD E. SONNTAG University of Michigan John Wiley & Sons‚ Inc. PUBLISHER ASSOCIATE PUBLISHER ACQUISITIONS EDITOR SENIOR PRODUCTION EDITOR MARKETING MANAGER CREATIVE DIRECTOR DESIGNER PRODUCTION MANAGEMENT SERVICES EDITORIAL ASSISTANT MEDIA EDITOR COVER PHOTO Don Fowley Dan Sayre Michael McDonald Nicole Repasky Christopher Ruel Harry Nolan Hope Miller Aptara® Corporation Inc. Rachael Leblond Lauren Sapira c Corbis Digital
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