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    Orifice Plate Essay

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    Definition: An orifice plate is a device that is used for the measurement of flow rate for reducing pressure or for the restricting flow. An orifice plate is a thin plate with a hole in it, which is usually placed in a pipe. When a fluid (either liquid or gaseous) passes through the orifice, its pressure builds up slightly upstream of the orifice. But as the fluid is forced to converge to pass through the hole, the velocity increases & the fluid pressure decreases. Orifice Plate is the heart of…

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    Ice Melt Fastest

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    I. Science fair Question What material will make ice melt fastest? II. Background Research Did you ever wonder what makes ice melt fastest? This research paper is going to talk about how ice melt works. Terms that will be discussed in this paper will include freezing point, Phrases of matter, freezing point depression, and solution. Freezing point is the point when water turns into ice (What Makes Ice Melt Fastest). If you have ever lived in a cold climate, you have most likely have seen…

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    which is one minute, and the amount of liquid in each can which is 10 mL. We also had confounding variables which are variables that the researcher failed to control, or eliminate, damaging the internal validity of an experiment. Some confounding variables in our experiment are the temperature in the can when we flip it because we actually couldn’t tell what it was, and the fact that we couldn’t control the fact that there should be exactly 10 mL of the liquid in the can because no matter what…

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    INTRODUCTION Chemically and thermodynamically foam is an unstable, dispersed system of entrapment of gaseous molecules in solid or liquid matter. Instability of foam is caused generally due to coalescence, liquid drainage and disproportion of bubbles. Foam being aqueous system can be produced using surfactants available commercially. The types of surfactants used in preparation of aqueous foam influence the foam properties (Eisner et al., 2007; Bhakta and Ruckenstein, 1995). Successful foam…

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    the temperature at which a solid becomes a liquid (Bruice 2014). On the molecular level, when a compound melts the forces between the molecules become weaker. This is because when a substances heats up the kinetic energy between the molecules increase causing the molecules to vibrate. When the vibrations become strong enough for the molecules to move around and pass other molecules, the compound that is being heated up starts to melt and become a liquid. In this lab, five different ratios of…

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    he process of injecting liquid at high pressure into subterranean rocks, boreholes, and more is called Fracking. Many people say fracking causes earthquakes because fracking occurs underground. Fracking could be dangerous in some ways. Modern fracking began in the nineties. A hydraulic fracturing and combined with horizontal drilling. Fracking is the reason why America is having an energy revolution right now. Fracking is letting the U.S. tap vast oil and natural gas reserves that…

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    Investigative Question Does sugar or salt effect the freezing point and period of time that water takes to freeze? Hypothesis If you add either sugar or salt to water it will affect the freezing point of the water and will therefor take longer to freeze. Aim The aim of the project is to prove whether or not adding sugar and salt to water will affect the freezing point of the water and will therefor take longer to freeze. Variables Independent Variables: the independent variables are the amount…

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    The meniscus, also stated before, gave the students a measuring problem in the beginning, when filling up the graduated cylinder to 100 mL. In Lab Debrief Part One, we discussed this situation and later found out that the meniscus was a curve of the liquid and could be either convex or concave. An observation in the experiment was when the pennies were displacing both water and milk, which created convex meniscus; this was the effect of surface tension. Surface tension was a large aspect of our…

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    Why Slime Is A Colloid

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    One of the most unusual substances in chemistry, slime blurs the line between solid and liquid stages of matter. Slime and other substances like it are common in the average everyday life today, and yet are almost unnoticed. Slime is a colloid, a substance that shares both liquid and solid traits. Many colloids are polymers, which are a certain type of molecule. Although slime may seem simple, in reality it is quite complex in the microscopic standpoint. Slime can also be referred to as a…

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    Note this: do not use regular magnets because they do not have the strength to attract the slime. Mix the liquid starch and iron oxide powder in the bowl and stir with the craft sticks until they are mixed perfectly. Add the glue and keep stirring. Take the slime out and start squishing until it is perfectly mixed together. You may wear gloves to avoid staining…

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