Experiment 2 Theory Evaporation is the process whereby atoms or molecules in a liquid state gain sufficient energy to enter the gaseous state. The thermal motion of a molecule must be sufficient to overcome the surface tension of the liquid in order for it to evaporate‚ that is‚ its kinetic energy must exceed the work function of cohesion the surface. Evaporation therefore proceeds more quickly at higher temperature and in liquids with lower surface tension. Since only a small proportion of the molecules
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the this understanding‚ we can do tricks to amaze people who see the liquid inside the container as one mixture. B4. Delimitations/Limitations of the project/study 1. Use ordinary oil‚ water‚ fizzy tablet‚ food coloring‚ bottle and flashlight 2. Requires dark room to show the bubbling effect. B5. Review of related literature A multiphasic liquid is a mixture consisting of more than two immiscible liquid phases. Biphasic mixtures consisting of two immiscible phases are very
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PROPERTIES OF SOLUTIONS A solution is a mixture of materials‚ one of which is usually a fluid. A fluid is a material that flows‚ such as a liquid or a gas. The fluid of a solution is usually the solvent. The material other than the solvent is the solute. We say that we dissolve the solute into the solvent. Some solutions are so common to us that we give them a unique name. A solution of water and sugar is called syrup. A solution of sodium chloride (common table salt) in water is called brine
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used to cool hot vapors or liquids Test Tube A small cylindrical glass used for heating small amounts of liquid open at the top‚ usually with a rounded U-shaped bottom. Test tubes are widely used by chemists to hold‚ mix‚ or heat small quantities of solid or liquid chemicals Evaporating Dish A porcelain used in evaporating chemical solutions Evaporating dishes are used to evaporate excess solvents Beaker Thin glass vessel used as container and heating liquids It is used for stirring
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depending on the ground’s height above sea level. Boiling When a liquid vaporises. Capillary action When water is drawn up between close fitting surfaces. Compression force A crushing force. Condensation When a gas turns into a liquid. Conduction Method by which solids transfer heat. Convection Method by which liquids and gases transfer heat. Corrosion The deterioration of metals that occurs on contact with liquids. Ductility Ductility is the ability of a material to withstand distortion
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fuel tank‚ and a LV-T45 liquid fuel engine. After that we used three symmetry tool and placed radial decouplers as low as possible and placed AV-R8 winglets on it as low as possible as well. We used decouplers because we want it to detach on our way back and used winglets because it makes best landing‚ they are light‚ and they will not band or fall off. After that we added decoupler to the bottom of our rocket. Then we moved three radial decouplers one stage up and moved liquid engine one stage down
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of layers of liquids of different densities which do not mix with each other‚ and which are clearly distinguishable from each other. The highest density material is at the bottom of the column‚ and as you proceed up the column‚ the density of each successive layer decreases‚ with the lowest density layer on top. Three methods for construction of a five-layer density column are discussed in this write-up. All methods use the same five liquids. • Method 1 gives the names of the liquids and the order
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the liquid state‚ they can occur in all three main phases‚ gas‚ liquid‚ and solid. For example‚ the water in the air is a liquid solute dissolved in a gas solvent; solid solutions include brass‚ which is made from combining zinc with copper 3. Describe two examples of colloids (see Table 132). A colloid consists of small particles 1nm to 1000nm in size that are suspended in a solid‚ liquid or gas. Examples include common products such as gel‚ a solid network extending throughout a liquid‚ or
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Solvent: A liquid substance capable of dissolving other substances c. Mixture: a substance consisting of two or more substance mixed together d. Solution: A homogeneous mixture of two or more substances e. Emulsion: a colloid in which both phases are liquids f. Suspension: a mixture in which fine particles are suspended in a fluid where they are supported g. Colloidal dispersion: a colloid that has continuous liquid phase in which a solid is suspended in a liquid. 5. How
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the gas‚ liquid‚ or solid phase. In order to separate or remove one or more of the component from its original mixture‚ it must be contacted with another phase. The two-phase pair can be gas-liquid‚ gas-solid‚ liquid‚ or liquid-solid. Absorption When the two contacting phases are a gas and a liquid. A solute A or several solutes are absorbed from the gas phase into a solid phase. Distillation A volatile vapor phase and a liquid phase that vaporizes are involved. Liquid-liquid Extraction
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