71°C 3. Determine the mass of the water by using the water’s density (specific to the initial temperature) and the volume of the water. Remember‚ density =mass/volume. You can look up the density of the water at your specific temperature at http://www.ncsu.edu/chemistry/resource/H2Odensity_vp.html. (5 points) Density =mass/volume. Density of water according to NCSU: 0.9972995 g/mL Volume of water: 75.0 g/mL Find mass: Mass = Density * Volume Mass = 0.9972995 g/mL * 75.0
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E:\CC_Software\Workbench\CC-MW-CD\part2\phasechange\page3.cml 1. Record the average number of dashed lines there are per atom of each liquid. the average number of dashed lines are 3-4 per atom 2. Describe the motion of atoms and molecules in a liquid. the atoms are tight and compact‚ they bounce off of each other. they generally dont leave a certain section of the liquid‚ and stay in the same area. 3. How far do the atoms in a liquid appear to travel? Press the "Randomly pick an atom and show its trajectory" button‚ take a snapshot
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improves‚ the colloid component increases and the cohesive force rises. Soluble glass solution can be mixed with water in any proportion. Different amount of water will lead to solutions of different density and viscosity. For the soluble glass solutions with the same module‚ the higher the density is‚ the stronger the cohesive force is. If urea is added into soluble glass‚ its cohesive force can be improved without modifying the viscosity. Soluble glass also has strong acid corrosion that can resist
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Subject:Chemistry Topic:States Of Matter What is matter? Matter is anything that has mass and occupies space. All matter can exist in three(3)states. There are: solid‚ liquid and gas. In addition‚ all matter is made up of particles: atoms‚ molecules and ions. Solids In the solid state state‚ the particles are packed closely together in a regular manner. The focus of attraction between these particles are very strong and as a result solids are usually very hard and very difficult to compress
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Filtration is a mechanical or physical process to separate solid particulates from fluids Filtration is a technique used to separate a solid from a liquid. The solid is separated from the liquid phase by passing the mixture over a filtering media. Filtering media is characterized by being chemically inert to the mixture‚ and having small pathways for the liquid to pass through‚ but these pathways should be smaller than the solid particle size. Filtering media can be prepared using paper‚ fritted-glass
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insoluble solid. 3. Decantation. This separates a liquid from an insoluble solid by carefully pouring the liquid from the solid without disturbing the solid. 4. Filtration. This separates a solid from a liquid through the use of a porous material as a filter. Paper is a good filter. Filters allow the liquid to‚ pass through but not the solid. 5. Evaporation. This is the process of heating a mixture in order to drive off a volatile liquid and make the remaining component dry. The mixture
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First 10 minutes all the liquids are still not frozen. Second 10 minutes all of the liquids are starting to freeze around the edges. Third 10 minutes water is almost completely ice on the surface‚ Sprite is half ice on the surface and Mello Yello‚ Orange Fanta‚ Coca Cola are still just ice around the edges. Fourth 10 minutes water is almost fully frozen‚ Sprite is not quite completely frozen on the top‚ Coca Cola‚ Mello Yello‚ Orange Fanta are all slushy. Fifth 10 minutes water is really close to
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jar in a sunny spot.) Strain the mixture through a coffee filter or paper towel. Leave the strained alcohol in a small covered dish. When the alcohol evaporates‚ the remaining liquid is the orange oil. Mix the orange oil with the Styrofoam. The Styrofoam will then break down into a thin liquid form. Take the resulting liquid‚ which will amount to an orange scented glue and pour into a jar. Label it well as "Glue" before you put it away‚ so you and your household will know what it is later. D.
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Water Chemical formula- H2O State at room temperature- Liquid Colour- Clear Melting point- 0oC Boiling point- 100oC Water- good solvent and a range of substances will dissolve in it. What happens when a sugar lump dissolves in water? When the sugar dissolves... -The moving water molecules crash into the sugar particles -The sugar particles then break away from the crystal and into the water -The sugar and water particles then mix and diffuse evenly throughout. Copper sulphate-
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OIL SPILL PROJECT NO.6 Statement of Problem: In this project‚ the goal is to apply the knowledge of fluid dynamics in order to determine the effect of two parameters (oil density and volume fraction) on how long will it take for an oil drop to rise a distance of 1m in an oil/water distribution. Data: The following information was provided; | |Water | | | | | | | |
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