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    Thermal Expansion

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    thermal expansion for temperatures between about 18 kelvin and 120 kelvin.[2] [edit]Factors Unlike gases or liquids‚ solid materials tend to keep their shape when undergoing thermal expansion. Thermal expansion generally decreases with increasing bond energy‚ which also has an effect on the hardness of solids‚ so‚ harder materials are more likely to have lower thermal expansion. In general‚ liquids expand slightly more than solids. The thermal expansion of glasses is higher compared to that of crystals [3]

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    Emulsions Lab Report

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    The main purpose of this lab is to explain what emulsifiers and emulsions are and how emulsifiers affect emulsion stability. An emulsion is a mix of to or more liquids that usually do not mix together. One liquid is evenly dispersed in small droplets throughout the other liquid. Many emulsions contain water as one of the phases. There are two different types of emulsions. One type of emulsion contains oil droplets that are dispersed within water. It is considered oil in water emulsion. The other

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    Experiment 2&3 Recrystallization and Melting Points Determinantion of Benzoic Acid Abstract In experiment 2‚ recrystallization was used to purify the crude benzoic acid extracted from a mixture during experiment 1. Then a percent recovery for this recrystallization process was calculated. In experiment 3‚ the melting point ranges of the crude and purified benzoic acid were both determined by using Melt Temp Apparatus. Introduction Recrystallization is a purification technique for non-volatile

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    the same melting point. 8. Increased intermolecular hydrogen bonding does increase the melting point. It causes the boiling point to be elevated since the molecules are more attracted to each other and thus require more energy to break from the liquid phase. 9. Physical constants |

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    Water and Corn Syrup

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    solution has a detergent added to it to relax the surface tension of the water‚ allowing it to have more elastic‚ stretchy properties. Now it can act more like the skin of a balloon‚ stretching out nice and thin‚ trapping air inside of the bubble like a liquid balloon. What do you need to make a good bubble solution at home? The basic ingredients are water and detergent. In this experiment‚ you will add glycerin or corn syrup to see if they can help you make better bubbles. Which solution will make the

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    Constant Density: Displacement of Zinc and Tin Introduction: Density is the concentration of molecules within an object on relation to its size. The formula for measuring density is mass/volume. In the experiment preformed for this lab report‚ calculating the density of a regular object (a wooden block) and two other irregular objects (zinc and tin) were found by a process known as water displacement. The purpose of this experiment was to prove that the density of an object remains the same

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    Mr BOPAPE

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    solid dosage forms upon exposure to liquids into small fragments‚ which promotes rapid drug dissolution. The disintegration process for a tablet occurs in two steps. Firstly‚ the liquids wet the solid and penetrates the pores of the tablets. Thereafter the tablet breaks into smaller fragments. Disintegrants to be used in plain tablets are classified into: Disintegrants that facilitate water uptake -These disintegrants act by facilitating the transport of liquids into the pores of the tablet may

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    The purpose of this lab was to observe the rate of osmosis and diffusion‚ as well as the effect of molecular size of the particles on this rate. Part I of the lab was a demonstration of osmosis and diffusion‚ that dealt with raisins in different liquid environments‚ each with a different concentration of sugar. Part IV of the lab was using the same idea as the demonstration‚ by putting objects in different concentrations of a substance; in this case elodea leaves in salt water. In both cases‚ the

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    Life as a Water Molecule

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    Hi‚ my name is water molecule! H2O for short. I live in the bottom of a well. I come from 2 hydrogen atoms‚ but I have an oxygen atom in me! Down here in my well‚ we have a swell time together. In our liquid state‚ we are not too far apart‚ nor too packed together. It’s really great being a liquid! I feel bad for my cousin CO2. He is probably sublimating into a gas from a solid‚ or as a gas‚ freezing back into a solid. He has no melting point‚ only a freezing and boiling point. I’m SO glad I will

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    duration. Using cloudy groundbaits or boilie crumb can draw those carp down to your chosen hookbait much quicker from all layers of the water. Essentially attracting the carp not feeding them‚ so it means you will possibly get more bites. Liquids/oils Like crumb‚ liquids are great

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