compounds conduct electricity as: (3 points) Link: http://antoine.frostburg.edu/chem/senese/101/compounds/faq/print-properties-ionic-vs-covalent.shtml Solids? No Liquids? Yes Aqueous solutions (when the ionic compounds are dissolved in water)? Yes Do covalent compounds conduct electricity as: (3 points) Solids? no Liquids? No Aqueous solutions (when the covalent compounds are dissolved in water)? No Substance Melting
Free Ionic bond Chemical bond Covalent bond
experiments). 1.1 MEASUREMENT OF THE DENSITY OF A LIQUID 1.1.1 Objective The density of a liquid is to be measured using a hydrometer. 1.1.2 Theory A hydrometer uses the principle of buoyancy to determine the specific gravity of a liquid. Here‚ the weight of the hydrometer (set by the metal spheres in its bulb) is balanced by the buoyancy force exerted by the liquid in which it is immersed. The buoyancy force is the weight of the liquid displaced by the solid. Figure 1.1 presents the working
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“Salt”. DO not add anything to the third cup. Mark that cup “Control.” Cover the three cups and store them in a warm place. 3. Observe the cups after two‚ three‚ and four days. Compare how clear the liquid is in different cups. 4. Which cup has the clearest liquid? Which cup has the cloudiest liquid? Record
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pressure transmitted out to the surface or envelope of the liquid‚ but within the fluid itself the particlesare all pressed together. When a solid is immersed in the liquid it is pressed at every point of its surface in the direction perpendicular to the surface at that point.(3) In every horizontal layer throughout the liquid the pressure per unit area is the same; and this is the case independently of the shape of any vessel in which the liquid may be contained. The pressure per unit area in any horizontal
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This is defined as a substance dispersed evenly throughout another substance. A colloid consists of two phases in its entire substantial form which are a dispersed phase of the solution and a continuous phase. A colloidal system may be solid‚ liquid or gaseous in form. Some colloids are translucent which causes particles to be scattered throughout the colloid‚ whilst other colloids may be opaque or have a slight color. PROPERTIES (Particle Visibility‚ Particle Distribution‚ Filterability
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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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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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assumed to be negligible. Variables and Parameters: ‚ Mass of bulk liquid; ‚ heat capacity; ‚ Temperature of bulk liquid; ‚ flow rate of heat transfer fluid in jacket; ‚ heat capacity of heat transfer fluid in jacket; ‚ jacket inlet temperature; ‚ jacket outlet temperature‚ ‚ overall heat transfer coefficient times area. Balance Equations: where‚ Pilot Plant Data: The following data relating bulk liquid temperatures to the jacket temperature is available from pilot plant tests
Free Heat transfer Heat Temperature
Sound A. What is the definition of Sound? Sound is everything that a person‚ animal or computer can hear. It can be created in a countless number of ways and occurs from anything as simple as tapping on a table. All sounds are a series of vibrations that travel through a medium in all possible directions. The cause of sound is the vibration of an object; once the item vibrates the sound waves then radiate outwards until they are either stopped or they die out. A sound wave has three characteristics:
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