propellant as fine droplets or particles upon the actuation of a valve. AL Any other liquid A liquid not yet designated by a specific code‚ to be applied undiluted. AP Any other powder A powder not yet designated by a specific code‚ to be applied undiluted. BR Briquette Solid block designed for controlled release of active ingredient into water. CB Bait concentrate A solid or liquid intended for dilution before use as a bait. CP Contact powder Rodenticidal or
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the solution became clear and there was some grey solids in the tube as well. We poured the solution in tube R‚ leaving the grey solids behind‚ into tube P‚ which has the boiling chip‚ and the solution turned from clear to a light yellow. After "washing" the grey
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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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States of Matter Jun Ruan Solid Molecules are tighly packed and harder than liquids and gases. Examples: Ice‚ Coal‚ Salt Amorphous solid-a solid which has a disordered atomic structure. Examples: Glass‚ Rubber Liquids flowing freely but of constant volume. Examples: Water‚ Mercury‚ Alcohol Viscosity-a measure of its resistance to gradual deformation by shear stress or tensile stress. Surface tension-the force that acts on the surface of a liquid and tends to minimize the surface
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temperature in both scenarios. First‚ imagine an endothermic reaction (heat is on the reactants side where the solid is). Increasing the temperature would result in stress on the reactants side from the additional heat. Le Châtelier’s Principle predicts that the system would shift towards the product’s side in order to alleviate this stress. By shifting towards the product’s side‚ more of the solid is dissociated when equilibrium is again established - which equates to increased solubility. Second‚ imagine
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hydroxide‚ NaOH (aq). | changed consistency‚ gel-like | 5. Heated the mixture | becomes darker‚ dark-brown-like‚ shavings | 6. Filtered the solid and added sulfuric acid‚ H2SO4 (aq)‚ to it. | sulfuric acid cleans off the copper | 7. Added zinc‚ Zn (s). | bubbles‚ zinc turns white | 8. Poured off liquid and rinsed | reddish specs‚ blue-ish liquid | Materials * 250 mL beaker * 100 mL beaker * 2 graduated pipettes * 50 mL graduated cylinder * Funnel and filter paper
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caffeine was isolated from tea leaves. This was done through solid-liquid extraction followed by multiple liquid-liquid extraction. Then crude material obtained was then purified by sublimation. The isolated caffeine was subjected to thin layer chromatography (TLC) together with a standard caffeine. The Rf value obtained for both isolated caffeine and standard caffeine was 0.24. Keywords: solid-liquid extraction‚ multiple liquid-liquid extraction‚ sublimation‚ thin layer chromatography‚ percent
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Classification of Wastes A. Solid Waste B. Liquid Waste C. Sludge D. Hazardous Waste I. Waste Management A. Waste Management in Developed Nations 1. Solid Waste A) Landfills B) Recycling C) Incineration 2. Liquid Waste A) Management Plans B) Waste Water Treatment Facilities C) Injection Wells 3. Hazardous Waste A) Landfill B) Incineration B. Waste Management in Developing Nations 1. Solid Waste A) Landfills B) Recycling C) Incineration 2. Liquid Waste A) Management
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A critical point happens when a substance has a high enough temperature and pressure that both liquid and gas can exist at the same time. This state is called a critical point. Now‚ when a state of matter changes from one state to another is called a phase shift. Phase shifts are extremely important and most commonly observe phase shifts daily. For an example‚ when water freezes into ice‚ or the water in the shower turns to steam. To begin to start describing how a phase shift works we must understand
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matter are gas‚ solid‚ and liquid. 3. What is matter made up of? Matter is made up of tiny particles. 4. Compare and contrast the movement of particles in solids‚ liquids‚ and gases. Solids: They move back and forth. They do not change places with each other‚ and they have a definite shape. Liquids: Changes shape‚ does not have a definite shape‚ takes up a definite amount of space‚ and will take up the shape. The particles are not held together the way they are in a solid. They move by
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