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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changes: 3. Synthesis a) Solidification: From Liquid phase to Solid phase 4. Precipitate b) Fusion: From Solid phase to Liquid phase c) Condensation: From Gas phase to Liquid phase d) Evaporation: From Liquid phase to Gas phase e) Deposition: From Gas phase to Solid phase f) Sublimation: From Solid phase to Gas phase Example: Freezing water will change its phase from liquid to solid. The particles will slide over each other until the temperature gets
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masses and volumes of solids and liquids b. To calculate the densities of solids and liquids c. To calculate the specific gravities of solids and liquids d. To calculate the volume of a rectangular object and to express the volume in volume metric units e. To record data and calculate the values in the correct number of significant figures MATERIALS: 10 mL graduate balance test tube rack unknown liquid 50 mL graduate test tube 100 mL beaker assorted solid objects Dropper pipette
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Detailed Lesson Plan in Science IV (Soil Erosion) I. Learning Objectives a. Identify the agents of soil erosion. b. Explain how each agents cause erosion. c. Perform related activities enhancing knowledge about soil erosion. d. Enumerate ways and means on how to help prevent soil erosion. II. Subject Matter a. Topic: Soil Erosion b. References: c. Concepts: Soil Erosion and its Effects d. Sciences Processes: Observation‚ Experimenting‚ Analysing e. Materials: 2 large
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represents the mass contained within a unit volume of space in the sample. For most samples‚ a unit volume means 1.0 ml. The units of density‚ therefore‚ are quoted in terms of grams per milliliter (g/ml) or grams per cubic centimeter (g/cm3) for most solid and liquid samples of matter. Density is often used as a point of identification in the determination of an unknown substance. The density of the unknown might be used to distinguish the unknown from a list of known substances. It is very unlikely for
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------------------------------------------------- Mixture From Wikipedia‚ the free encyclopedia For other uses‚ see Mix (disambiguation). | This article needs additional citations for verification. Please help improve this article byadding citations to reliable sources. Unsourced material may be challenged and removed.(December 2012) | In chemistry‚ a mixture is a material system made up of two or more different substances which are mixed but are not combined chemically. A mixture refers to
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covalent compounds? What is the reason for this difference in melting points? (3 points) 2. Do ionic compounds conduct electricity as: (3 points) a. Solids? b. Liquids? c. Aqueous solutions (when the ionic compounds are dissolved in water)? 3. Do covalent compounds conduct electricity as: (3 points) a. Solids? b. Liquids? c. Aqueous solutions (when the covalent compounds are dissolved in water)? Part II: Lab Insert completed data tables for each part of the lab. Be sure that
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Catie Bates 10/22/2014 Physical Science Physical Changes I like physical changes more than chemical changes. Some reasons are‚ physical change is "easily" reversible‚ how liquids can become solid and vice versa‚ the solid disappears but just the application of heat can boil the water off and get the salt back in the same form. Therefore‚ I like physical changes more than chemical changes. I like physical changes more than chemical changes because physical change is "easily" reversible because
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