Republic of the Philippines DEPARTMENT OF EDUCATION REGIONAL SCIENCE HIGH SCHOOL FOR REGION I Division of La Union Bangar‚ La union Effectiveness of Snail shell (Nassariusmutabilis) asAdditive in Chalk Making Proponents: FERNAN MACUSI GERALD JAVAR (IV- Europium) ROGELIO C. VALDEZ (Research Adviser) Abstract Table of Contents Title……………………………………………………………………………………….…i Abstract…………………………………………………………………………………......ii
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Abstract In this experiment‚ the Ksp for calcium sulfate dihydrate‚ CaSO4·2H2O‚ by titrating 4 times a calcium sulfate dihydrate solution with diprotic EDTA‚ H2(EDTA)2-. For each trial we found the Ksp by means of molarities and activities. The results for the Ksp using only molarities was very different than the Ksp using activities. The average Ksp using molarity only was 2.26 x 10-4 and the average Ksp using activity turned out to be 2.31 x 10-5. The actual Ksp however‚ is 3.14 x 10-5. A percent
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setting time of the gypsum product you selected? To accelerate the setting time of the gypsum product I selected‚ first I will try to use a “fast set” gypsum if it is available at the office‚ since it has accelerators placed into the gypsum and lower the setting time. If this is not an option at the office because there is only “regular set”‚ I would use a longer and more rapid spatulation of gypsum‚ increase the temperature of the mixing water‚ and will add the particles of set gypsum by scraping the
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characteristics of Gypsum it had a practical use. In ancient Egyptian times the Alabaster form of gypsum was used to help build pyramids. Fast forward a few centuries to the 18th century‚ the chemical properties were defined‚ by a chemist named Lavoisier. As the world began exploring during the 18th century‚ large deposits of gypsum were found near Paris‚ France. The French began to use gypsum as building materials as well as decorative material by dehydrating gypsum. Dehydrating gypsum helped to chemically
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desulfurization gypsum dryer is specialized developed for gypsum podwer on the base of the technology of rotary dryer and food wok machine. It is mainly consists of steel machine base‚ wok‚ frying pan which has scatter plate‚ stock guide‚riding ring and transmission mechanism.This drying machine is specialized developed for frying semi-hydrated gypsum powder and architectural gypsum podwer on the base of the technology of rotary dryer and food wok machine.According to different heat transfers‚ gypsum processing
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This piece from the Metropolitan Museum of Art‚ titled‚ Gypsum Alabaster‚ is a relief panel from roughly around c. 883-859 BCE. The panel was made in Ancient Mesopotamia during the reign of the Assyrians and was originally on the walls of the Plance of Nimrod almond side of many other relief carvings. The work was carved out from a light-colored stone so the figure protrudes from the work. However‚ the carving is shallow so the figure only sticks out of the rock slightly. There are several lines
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this mineral is fluorite‚ but I am not complete sure. Fluorite and gypsum | | | |are both white‚ shiny‚ have white streaks‚ cleave‚ and show no reaction to acid. However‚ the | | | |specific gravity of this mineral is 3.18‚ which is higher than gypsum‚ so I am pretty sure it | |
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"http://biblioteca.universia.net/autor/Gourav‚%20K.html"‚ Studies‚ 2007. Fly ash is being utilized in the blended cements‚ additive for concrete and manufacturing of concrete blocks and bricks. Fly ash-lime-gypsum bricks are being manufactured and marketed throughout the country. The literature review on fly ash-lime-gypsum (FALG) mixtures as intended to manufacture bricks or blocks for masonry applications indicates several gaps in understanding the various aspects of the technology. The present thesis is an
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Great Answer Professionally Researched. (What’s this?) Plaster is a substance mainly used in building and construction. There are three main types of plaster--lime plaster‚ gypsum plaster and plaster of Paris‚ a type of gypsum plaster with a variety of uses. The name "plaster of Paris" is taken from the gypsum mines that were worked in the city of Paris starting in the Middle Ages. Main Difference One main difference between plaster of Paris and other types of plaster is the ingredients used and
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are numbered to conceal their identities‚ but the minerals will include seven of those listed below. To help you identify them‚ refer to the Mineral Identification Job Aid. • Borax • Calcite • Corundum • Graphite • Gypsum • Orthoclase feldspar • Pyrite • Quartz • Talc • Topaz 4. Post Part 1‚ Part 2‚ and Part 3 in this worksheet as an attachment to your Assignment Section. Delete the introductory instructions in this worksheet
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