day a black crystal fell from the sky and impacted itself into the ground. No one thought anything of it as crystals of all shapes‚ sizes‚ and color always landed on Crystone so they just continued on normally. There was only one gem who thought the black crystal was weird and his name was Diop. Everyday he would walk past the crystal and examine it wondering what it was about. People would pause and tell him that he is worrying over nothing but he was not so sure about that as the crystal made him
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deionized water. Next‚ for Water of Hydration section‚ obtain a few crystals of hydrated copper(II) sulfate‚ describe their appearance on the data sheet. Then place the crystals into an evaporating dish‚ place a watch glass over the top of the dish and heat to drive off the water. Move the
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important to let this cool down slowly so impurities don’t get trapped in between the crystals. After 20 minutes the crystals were filtered out using a vacuum filter method. The crystals were carefully removed from the filter paper and weighted. These crystals were dried out for a period of 2 weeks‚ to later get a melting point. The MSDS value was compared with the experimental value to verify purity of the crystals Page | 1 Recrystallization of Benzoic acid Chemistry 204-002 Date: 4/9/2011
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After doing this‚ we allowed the solution to cool to room temperature before placing it in an ice bath to form crystals. About 15 minutes after placing the solution on ice‚ small‚ white-colored crystals began to form on the bottom of the solution. We then performed a vacuum filtration using the Buchner funnel‚ allowing us to separate the crystals and the solution. After the crystals were filtered out of the solution‚ we dried and weighed them. In order to determine the melting point of our unknown
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p-Toluenesulphonic acid started forming. Figure 2 show the wet crystal after the precipitated salt was being filtered by suction. The wet crystal was light purple in colour. Figure 3 show the end product after drying the wet crystal at 105°C in the drying cabinet (oven). The end product that we got is a black liquid instead of the expected white crystal. Analysis and Conclusion of Observations We did not manage to get the dry crystal as our end product. Instead we got a black liquid as our end product
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industrial crystallization is to match the changing and growing product requirements across all industrial sectors (pharmaceutical‚ chemical‚ process industries‚ food‚ nutrition and agro-chemistry) by controlling the crystal morphology‚ size distribution and polymorphism. The crystal size and shape of particles affects the dissolution rate‚ which affects the drugs in terms of benefit verses
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AP Chemistry Analysis of Alum * Purpose: * In this lab we performed several tests to determine if our crystals were actually aluminum potassium sulfate. * Procedures: * Materials: * Chemicals: * Aluminum potassium sulfate‚ 2.5 g * Equipment – Part 1: * 150 mL beaker * Bunsen burner * 2 capillary tubes * Mortar and pestle * Notched stopper to hold thermometer *
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Wei Yee Yoona Tan Hui Yee Crystal Chong An An Pontianak Angel Tan Angel Thye Yang Kang Aces Narrator: Scene 1‚ 5 college students decide to go for a trip to Genting Highland. On their way to Genting Highland‚ they had loads of conversation and story sharing. Eventually‚ they started talking about the gamblers who committed suicide. Sam: Hey Aces yo‚ do you know what annoy me most? Aces: What? (Feeling annoyed) Sam: The gamblers in the casino….. Crystal: (Interrupt) What about them
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Fat Bandit‚ Fiery Globe | Blazing Crystal | Crescendo‚ Crimson Jazz | ------------------+-----------------------------------------------------------+ Bright Shard | Bulky Vendor (CAPSULE PRIZE)‚ Creeper Plant‚ Hook Bat‚ | | Soldier | Bright Stone | Aeroplane‚ Bulky Vendor (RARE CAPSULE)‚ Driller Mole‚ | | Luna Bandit‚ Silver Rock‚ Tornado Step | Bright Gem | Aerial Knocker‚ Bulky Vendor (LIMITED CAPSULE)‚ | | Surveillance Robot | Bright Crystal | Air Pirate‚ Bulky Vendor (PRIME CAPSULE)
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The reporting party (RP) met with former resident Crystal Espinoza while in her current placement with Helen Torres 6315 Tobago Ct.‚ Bakersfield CA 93313 (661) 716-1104 facility #909432827 FFA Legacy Behavioral Services. During the interview Crystal disclosed that at her prior placement with foster parents Dianna and Raymundo Morales she was treated inappropriately. The foster child stated that she and her foster sisters Tabitha Farris and Esperanza Bravo were called pendeja (stupid)‚ cabrona (bitch)
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