NaHCO3 Dependant: Final Mass of the Residue Controlled: Mass lost Apparatus: Method: First we measured and recorded the weight of a crucible and its lid. Then we added some Sodium Hydrogen Carbonate into the crucible and measured and recorded the values again. After‚ we set up the apparatus as shown in Fig.1. We left the crucible over the fire for five minutes. Then we took it off and measured the weight of the Crucible and the residue. We then put it back on the fire to see
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mixture was then filtered through a pre-heated Buchner funnel. Any insoluble impurities remained on the paper will be the residue. Most of the benzoic acid crystallize when it is cooled using ice. Impurities that are soluble were left in solution. The mixture was again filtered at the pump‚ this time while cold. The residue on the filter is the purified benzoic acid. This residue was washed by running a little deionized water over it in order to remove the salt solution. Running the pump for a short
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Section A: (60%) Question 1:(10%) Noun phrase (NP); Verb phrase(VP); Adjective phrase(AdjP); Prepositional phrase (PP); Adverb phrase (AdvP) 1. 2. 3. 4. 5. Reference: phpSyntaxTree - drawing syntax trees made easy." ironcreek.net :: welcome. N.p.‚ n.d. Web. 12 Sept. 2012. . Question 2: (15%) 1. as well- off as (comparative clause) 2. while Rebecca is still partying day and night (adverbial clause) - (contrast) 3. unless you’ve got a Bachelor Degree (adverbial clause)
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droppings‚ urine with the straw or other litter that is used in the yards to absorb the liquid portions and keep the animal lean; left over fodders‚ farm sweep and crop residues . Animal dung is the major component of FYM . One tonne of fresh manure supplies 227 kg organic matter ‚ 4.5 kg nitrogen ‚ 2.5 kg P2O5 and 4.5 kg K2O . b) Crop Residues It include straws ‚ husks ‚ leaves ‚ vegetable and fruit wastes ‚ grass cuttings ‚ weeds ‚ etc . The major agricultural crops such
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Chest Trauma Chest trauma is classified as either blunt or penetrating. 1. Blunt Chest Trauma I. Definition a. Blunt chest trauma results from sudden compression or positive pressure inflicted to the chest wall. Motor vehicle crashes (trauma due to steering wheel‚ seat belt)‚ falls‚ and bicycle crashes (trauma due to handle bars) are the most common causes of blunt chest trauma. II. Pathophysiology Injuries to the chest are often life-threatening and result in one or
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Response to written assessment task: 1.Do you think the application for Caltrop Controlla would comply with the APVMA Labelling Codes? Please explain why it would or would not. According to the best practice guide of the APVMA Labelling Codes‚ a product name should be distinctive. It must not be misleading or confusing with other registered product names. Where the product name is not distinctive‚ the company name could be incorporated into the product name to distinguish it from other products having
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Process of cleaning holds 1.Hold Cleaning – it can be done by a shovel or a swept clean. The stevedores at the discharge port should swept the holds before completion of the discharge to minimize the remaining residues. Hold Cleaning 2.Hold Washing Down – once sweeping and cargo residues are removed‚ the next task is to wash down the hatch cover and holds with saltwater. Hold Washing down 3.Use of chemicals - the use of prewash is to protect the paint coating of holds and allow for a much
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where did the shot come from if it wasn’t Mavis?" Mavis admitted to what he had done‚ "I was going to mess around with them. I do own a gun‚ and that gun‚ in your hands‚ is mine. It’s just that the gunshot‚ it came from me. I was running‚ and I tripped over a root in the ground. The gunshot went off‚ and I heard a scream. I didn’t want to tell you guys‚ because I don’t want to go to jail‚ again." "Again? What do you mean again? I mean I wouldn’t doubt that you’ve ever been in jail or even
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properties of water and solutions and distinguish between such terms as diffusion‚ dialysis and osmosis. In this experiment‚ we will be going over water residue‚ water of hydration‚ solutions and dialysis. For Water Residue section‚ place about 1 mL of tap water on a clean watch glass and gently heat it until water has evaporated. Record if there is any residue and repeat this procedure using deionized water. Next‚ for Water of Hydration section‚ obtain a few crystals of hydrated copper(II) sulfate‚ describe
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nitrate‚ or ninhydrin to locate latent prints on porous materials. When one of these chemicals comes into contact with the chemicals present in the fingerprint residue the print become visible. .Iodine fuming takes place in a fuming chamber. The process works by heating up solid crystal iodine which creates vapors that adhere to the oily residue of print‚ producing a brown colored print. One of the drawbacks of using iodine fuming is that the print fades quickly after the fuming takes place and therefore
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