amounts of alcohol will kill someone. According to Dr. Lester Grinspoon author of Marijuana: The Forbidden Medicine‚ “The only well confirmed negative effect of marijuana is caused by smoke‚ which contains three times more tars and five times more carbon monoxide than tobacco. But even the heaviest marijuana also relieves nausea suffered by cancer patients undergoing powerful chemotherapy. It is also used by patients who have multiple sclerosis and AIDS. Marijuana is also proved to be effective in
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reaction will change the toluene to benzanoic acid and the color of potassium manganate change from purple to slight purple Objective To compare the reaction of aliphatic and aromatic hydrocarbon. Aliphatic compounds are hydrocarbon chains - strings of carbon atoms connected to each other with hydrogen atoms hanging off the sides of the chain.Aromatic compounds are rings - so take the chain and connect the two ends together to form a continuous loop.aliphatic compound are easier to react than aromatic
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industry‚ and the materials must be non-flammable and non-explosive materials‚ such as limestone‚ calcite‚ barite‚ dolomite‚ potassium feldspar‚ marble‚ talcum‚ gypsum‚ kaoline‚ medical stone‚ rock phosphate‚ manganese ore‚ glass‚ ceramic‚ active carbon‚ carbon black‚ fireproof materials‚ heat preservation materials‚ chemical materials and so on(300 kinds of materials)‚ the materials should have the hardness less than 7 in Moh’s scale and the humidity less than 6 percent. The granularity of the end products
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Try Synthetic Ivory In a time of limited resources‚ and with the population of the human race increasing at an alarming rate‚ demand for products will be at an all time high. This is why synthetic resources will become of great importance in the near future. For instance‚ ivory is high in price and involves the hunting of an endangered species‚ the elephant‚ this is why creating a synthetic form of this material would not only make it more affordable‚ it would also help preserve wildlife. A synthetic
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designed to bear heavy load and vigorous applications. They also bear a Curved section that allows lifting of heavy loads with ease. All components are jig welded -therefore‚ interchangeability is possible. Our screw conveyors are all strictly carbon steel construction that has an abrasion resistant divider plate and access panels that give strength and longevity to the conveyors. All our Conveyors come dust-free. We can customize the capacity according to the size of the operation or any other
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unknown compound was 121. Since the molecular weight is an odd number‚ Nitrogen is present in the compound. By dividing the molecular weight by 13‚ we get 9 and remainder of 4. The maximum Carbons the compound had are 9 and 13 Hydrogens. Since Nitrogen was present‚ I had to add it to my formula and subtract a Carbon and two Hydrogens from the base formula. Hence the final molecular formula would be C8H11N with a HDI of 4. Looking at the IR spectroscopy‚ there is a sharp peak at around 3000 cm-1‚ which
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advantages such as sufficient output‚ safe and reliable operation‚ short construction period‚ and low installation cost ect. 2. The design of cyclone reburning chamber in furnace decreases dust contained in the flue gas. At the same time‚ incandescent carbon black particles burns further‚ enhancing the boiler thermal efficiency‚ and decreasing gas blackness‚ as a result‚ the gas emission concentration meets the requirements of grade A environmental protection area. 3. The grate employs the technology
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Cobalt Wedding Bands Review Cobalt wedding bands are crafted having a super strong metal that mixes an incredibly higher level of sturdiness using the vibrant reflective appearance of white gold or platinum. Using the many pros cobalt engagement rings have to give you‚ cobalt rings might even at some point exceed tungsten and titanium wedding rings. To discover if this sounds like the best metal for the wedding ring‚ and also to begin to see the benefits and drawbacks of cobalt plus how cobalt
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in the four solvents‚ water seems to be the best choice as a recrystallizing solvent. B. DECOLORIZING A SOLUTION OF IMPURE ACETANILIDE AND HOT FILTRATION 2. 1.5637 grams of impure acetanilide 5. 38 ml total solvent volume 7. Added tip of carbon black to mixture and mixture almost boiled over! 8. 28 ml total solvent volume C. ISOLATING THE RECRYSTALLIZED PRODUCT WITH VACUUM FILTRATION 2. Chilled crystals in ice bath for 19 minutes. collected flaky white crystals Mass of watch glass
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that 10% of modern waste was plastics‚ although estimates vary according to region. Meanwhile‚ 50-80% of debris in marine areas is plastic. They also contribute great effect on global warming especially if they are incinerated because it increases carbon emissions. So how can we continuously use plastic without compromising our environment? On the other hand‚ vegetables like potato‚ tapioca and corn also contain polymers from starch which can be used as alternative materials for plastic. Vegetables
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