Vegetative reproduction (vegetative propagation‚ vegetative multiplication‚ vegetative cloning) is a form of asexual reproduction in plants. It is a process by which new individuals arise without production of seeds or spores. It can occur naturally or be induced by horticulturists. Although most plants normally reproduce sexually‚ many have the ability for vegetative propagation‚ or can be vegetatively propagated if small pieces are subjected to chemical (hormonal) treatments. This is because meristematic
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acid and as an ester it can be classified by Fischer esterification. Fischer esterification reactions typically include a carboxylic acid and alcohol as well as a dehydrating agent . Since esterification reactions are slow‚ a catalyst is required. The addition of the catalyst maximizes the yield of product (benzocaine) from the esterification since the reaction is reversible which means it tends to result in a low yield of product. For the synthesis of the benzocaine in this experiment‚ Fischer
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Water Treatment Nanotechnology‚ the engineering and art of manipulating matter at the nanoscale (1-100 nm)‚ offers the potential of novel nanomaterials for the treatment of surface water‚ groundwater and wastewater contaminated by toxic metal ions‚ organic and inorganic solutes and microorganisms. Due to their unique activity toward recalcitrant contaminants many nanomaterials are under active research and development for use in the treatment of water. Nanotechnology water treatment
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displays that changing self can involve both internal and external catalysts‚ and that changing self involves a shift in understanding that is made possible by adopting a new or revised point of view. Firstly‚ the film Silver Lining’s Playbook presents the idea that in some cases‚ the concept of self-change is a development that involves both internal and external catalysts. The notion that changing self involves an external catalyst is demonstrated through the idea that the protagonist’s acquaintance
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substances. In this case it is synthesis chemical process which creates new products. However‚ the rate of a reaction can be altered either faster or slower depending on certain variables. These variables are concentration‚ temperature‚ surface area‚ and catalysts. A reaction can be made faster or slower with a variation in the concentration of reactants; a reaction goes faster when there is an increase in concentration of a reactant. Temperature allows the reactants to react faster‚ and increasing the amount
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The enzymes found in yeast (single-celled fungi) are the natural catalysts that can make this process happen. Here is the word equation: Sugar → Ethanol + Carbon Dioxide Fermentation of glucose using yeast You measure 15ml of yeast solution in a conical flask and add 25ml of sucrose solution. The yeast is used to act as a catalyst and therefore speed up the reaction. This solution is then placed
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into feedstocks after being heated and compressed. Crude oil 2)Air 3) Water 2) The synthesis takes place in the reactor and is converted into the product Energy is released. - Some CR’s take place in high temp. so need heat energy Uses catalyst 3) The mixture of chemicals is separated into: Product‚ by-products‚ unchanged material (recycled). Heat energy is produced as a by-product b/c so it is used to make steam in the exchanger saves money + energy 4) The product is analysed to
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mercaptans to thiophenes. Since sulfur is known to affect the performance of all reforming catalysts‚ removing the sulfur prior to entering the reforming section ensures the highest level of reforming catalyst performance and maximum catalyst life. [5] 2.5.1.2. Autothermal Reforming During the reforming step‚ LPG feed is converted into a hydrogen rich product stream. At the entrance of the reforming catalyst bed‚ the feed‚ air and steam are mixed in proportions that are chosen to maximize hydrogen
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| Ammonia Plant Proposal | Ammonia Production Via Steam Reforming | | Group I: Matthew Lincoln‚ Jonathan Willis‚ Kyle Palfreeman‚ Suet Syn Siew‚ Sandra George‚ Muhammad Nawaz‚ Dean Carney‚ Steve Baker | 11/23/2012 | Contents Abstract 2 What is Ammonia 3 Application and Uses 3 Market Trends 3 Processes 4 Partial Oxidation 4 Hazards and Environmental Impact 4 Electrolysis 5 Steam Reforming 6 Gas purification 6 Desulphurisation 6 The Process 6 Justification 7
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point of view‚ the use of aryl chlorides is highly preferable because they are readily available and inexpensive. The catalyst used was a triethoxysilyl-functionalized palladium complex immobilized on the surface of magnetite Fe3O4 coated with silica. The significant advantage of this catalyst is retained activity over a number of runs and magnetic recyclability. However catalyst preparation is complex and involves microwave heating and thus cannot be applied industrially. Suzuki couplings are usually
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