opposite of synthesis‚ Decomposition is the opposite of synthesis. The decomposition process uses only one reactant‚ a compound‚ and will yield two or more elements/compounds. A compound is broken down into simpler substances‚ usually through electrolysis. The formula for decomposotion is AB → A+B and an example would include 2H2O → 2H2 + O2. In a single-replacement reaction‚ there is a rule that is always followed. A metal replaces a metal‚ or a nonmetal replaces a nonmetal. Two reactants‚ for
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Aluminium is the most abundant metal in the world; however it can be quite expensive due to the extraction method‚ electrolysis. Aluminium ore is called bauxite‚ it is then purified into a white powder (aluminium oxide) then the aluminium can be extracted. To turn it into aluminium they heat the powder till it’s molten so electricity can pass through it. Its melting point is over 2‚000 Celsius‚ so it would therefore be quite expensive. One way of cutting costs is by dissolving it in molten cryolite
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Atomic theory is the idea that matter is made up of small particles made of atoms. The atomic theory first had 5 points which were stated by John Dalton who came up with it. The first one was that all elements were made up of small units called atoms. The second one was that all atoms of a given element are identical to each other. Third‚ all the atoms were different from all the other atoms. Fourth‚ atoms of different elements combined together in equal numbers to form compounds. Fifth and final
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smooth and hairless‚ and this will last for more than a year for some people. When you consult with our specialist‚ you will learn about the different laser hair removal options and any instructions. For example‚ you should not wax‚ pluck or have electrolysis for two weeks before treatment because these procedures damage the follicles that are needed for laser hair removal. You may shave because this doesn’t touch the follicle. If you spend a lot of time trying to remove unwanted hair‚ or if you have
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simpler unique substances. Compounds consist of two or more kinds of atoms bonded together; They have unique‚ fixed properties not related to the properties of the components. The can be separated into elements using chemical means such as electrolysis. Mixtures consist of two of more kinds of atoms or molecules mixed together‚ but not bonded. They have properties that are an average of the properties of the components. The properties can vary depending on the proportions of the components
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colourless‚ odourless‚ flammable gas which is the lightest and simplest of all known elements.Vehicle- A device or structure for transporting persons or things. Secondly‚ now to explain the ways to use hydrogen as a fuel. The first way is called electrolysis. It is where an electrical current is sent into the water in the fuel tank where the hydrogen and oxygen atoms split from each other and then rejoining creating a stronger electric current to drive the vehicle. The only by-product of this is harmless
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+ balanced diet) - iodine and starch experiment (amylase + distilled water) Ch.3 - plants (mono + dicot) Ch.4 - food chain + food web (diagram + biological control) - mutualism and commensalism - photosynthesis (diagram - leaf) Ch.5 - electrolysis of water (diagram + properties of the gases) - solution - solute and solvent Ch.6 - syringe experiment - tin and water heated (tin becomes dent experiment) Ch.7 - frictional forces (diagram : diff surfaces + spring balance) - calculation
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Uncertainty Trial 1: Solving for Thickness of Zinc of Trial 2: Percent Uncertainty Trial 2: Conclusion In this lab‚ galvanized steel is made my taking a plate of iron or steel and plating it either chemically or by electrolysis with zinc in order to form a protective layer over the steel‚ this is done so that the zinc oxidizes before the iron does‚ leaving the steel resistant to corrosion. By causing the zinc to form a bond in solution with chlorine ions after adding
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Laser hair removal is a procedure that uses lasers to target the pigment in your hair and destroy the hair follicle. It will no longer be able to grow hair. Laser hair removal does not promise to permanently remove all hair‚ but it greatly reduces the amount of regrowth and leaves the skin smooth and clear for months or more than a year. If you spend too much time and money shaving‚ tweezing‚ waxing at home or having expensive salon treatments‚ laser hair removal may be your best option. Laser hair
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energy through a redox reaction. It is a very clean energy with no pollution to the environment‚ which means that water and heat is the only by-product. Besides its fuel‚ hydrogen‚ is very cheap. Although in the demonstration the technician used electrolysis of water to extract hydrogen‚ in reality we can obtain hydrogen in a cheap way by converting methane. However fuel cell is still not commonly use in our daily life because the storage of hydrogen is very expensive and dangerous. In the era of environmental
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