HCl sodium nitrate potassium chloride. magnesium sulfate calcium nitrate sodium carbonate. Safety notes: 1. Wear aprons and goggles. Protective gloves are also available. 2.Carefully read the labels of all chemicals before use. Abide by specific warnings and directions. 3. Collect all materials needed
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Calcium hypochlorite is a chemical compound with formula Ca(ClO)2. It is widely used for water treatment and as a bleaching agent. This chemical is considered to be relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach). Preparation It is manufactured by the calcium process: ~\mathrm{2Cl_2 + 2Ca(OH)_2\longrightarrow \ Ca(OCl)_2 + CaCl_2 + 2H_2O}. "Bleaching powder" is a mixture of calcium hypochlorite (Ca(OCl)2) and the basic chloride CaCl2‚ H2O with
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calculations to determine the quantities (masses‚ volumes) of reactants and products involved in chemical reactions. It is a very mathematical part of chemistry. In this experiment‚ you will react a known amount of sodium carbonate solution with a known amount of calcium chloride solution. The skeletal (unbalanced) equation for the resulting double replacement reaction is: Na2CO3(aq) + CaCl2(aq) Æ NaCl(aq) + CaCO3(s) Note that three of the chemicals have their states or phases designated
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Seawater is slightly basic (meaning pH > 7)‚ and the process is a shift towards pH-neutral conditions rather than a transition to acidic conditions (pH < 7). Ocean alkalinity is not changed by the process‚ or may increase over long time periods due to carbonate dissolution. An estimated 30–40% of the carbon dioxide from human activity released into the atmosphere dissolves into oceans‚ rivers and lakes. To achieve chemical equality‚ some of it reacts with the water to form carbonic acid. Some of these extra
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Cooling Water Problems and Solutions Course No: M05-009 Credit: 5 PDH A. Bhatia Continuing Education and Development‚ Inc. 9 Greyridge Farm Court Stony Point‚ NY 10980 P: (877) 322-5800 F: (877) 322-4774 info@cedengineering.com COOLING WATER PROBLEMS AND SOLUTIONS Water is used in cooling systems as a heat transfer medium and frequently also as the final point to reject heat into the atmosphere by evaporating inside cooling towers. Depending on the quality of available fresh
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Sugar‚ Calcium carbonate)‚ By Functionality (Fillers‚ Binders‚ Lubricants‚ Preservatives)] – Global Forecast to 2018 " analyzes and studies the major market drivers‚ restraints‚ and opportunities in North America‚ Europe‚ Asia-Pacific‚ and the Rest of the World. Browse 112 market data tables with 48 figures spread through 315 pages and in-depth TOC on "Pharmaceutical Excipients Market [By Products (Carbohydrates‚ Oleochemicals‚ Petrochemicals‚ Polymers‚ Microcrystalline Cellulose‚ Sugar‚ Calcium carbonate)
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Limescale is calcium carbonate and it appears when the minerals from diluted water deposit on certain surfaces of your home. It can be easily found around the sinks‚ taps or shower. The best way to remove the limescale is to prevent it‚ because it becomes much harder to remove it once it starts to build up. The fact that it affects our kitchen sink can be very annoying and frustrating‚ so here is what you can do in order to remove limescale from your kitchen sink. Scrab it with limescale removal
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How fast is your reaction? Part 1 – How temperature affect the rate of reaction Chemical equation Magnesium + hydrochloric acid → magnesium chloride + hydrogen Mg + 2HCL → MgCl2 + H2 Graph Conclusion and questions 1. What factors/variables did you keep the same in this experiment? * We kept the same volume of hydrochloric acid (10 cm3) and the magnesium ribbon (5cm) because that way we could get a fair test experiment. We also repeated
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Topic 9 - The Carbon Cycle Aspects of the carbon cycle are similar to the hydrologic cycle because both are good examples of “Interactions between the systems". Textbook – topic not covered in text. http://www.windows2universe.org/earth/ The Carbon Cycle Neglecting the small amount of carbon (C) added to Earth by meteorite impacts‚ there is a fixed amount of carbon on Earth (~800‚000 billion tonnes). All living things are made of carbon but carbon is also a part of the ocean‚ air‚ and
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AQA GCSE Chemistry Unit 1 C 1: Fundamental ideas: C 1.1. Atoms‚ elements and compounds: * All substances are made up of atoms. * Elements contain only one atom. * Compounds contain more than one atom. * An atom has a tiny nucleus in its centre‚ surrounded by electrons. C 1.2. Atomic structure: * Atoms are made up of protons‚ neutrons and electrons. * Protons and electrons have equal and opposite electrical charges. Protons are positively charged‚ and electrons are negatively
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