Everyone is familiar with the three ’R’s - Reduce‚ Reuse and Recycle. But does every citizen follow it religiously? The relationship between environmentally aware citizens and a balanced ecosystem is direct. With the rising concern about global warming and climate change‚ recycling has gained a lot of importance. Here are some advantages of recycling different types of material. Plastic » According to the Stanford University PSSI Recycling Center‚ if you recycle 1 ton of plastic‚ it saves
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Key Questions 8.1 and 8.2: Writing and Balancing Chemical Equations Include phases of matter for ALL reactants and products. Circle the chemical formula of the precipitate‚ if any‚ in each reaction. Balance all chemical equations. 1. Write a chemical equation for the reaction that occurs when solid sodium oxide is added to water at room temperature to yield sodium hydroxide . (Check the Solubility Rules to determine the phase of matter of sodium hydroxide.)
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Financial Blog Corliss Group Lenders Fear Spread of Chinese Commodities Fraud Case Large banks and trading firms are frantically trying to determine whether they have fallen victim to a suspected commodities fraud emanating from the giant Qingdao Port in northeast China. Citigroup and several other large Western banks are concerned that their loans may lack the appropriate collateral‚ big stockpiles of copper and aluminum at the port. The banks have inspectors on the ground who are trying
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CBSE TEST PAPER-01 CLASS - IX Science (Atoms and Molecules) 1. Atomic radius is measured in nanometers and (a) 1nm = 10-10m (b) 1m = 10-10nm (c) 1m = 10-9nm (d) 1nm = 10-9m 2. Symbol of Iron is :- (a) Ir (b) I 3. Atomicity of chlorine and Argon is (c) Fe [1] (d) None of these [1] [1] (a) Diatomic and Monoatomic (b) Monoatomic and Diatomic (c) Monoatomic and Monoatomic (d) Diatomic and Diatomic 4. Molecular mass of water ( H 2O ) is (a) 18g 5. State law of conservation of Mass
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POT TENDING MACHINE PTM is the crucial equipment of large anode pre-baking workshop. It is used in the environment of high temperature‚ large current‚ strong magnetic field and HF gas. It can perform the following procedures ANODE CHANGE: Anode in the pots is changed at an interval of every 27 days since daily 1.5 cm of the anode gets consumed. A carbon block is usually 55 cm high of which only 40 cm can be used up. The main reason behind the anode consumption is the following electrolytic
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The yield of a metal from a particular mineral or ore is the mass of metal that can be obtained from a particular mass of the mineral or ore‚ and is often expressed as a percentage. It is possible to use formulae to calculate/predict yields of metals from particular minerals (pure compounds)‚ for ores we have to measure them experimentally. This is because ores are mixtures of the required mineral and unwanted material‚ and‚ being mixtures‚ they have variable composition. Measurement of the yield
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The MGM Grand Hotel was a 23 story hotel and casino facility located at the intersection of East Flamingo Road and Las Vegas Boulevard‚ currently in use as Bally’s Casino. The hotel consisted of 21 stories of guest rooms situated above two non-hotel stories- a double main level and casino and an interstitial space used for gaming floor security. The floors were numbered with an alternative numbering system used by the MGM Grand owners‚ depicted in Fig.1. Immediately adjacent to the casino and performance
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Tantalum Tantalum is a shiny‚ silvery metal which is soft when is pure. It is almost immune to chemical attack at temperatures below 150 C. Tantalum is virtually resistant to corrosion due to an oxide film on its surface. Applications Tantalum finds use in four areas: high-temperature applications‚ such as aircraft engines; electrical devices‚ such as capacitors; sirurgical impants and handling corrosive chemicals. It is rarely used as an alloying agent because it tends to make metals brittle
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Vanadium Benefits and Hazards Vanadium has benefits both in industrial products as well in the medical field. In industry about 85% of is used as ferrovanadium or as a steel additive. This strengthens the steel as well as makes it lighter. Ford built his first model T out of vanadium steel which decreased the weight of the vehicle by approximately half. Other uses in industry is also as a big proponent as a catalyst in the production of sulfuric acid as well as maleic anhydride (essential to
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CHEM 163: SYNTHESIS AND ANALYSIS OF A COPPER(II) COORDINATION COMPOUND INTRODUCTION In this multi-week experiment‚ you will synthesize a compound and then analyze it to determine its empirical formula. The substance you will prepare is a vividly colored coordination compound of copper. Based on the reagents used in the synthesis procedure‚ you can assume that the final compound contains copper(II)‚ ammonia‚ sulfate‚ and water. In
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