Quiz 6 Key 1. Neither N2 nor O2 are greenhouse gases because A. N2 and O2 react with one another‚ producing N2O2 when exposed to infrared radiation. B. their overall electric charge distribution does not change when they vibrate. C. infrared radiation causes their bonds to break. D. their atmospheric concentrations are not changed by human activity. Remember that greenhouse gases have a change in bond structure when interacting with infrared radiation. 2. Find the molar mass of ethanol
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Lab 5 DECOMPOSITION (Nov 2‚ 2011) Introduction: Decomposition is the breakdown of organic material into its smaller molecules and elements. (This term is generally considered as a biotic process but one may find it also used to describe an abiotic process‚ e.g.‚ due to weathering.) The decomposing organisms may use the release of elements for nutrients and by breaking apart the carbon-carbon bonds in organic matter this can release energy for them. These smaller molecules and nutrient elements
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Chapter 25 Process of fossilization · Moving water can suspend sediment – inorganic particles · Moving water fills into still body of water o Sediment flats to the bottom o Forms a layer o More layers form with different compositions on the bottom of the lake or ocean · Living things in the ocean die and get buried in the sediments in the ocean · A lot of weight and pressure pushing down · The organic material is replaced by rocks – mineralization resulting
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Writing Half Reaction and Net Ionic Equation Going back to our first concept or topic‚ we’ve learn how to identify the Oxidizing and Reducing agent and the Oxidation as well as the Reduction. In this part of the Redox reaction or in this step‚ it is very important that you already know the Oxidizing and Reducing agent for us to find the half reaction. In this step or part‚ we will also learn how to balance using the addition of electrons in both sides if necessary. After this step we can now write
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propulsion concept is presented which utilizes liquid nitrogen as the working fluid for an open Rankine cycle. The principle of operation is like that of a steam engine‚ except there is no combustion involved. Liquid nitrogen is pressurized and then vaporized in a heat exchanger by the ambient temperature of the surrounding air. The resulting high – pressure nitrogen gas is fed to the engine converting pressure into mechanical power. The only exhaust is nitrogen. The usage of cryogenic fuels has significant
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November 7‚ 2011 Plants and Nitrogen Lab Report Introduction: Plants need ammonia‚ a combination of nitrogen and hydrogen‚ or nitrate‚ a form of inorganic nitrogen to grow. Most nitrogen is found in the atmosphere. However‚ plants and animals cannot directly absorb the nitrogen found in the atmosphere. Instead nitrogen gas is captured from the air by species of bacteria that lie in the water‚ soil‚ or grow on the roots of some plants. These bacteria convert the nitrogen into a form usable by plants
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From table 8‚ the concentration of Nitrate‚ Nitrite and Ammonia in blank solution(ionized/distilled) were 0 mg/l. Blank solution was served as a reference solution that contains the absorbing solution but not the absorbing species. The uses of blank is to negate the background and improve the result accuracy. For the test of Nitrate‚ the colour of sample solution changes from colourless to Red where the blank solution still remained colourless throughout the test. This showed that no nitrate present
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CUSTOMISED FERTILIZERS Rural Marketing Submitted By Kiran S. Ahirrao Roll No. 1006 Customized Fertilizers 1. What is Customized Fertilizer? Ans: Customised Fertilizers are combination of micro nutrients like sulphur‚ zinc‚ boron added to the key items such as urea and diammonium phosphate (DAP) and potash‚ in a proportion that suits specific crops and soil patterns. A fertilizer formulated according to specifications that are furnished by/for a consumer prior to mixing‚ usually based
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Topic: “There is nothing that we as individuals can do to prevent climate change”. During last several decades‚ industrialization and human activities have produced greenhouse gases (mainly carbon dioxide). These gases make the earth’s temperature higher that leads to more serious events‚ such as ice smelting‚ floods‚ storms and droughts. This is called “climate change”. Climate change would have significant impacts on environment‚ economy and the way we live so it needs to be prevented. In my
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Coupled Reactions Louella Rose E. Tan‚ Frances May L. Coralde Institute of Chemistry‚ University of the Philippines‚ Diliman‚ Quezon City 1101 Philippines Results and Discussion A combustion reaction is a reaction that liberates heat and light. Magnesium is a stable element and reacts violently with evolution of much heat and light. The reason the magnesium burned in carbon dioxide was because it combined with the oxygen in the CO2 leaving elemental carbon behind. CO2(g) C(S) + O2(g)
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