Formal Lab Report #1 I. Basics Title of the Experiment: The Empirical Formula of an Oxide Authors: Section Number: Chemistry Location and Date II. Abstract The aim in this lab was to determine the empirical formula of an oxide of magnesium through combustion in air. This was achieved by heating an established mass of magnesium in air inside of a crucible‚ ultimately attaining a compound that contained Mg and O. The major result of the experiment was the empirical formula of the oxide of magnesium
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essential question‚ “How can we restore coastal seas ravaged by runaway plant and algae growth caused by human activities?” The article writes about eutrophication. Eutrophication is where an influx of nutrients that are normally limiting such as nitrogen and phosphorus overwhelms an aquatic ecosystem. These nutrients allow for the rapid growth of phytoplankton (floating algae). When these organisms die‚ they undergo decomposition. In order to decompose these dead phytoplankton‚ bacteria need oxygen
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Empirical Formula Lab Class: Chemistry 1405 Fall 2013 Aim: The aim of this Lab Exercise is to use the mass of a chemical and use that mass to find the amount of moles of the final product you can get using the empirical formula. Introduction: The empirical formula of a compound is the simplest whole-number ratio of the elements in the compound‚ which as you will discover‚ is a ratio of the moles of those elements. “Empirical” also means “experimentally determined”. In this experiment
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Converter A.P.P Assessment Catalytic converters are used in cars to reduce pollution and toxic gases‚ such as carbon monoxide. Here are the reactions that happen inside a catalytic converter: 2NOx(g) → xO2(g) + N2(g) – this is the reduction of nitrogen oxides. 2CO(g) + O2(g) → 2CO2(g) – this is the changing of carbon monoxide to carbon dioxide. There are different views on catalytic converters. The two main views are the environmental view‚ and the economic view. The environmental view‚ not surprisingly
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revisited. The concentrations of N‚ P C and O in the hydrosphere are intricately related by the Redfield relationship. N (+)/P (+) = 16 CO2 (+)/N (+) = 6.6O2(+)/N(-) = 8.6 CO2 (+)/P (+) =106 O2(+)/P(-) = 138 O2 (+)/CO2 (-) = 1.3 Atmosphere exchanges. Nitrogen:¡°fixed¡± N occurs in a number of gaseous forms that are easily exchanged to the atmosphere. Natural sources of atmospheric"fixed" N (NOx and NH3) are: directemission by the biosphere and from soils minor NOx production by lightening Anthropogenic
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alveoli. Alveoli are sack-like structures where the circulatory system meets the respiratory system. Since terrestrial vertebrates do not live in water‚ they need to develop a means of conserving water. One way we do this is through our excretions. Nitrogen forms a major waste product in animals. When amino acids and nucleic acids are broken down‚ they release toxic ammonia (NH3). To rid the body of this toxin‚ several mechanisms have evolved‚ each appropriate to the habitat or survival of the animal
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(Organic Fertilizer) Materials: #Spray Container #Two Containers labeled as “Plant A and Plant B” #Water #Mongo Seeds #Fruit Peelings #Basin #SOIL (Loam) #Strainer Procedure: -Gather all the fruit peelings. -In a round pot‚ combine all the peelings and pour water. -Let the water reach its boiling point until the peelings are soft and pale. -After boiling‚ slowly pour the extracted peelings into the strainer allowing
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are produced when 3.0 moles of magnesium react? 4. ___NH3 + ___O2 ___N2 + ___H2O a. How many moles of oxygen react with 0.23 moles of NH3? b. How many grams of water will be produced if 0.55 moles of oxygen react? c. How many moles of nitrogen gas will be produced if 12.6 grams of ammonia react? CHEMISTRY: A Study of Matter © 2004‚ GPB 8.14
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| | | | (15 points) |Criterion |Explain how nitrogen behaves when a scuba diver dives to great depths‚ and
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VI. SAMPLE OF RESEARCH METHODOLOGY DESCRIPTIONS My research methodology requires gathering relevant data from the specified documents and compiling databases in order to analyze the material and arrive at a more complete understanding and historical reconstruction of the lives of selected female scholars. I hope to shed light on the following questions through my research: 1) How did female scholars obtain their education? a) How important were factors such as kinship networks and socio-economic
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