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Two methods were used to measure fluorescence lifetime of a dye. Are the standard

Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris ISBN: 9781429218153 475

Solution for problem 4-16 Chapter 4

Quantitative Chemical Analysis | 8th Edition

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Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris

Quantitative Chemical Analysis | 8th Edition

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Problem 4-16

Two methods were used to measure fluorescence lifetime of a dye. Are the standard deviations significantly different? Are the means significantly different? Quantity Method 1 Method 2 Mean lifetime (ns) 1.382 1.346 Standard deviation (ns) 0.025 0.039 Number of measurements 4 4 SOURCE: N. Boens et al., Anal. Chem. 2007, 79, 2137.

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Unit10Notes–EconomicSystems AdaptiveStrategies -Interconnectedsystemsforsurvival -Fiveprimarystrategies: 1. Foraging -TraditionalEcologicalKnowledge(TEK) -Detailedcollectiveknowledgeoffloraandfaunaintheirsurroundings -Smallcommunities(40-60people) -EgalitarianSociety(allhaveequalaccesstoresources) -Eldersrespectedbasedonknowledge -Divisionsoflaborbasedongender 2. Horticulture -Firstcultivatingeconomy -Naturally-occurringplantsarerelocatedtoagarden -Slash-and-burntechniquetoclearland -Populationlimitedbyavailableuseableland -Peopleowngardenproduce,notlanditself -Villagesconsistofsinglekingroup -Eachhouseholdownsagardenandkeepstheproduce 3. Pastoralism -Livelihoodbasedontendinglivestock i. Secondaryanimalproducts -Dietssupplementedwithforaging -Herdanimalsprovidesubsistenceandsocialstatus -Kinshipdeterminesaccesstoland/resources 4. Agriculture -Intensiveformofcultivation -Useofdomesticatedplants -Useoftechnology -Modificationofland(TerraceFarming) -Individualownershipofland -Largeincreaseinnumberofpeoplesupported(dependsonsophisticationoftechnology used) 5. Industrialism -Economicemphasisonmanufacturing -Individualism(laborroledeterminedbyfunction) -Globalization(importofrawmaterial;warseruptoverscarceres ources) Alleconomicsystemsarecomposedofthreeparts: 1. Production -Fivetypesofproductionstrategies: 1. Foraging 2. Horticulture 3. Pastoralism 4. Agriculture 5. Industrialization 2. Distribution -Howgoodsaremovedthroughoutthecommunity -Reciprocity -Thegivingandtakingwithoutuseofmoney -Foragers,horticulturalistsandpastoralists -GeneralizedReciprocity -Primarytypeamongforagers -Peoplegivewithoutexpectationofreturn -requireshighlevelsoftrustandaccountability -BalancedReciprocity -Givingwithexpectationofreturn -Primarysystemamonghorticulturalistsandpastoralists -Redistribution -Primaryformofagriculturalsocieties -Centralizedauthorityaccumulatesgoodsfromsocietymembers,redistributesthemasit seesfit -Resourcesoftenusedtoimprovecommunityinfrastructure -MarketExchange -Foundinindustrialsocieties -Exchangegoods(includinglabor)formoney -Valueofagoodisnotfixed(determinedbyrulesofsupplyanddemand) 3. Consumption -Howgoodsareused -Associatedwithsystemsofdistribution -Regardedintermsofcapital -Goodsusedtoproduceothergoods -Inagriculturalandindustrialsocieties,rulingclasshasprimaryaccesstogoods -Consider: InUSA2008,wealthiest10%ofpopulationowns70%ofcountry'scap ital -Thepoorest40%ownsonly0.5%ofcapital -Issuesofdifferencesinaccessdirectlyrelatedtopoverty -Ideasofpovertyandwealthareethnocentric TheKulaRingoftheTrobrianders -Systemofnon-competitive,ceremonialexchange -Onlymenparticipate -Helpsestablish,reinforcealliancesandtradingrelationships -Twothingstraded: -Redshellednecklace"Soulava" -Whiteshelledarmband"Mwali" -IfyougetaSoulava,youmustgiveaMwaliinreturn,andviseversa.

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Chapter 4, Problem 4-16 is Solved
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Textbook: Quantitative Chemical Analysis
Edition: 8
Author: Daniel C. Harris
ISBN: 9781429218153

Quantitative Chemical Analysis was written by and is associated to the ISBN: 9781429218153. Since the solution to 4-16 from 4 chapter was answered, more than 241 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 4-16 from chapter: 4 was answered by , our top Chemistry solution expert on 03/16/18, 04:33PM. The answer to “Two methods were used to measure fluorescence lifetime of a dye. Are the standard deviations significantly different? Are the means significantly different? Quantity Method 1 Method 2 Mean lifetime (ns) 1.382 1.346 Standard deviation (ns) 0.025 0.039 Number of measurements 4 4 SOURCE: N. Boens et al., Anal. Chem. 2007, 79, 2137.” is broken down into a number of easy to follow steps, and 52 words. This textbook survival guide was created for the textbook: Quantitative Chemical Analysis, edition: 8. This full solution covers the following key subjects: . This expansive textbook survival guide covers 55 chapters, and 1224 solutions.

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Two methods were used to measure fluorescence lifetime of a dye. Are the standard