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1、ReviewofChemistryUNIT1:SafetyinthechemicallabatyI.1EmergencyEquipmentA.FireExtinguishersLocation:allthefireextinguishersinyourlabatytheclosestfireextinguisheroutsidethelabaty.Whentouse:Ifyoudoubtthatthefireissmallenought

2、hatafireextinguisherwilldothejob.Howtouse:taketheextinguishertothelocationofthefiregrabtheextinguisherbythehleyankthesafetypinoutofthesidethehlewithasharppull.B.FireBlanketLocation:thelocationofthefireblanketinthelab.How

3、touse:pullthecdatthebottomofthefireblanket“tube”togettheblanketout.Whentouse:afireblanketcanbeusedwhenastudent’sclothinghaircatchesfireafireblanketcanbeusedtosmotherburningmaterialonthefloabench.C.Eyewashfountaineyewashs

4、tationLocation:Thelocationoftheeyewashfountaineyewashstation.Whentouse:theeyewashmustbeusedanytomeachemicalsolutiongetsintoeyes.Howtouse:useofanEyewashFountainuseofanEyewashBottleD.EmergencyshowerLocation:thelocationofth

5、eemergencyshowerWhentouse:theshowerisusedwhenhazardouschemicalssprayoverlargeareasofthebody.Howtouse:oneinvolvesanoverheadshowerhavingapullringwhiletheotherisahheldshowerwithanonoffhleE.AcidbaseneutralizingsolutionLocati

6、on:thelocationoftheneutralizingsolutionWhentouse:usethissolutionwheneveranacidicbasic(“caustic”)solutionhascomeincontactwithyourskin.Howtouse:firstwashtheaffectedareawithlargeamountsofwaterthenpoursomeoftheneutralizingso

7、lutionontheaffectedareagentlywashtheskinwiththesolution.I.2ProtectiveEquipmentA.SafetygogglesLocation:thesafetygogglesarested.Whentouse:safetygogglesmustbeusedwheneverchemicalsarebeingusedglasswkingisbeingperfmed.Howtous

8、e:gogglesmustfitsnuglyB.FumehoodsLocation:thelocationofthefumehoods.Whentouse:thefumehoodsmustbeusedwheneverpoisonousoffensiveodousarebeingproduced.Howtouse:learnwheretheOnOffbuttonsfthefumehoodarelocated(theygenerallyar

9、ebelowbesidethefumehoods.)I.3Incasefirea)Thefirstmostimptantthingtodoistobackoutofharm’swayevaluatethesituation.4.Completetheproblembymultiplyingdividingtheamountsontherighthside.MULTIPLEUNITCONVERSIONSII.2SIUnitsA.Somee

10、dbaseunittheinternationalsystem(SI)QuantityWrittenUnitUnitSymbolLengthMeterMMassGramGTimeSecondSAmountofsubstanceMolemol※TheactualbaseunitfmassintheSIsystemisthekilogram(kg)whichisaninconsistentbaseunitbutfthepurposesofC

11、hemistry11thegram(g)isconsideredtobethebaseunit.B.SomeadditionalunitsusedQuantityWrittenunitUnitSymbolVolumeLiterLmassTonnetC.MultiplesofbaseunitsWrittenPrefixPrefixSymbolEquivalentexponentialMegaM106KiloK103DeciD101Cent

12、iC102MilliM103Microu106D.Someimptantequivalence1mL=1cm31m3=103L1t=103kgWrittenPrefixPrefixsymbolEquivalentexponentialYottaY1024ZettaZ1021ExaE1018PetaP1015TeraT1012GigaG109Hectoh102DekaDa101Nanon109Picop1012Femtof1015Atto

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