资源描述：
《(topic 9) redox reactions – reactivity：（主题9）氧化还原反应–反应》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、(Topic1)ChemistryLab–FindingtheFormulaofaHydratePurpose:Tofindthemolecularformulaofacertainhydrateofcopper(II)sulfate,CuSO4•xH2O.Youwillbeworkingingroupsof3-4.However,eachpersonwillsubmittheirownlabreport.Assessment:CE–recordandlabelyourresultscarefully,includingunits,significa
2、ntfigures,anduncertainties.Youwillbecomparingthistothetruevalueofthehydrate.Alsopayattentiontoanyvariablesthatshouldbecontrolledduringthisexperiment.Materials:CeramicevaporatingdishElectronicbalanceBunsenburnerRetortstand,ringclamp,claytriangleGlassstirringrod,scoopula,crucible
3、tongsCopper(II)sulfatehydratecrystalsSafety:·Allstudentsmustwearsafetyglassesatalltimesduringthelab,evenwhennotworkingdirectlywiththechemicalsorapparatus.·Becarefularoundthehotplates,evenwhentheyareunplugged–theymaystillbehot!·Donotinhalethecopper(II)sulfatehydrate·Donottouchth
4、ecopper(II)sulfatecrystals·Alwayswashyourhandsthoroughlybeforeandafterhandlinganychemicals.Procedure:1.Gatheralltheequipmentyouneedforthislab.2.UseevaporationtodeterminetheformulaofCuSO4•xH2O.Usebetween3-5gofcrystalspertrial.3.Placetheclaytriangleontopoftheringclamp,andsettheev
5、aporatingdishontop.4.LighttheBunsenburner.YouwillholdtheBunsenburnerthroughouttheentireexperimentandwaveit(Topic1)ChemistryLab–FindingtheFormulaofaHydratePurpose:Tofindthemolecularformulaofacertainhydrateofcopper(II)sulfate,CuSO4•xH2O.Youwillbeworkingingroupsof3-4.However,eachp
6、ersonwillsubmittheirownlabreport.Assessment:CE–recordandlabelyourresultscarefully,includingunits,significantfigures,anduncertainties.Youwillbecomparingthistothetruevalueofthehydrate.Alsopayattentiontoanyvariablesthatshouldbecontrolledduringthisexperiment.Materials:Ceramicevapor
7、atingdishElectronicbalanceBunsenburnerRetortstand,ringclamp,claytriangleGlassstirringrod,scoopula,crucibletongsCopper(II)sulfatehydratecrystalsSafety:·Allstudentsmustwearsafetyglassesatalltimesduringthelab,evenwhennotworkingdirectlywiththechemicalsorapparatus.·Becarefularoundth
8、ehotplates,evenwhentheyareunplugged–theymaystillbehot!
