高中化学反应 现象 应用High school chemistry reaction phenomenon applicationWord文档格式.docx
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高中化学反应 现象 应用High school chemistry reaction phenomenon applicationWord文档格式.docx
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4Al+3O2or2Al2O3lightsilverywhitemetalintoawhitesolid
3Fe+2O2ignitesFe3O4,burnsviolently,Marsisradiant,producingblacksolids,exothermic4Fe+3O2,hightemperature2Fe2O3
C+O2ignitesCO2,burningviolently,whitelight,releasingheat,andmakinglimewatermuddy
S+O2ignitesSO2,burnsviolently,releasesheat,stimulatesthesmellofgas,andburnslightblueflamesintheair.Blueandpurpleflamesinoxygen
2H2+O22H2Oblueflamelit,exothermic,generatedanhydrousCuSO4blueliquid(water)highenergyfuel
4P+5O2ignites2P2O5,burnsviolently,produceslargeamountsofwhitesmoke,releasesheat,andproduceswhitesolids,demonstratingoxygenlevelsintheair
CH4+2O2ignites2H2O+CO2blueflames,exothermic,andgeneratesliquid(water)methanethatmakeslimewaterturbid,gasandbluewater,andCuSO4gas
burn
2C2H2+5O22H2O+4CO2lightblueflame,heatrelease,blacksmoke,makesthelimewaterturbidgasandtheanhydrousCuSO4blueliquid(water)oxyacetyleneflame,
Welding,cutting,metal
2KClO3MnO2+3O2=Delta2KClgeneratedwithMars,woodrekindledlaboratorypreparationofoxygengas
2KMnO4K2MnO4+MnO2+O2=purplegeneratedglowingsplintrekindledlaboratorypreparationofoxygengas,black
2HgODelta2Hg+O2=redgenerationgasLavoisierexperimentwithMarsresurgenceissilverywhite,wood
2H2Opower2H2=+O2=waterpowerdecompositionintohydrogenandoxygeninwaterelectrolysis
Cu2(OH)2CO32CuO+H2O+CO2greenarrow,blacktubewall,theliquidlimewaterturbidgasheatingP.
NH4HCO3NH3=H2O+CO2=a+whitesolidliquid,tubewallhasdisappeared,thelimewaterturbidgasammoniumbicarbonatelong-termexposureintheairwilldisappear
Zn+H2SO4=ZnSO4+H2=havealargenumberofbubbles,zincparticlesgraduallydissolvethelaboratorypreparationofhydrogen
Fe+H2SO4=FeSO4+H2=havealargenumberofbubbles,themetalparticlesgraduallydissolved
Mg+H2SO4=MgSO4+H2hasalargenumberofbubblesincreases,metalparticlesgraduallydissolved
3+3H2=2Al+3H2SO4=Al2(SO4)hasalargenumberofbubbles,themetalparticlesgraduallydissolved
Fe2O3+3H2Delta2Fe+3H2Oredisgraduallychangedtosilverwhite,withliquidmetalsmeltingintesttubewall,andreductionofhydrogengas
Fe3O4+4H2Delta3Fe+4H2Oblackgraduallybecomessilverywhite,withliquidmetalsmeltingintesttubewallandreductionofhydrogen
WO3+3H2,W,+3H2O,smeltingoftungstenmetal,reductionofhydrogen
MoO3+3H2,Mo,+3H2O,smeltingmolybdenummetal,hydrogenreduction
2Na+Cl2deltaorignite2NaCl,intensecombustion,formationofyellowflameioncompounds,
H2+Cl2lightorlight2HCllightpaleflameandfogbottlecovalentcompoundsformation,preparationofhydrochloricacid
CuSO4+2NaOH=Cu(OH)2:
+Na2SO4blueprecipitateformation,uppersolutionmassconservationlawclarificationexperiments
2C+O2ignitesoneofthecommonreactions,airpollutantsandgaspoisoningin2COcoalstoves
2CO+O2ignite2CO2blueflamegasburning
C+2Cu+=CO2CuOhightemperaturegraduallybecomeblackmetalsmeltinggasesmakeclearlimewaterturbidred,
4Fe+3CO2=2Fe2O3+3Chightemperaturesmeltingmetal
2CO2=3Fe+Fe3O4+2Chightemperaturesmeltingmetal
C+CO2hightemperature2CO
CO2+H2O=H2CO3carbonatemakelitmusredproofofcarbonicacid
H2CO3CO2=H2O+deltalitmusredfade
Ca(OH)2+CO2=CaCO3:
H2O+clearlimewatercloudywithCO2testandlimepaintthewalls
CaCO3+H2O+CO2=Ca(HCO3)2;
whiteprecipitategraduallydissolves;
cavityformation;
stoneweathering
Ca(HCO3)2CaCO3:
+H2O+CO2=whiteprecipitation,gasproductionscaletomakeclearlimewaterturbidstalactiteformationformation.
2NaHCO3Na2CO3+H2O+CO2=gasbakingsodatomakeclearlimewatercloudyvaporSteamedBuns
CaCO3hightemperatureCaO+CO2=industrialpreparationofcarbondioxideandlime
2hcl=caco3+cacl2+h2o+co2↑固体逐渐溶解、有使澄清石灰水变浑浊的气体实验室制备二氧化碳、除水垢
na2co3+h2so4+na2so4+h2o=co2↑固体逐渐溶解、有使澄清石灰水变浑浊的气体泡沫灭火器原理
na2co3+2hcl=2nacl+h2o+co2↑固体逐渐溶解、有使澄清石灰水变浑浊的气体泡沫灭火器原理
mgco3+2hcl=mgcl2+h2o+co2↑固体逐渐溶解、有使澄清石灰水变浑浊的气体
coΔcuo+cu+co2黑色逐渐变红色,产生使澄清石灰水变浑浊的气体冶炼金属
2fe+fe2o3+3co高温3co2冶炼金属原理
fe3o4++4co2冶炼金属原理4co高温3fe
wo3+w+3co2冶炼金属原理3co高温
ch3coonach3cooh+naoh+h2o=
2ch3oh++4h2o3o2点燃2co2
c2h5oh++3h2o蓝色火焰、产生使石灰水变浑浊的气体、放热酒精的燃烧3o2点燃2co2
cuso4,feso4+cu+fe=银白色金属表面覆盖一层红色物质湿法炼铜、镀铜
mgoffeso4+=fe+mgso4+溶液由浅绿色变为无色cuhg(no3)hg+
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