Video: Puas yog h2o2 catalyst?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Project tus duab Decomposition ntawm HydrogenPeroxide . Piav tias hydrogen peroxide decomposes toform dej thiab oxygen raws li cov tshuaj sib npaug no: Asubstance uas nce tus nqi ntawm cov tshuaj tiv thaiv tab sis tsis ua ib feem ntawm cov khoom ntawm cov tshuaj tiv thaiv yog hu ua a catalyst.
Xav txog qhov no, dab tsi catalyst rhuav tshem hydrogen peroxide?
Ib qho enzyme uas puas lawm yuav tsis ua hauj lwm rau catalyze achemical cov tshuaj tiv thaiv. Catalase yog ib qho enzyme hauv daim siab uas tawg phom sij hydrogen peroxide nyob rau hauv oxygen thiab dej. Thaum cov tshuaj tiv thaiv no tshwm sim, oxygen gas npuas khiav tawm thiab tsim ua npuas ncauj.
Ib tug kuj nug, hydrogen peroxide puas tuaj yeem decompose yam tsis muaj catalyst? Cov tshuaj tiv thaiv ntawm decomposition ntawm hydrogenperoxide yog qeeb heev nyob rau hauv nruab nrab kub tsis muaj lub xub ntiag ntawm a catalyst [11].
Hauv qhov no, dab tsi yog qhov catalyst thaum hydrogen peroxide thiab poov xab ua ke?
Cov poov xab tawg cov hydrogen peroxide cia rau hauv oxygen thiab dej uas yog tshuaj lom neeg cov tshuaj tiv thaiv. Cov pa oxygen ua ke nrog cov tshuaj ntxuav tais diav kom ua npuas ntau. Hauv qhov kev sim no poov xab yog a catalyst . A catalyst ua kom muaj tshuaj lom neeg.
Yog vim li cas MnO2 yog catalyst rau h2o2?
Manganese dioxide catalyzes lub decomposition ntawm hydrogen peroxide . Kev piav qhia: Hydrogen peroxide , H2O2 , decomposes lawm ntawm tus nqi qeeb heev rau formoxygen roj thiab dej. Thaum twg manganese dioxide , MnO2 , yog ntxiv rau kev daws ntawm hydrogen peroxide , tus nqi ntawm qhov tshwm sim nce ntau.
Pom zoo:
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