Video: KClO3 decompose li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Xav txog lub npe tshuaj tiv thaiv, thermal decomposition ntawm poov tshuaj chlorate. Thaum twg KClO3 yog Ua kom sov siab, nws tawg, tso cov pa oxygen thiab tawm hauv qab lub thermally ruaj khov (piv txwv li, kub-insensitive) cov khoom seem ntawm cov ionic potassium compound.
Yog li ntawd, dab tsi yog qhov decomposition cov tshuaj tiv thaiv ntawm KClO3?
2 KCl + 3 O. Thermal decomposition ntawm poov tshuaj chlorate los tsim poov tshuaj chloride thiab oxygen. Cov tshuaj tiv thaiv no tshwm sim ntawm a kub ntawm 150-300 ° C. Hauv cov tshuaj tiv thaiv no, cov catalyst tuaj yeem yog manganese (IV) oxide.
Ib tug kuj yuav nug, puas yog qhov decomposition ntawm KClO3 ib qho tshuaj tiv thaiv redox? Decomposition ntawm poov tshuaj chlorate yog ib qho piv txwv ntawm tshuaj tiv thaiv redox.
Kuj nug, yuav ua li cas thaum KClO3 rhuab?
Thaum cov poov tshuaj chlorate ( KClO3) yog rhuab Nyob rau hauv lub xub ntiag ntawm manganese dioxide catalyst, nws decomposes tsim poov tshuaj chloride thiab oxygen gas.
Puas yog KClO3 soluble lossis insoluble?
Teb thiab piav qhia: Lub solubility ntawm KClO3 hauv dej nce thaum nws rhuab. Tsuas yog tshaj 3 grams yuav yaj hauv 100 mL dej ntawm 0 ° C.
Pom zoo:
Koj pom qhov theoretical feem pua ntawm cov pa oxygen hauv KClO3 li cas?
Qhov kev sim feem pua ntawm cov pa oxygen hauv cov qauv ntawm KClO3 yog xam los ntawm kev siv qhov sib npaug no. Kev sim % oxygen = Mass of oxygen poob x 100 Mass ntawm KClO3 Tus nqi theoretical ntawm % oxygen hauv potassium chlorate yog xam los ntawm cov mis KClO3 nrog molar mass = 122.6 g / mol
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