Lub sijhawm decomposition ntawm h2o2 kom muab oxygen?

Cov txheej txheem:

Lub sijhawm decomposition ntawm h2o2 kom muab oxygen?
Lub sijhawm decomposition ntawm h2o2 kom muab oxygen?
Anonim

Thaum lub sijhawm decomposition ntawm H2O2 kom muab oxygen, 48 g O2 yog tsim ib feeb ntawm ib lub sijhawm. Tus nqi tsim dej ntawm qhov no yog (a) 0.75 mol min (b) 1.5 mol min (c) 2.25 mol min!

Yuav ua li cas thaum H2O2 decomposes?

Hydrogen peroxide muaj ib daim ntawv cog lus oxygen-oxygen. … Thaum nws daim ntawv cog lus oxygen-oxygen tawg, hydrogen peroxide decomposes rau hauv dej thiab oxygen. Thaum qhov no tshwm sim, nws tso tawm cov dawb radicals uas muaj zog heev nrog rau lwm yam tshuaj.

H2O2 tso oxygen li cas?

Ib daim ntawv ua npuas ncauj thaum cov npuas ntawm cov pa ntim rau hauv cov kua lossis cov khoom. Hauv qhov no, cov pa oxygen tsim tawm thaumhydrogen peroxide tawg rau hauv oxygen thiab dej ntawm kev sib cuag nrog catalase, ib qho enzyme pom hauv daim siab. Enzymes yog cov protein molecules tshwj xeeb uas ua rau muaj tshuaj lom neeg.

Kev txiav txim ntawm H2O2 yog dab tsi?

Lub decomposition ntawm H2O2 yog sawv cev raws li: H2O2 → H2O + O (Slow) (O) + (O) → O2 (fast).

Yuav ua li cas cov khoom tsim thaum H2O2 decomposes?

Hydrogen peroxide, H2O2, yog cov kua tsis muaj xim uas sib tov nrog dej thiab tau siv dav los ua tshuaj tua kab mob thiab tshuaj tua kab mob. tshuaj dawb huv. Nws tsis ruaj khov thiab decomposes (tawg) maj mam tsim dej thiab oxygen gas.

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