Sign in. Multiply by 12 . Gli stati del composto [come (s) (aq ) o (g)] non sono richiesti. OR you can use a more mathematical approch : 4 mol Fe react with 3 mol O2 . Mol O2 required = 3*3 = 9 mol O2. Replace immutable groups in compounds to avoid ambiguity. 2 0. Use uppercase for the first character in the element and lowercase for the second character. That makes 6. That's 2. Nick. 4 mol Fe reacts with 3 mol O2 . The said equation represents the equation for rusting of iron. Se non sai quali sono i prodotti, immettere solo i reagenti e fare clic su 'Bilancia!'. Replace immutable groups in compounds to avoid ambiguity. Una aplicación para balancear y completar ecuaciones químicas. Ecuacion química completada y balanceada Fe + O2 → FeO2 con productos calculados. Rust. PhC2H5 + O2 = PhOH + CO2 + H2O sì. A mole ratio is the ratio of one product or reactant to another in the equation. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Then you can say 1 mole Fe to mole O2, and the reverse. Divide through by 4: 1 mol Fe reacts with 3/4 mol O2 . Esempi di equazioni chimiche complete per bilanciare: Fe + Cl 2 = FeCl 3 Use uppercase for the first character in the element and lowercase for the second character. Lv 4. 4Fe ( ll ) + 3O2 = 2Fe2O3 ( called ferrous oxide ) You can sign in to give your opinion on the answer. Iron oxide. 铁在氧气中燃烧生成四氧化铁，在反应中Fe、O2、Fe3O4的质量比为（ ） A.7：4：29 B.21：8：29 C.7：4：11 D.7：8：29 2017-10-10 为什么Fe在O2燃烧生成Fe3O4 2017-09-20 配平铁在氧气中燃烧生成四氧化三铁的化学方程试.Fe+O2---Fe3O4 2017-09-23 关于O2中FE ,S的燃烧 2017-10-13 4 years ago. 1 0. Iron on reaction with oxygen in the presence of water forms rust, which is hydrated ferric oxide. Therefore you will require 3X as much O2 . 4 years ago. What do you think of the answers? That makes 4. Кодировка для поиска: 4 Fe + 3 O2 = 2 Fe2O3 Ключевые слова: O2 , Fe , Fe2O3 Добавлено / отредактировано: 26.09.2014 / zobaer. Iron oxides are chemical compounds composed of iron and oxygen.There are sixteen known iron oxides and oxyhydroxides, the best known of which is rust, a form of iron(III) oxide.. Iron oxides and oxyhydroxides are widespread in nature and play an important role in … In order to balance Fe + O2 = Fe2O3 you'll need to watch out for two things. Then you can say 1 mole O2 to 1 mole Fe2O3, and the reverse. Ronaldo Ochoa. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Fe + O2 --> FeO2 or Iron (II) oxide. In molti casi una equazione completa sarà suggerita. That is 3X as much Fe as in the equation . 1 1. 4 years ago. So for every one mole Fe, there is 1 mole Fe2O3, and you can say this for the reverse. You want to react 12 mol Fe . Stati del composto [ come ( s ) ( aq ) o ( g ]... That is 3X as much Fe as in the presence of water forms rust which! For rusting of iron O2 to 1 mole Fe to mole O2 to 1 mole Fe to mole O2 1... 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