OR you can use a more mathematical approch : 4 mol Fe react with 3 mol O2 . You can sign in to give your opinion on the answer. What do you think of the answers? Divide through by 4: 1 mol Fe reacts with 3/4 mol O2 . Nick. A mole ratio is the ratio of one product or reactant to another in the equation. Кодировка для поиска: 4 Fe + 3 O2 = 2 Fe2O3 Ключевые слова: O2 , Fe , Fe2O3 Добавлено / отредактировано: 26.09.2014 / zobaer. Then you can say 1 mole Fe to mole O2, and the reverse. Then you can say 1 mole O2 to 1 mole Fe2O3, and the reverse. 1 1. 4 mol Fe reacts with 3 mol O2 . PhC2H5 + O2 = PhOH + CO2 + H2O sì. 4 years ago. Rust. Multiply by 12 . Ronaldo Ochoa. 2 0. Sign in. Gli stati del composto [come (s) (aq ) o (g)] non sono richiesti. That's 2. Mol O2 required = 3*3 = 9 mol O2. Esempi di equazioni chimiche complete per bilanciare: Fe + Cl 2 = FeCl 3 That makes 6. Una aplicación para balancear y completar ecuaciones químicas. 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!'. Ecuacion química completada y balanceada Fe + O2 → FeO2 con productos calculados. Iron oxide. 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 … Use uppercase for the first character in the element and lowercase for the second character. Therefore you will require 3X as much O2 . Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Lv 4. In order to balance Fe + O2 = Fe2O3 you'll need to watch out for two things. In molti casi una equazione completa sarà suggerita. Iron on reaction with oxygen in the presence of water forms rust, which is hydrated ferric oxide. Fe + O2 --> FeO2 or Iron (II) oxide. 4Fe ( ll ) + 3O2 = 2Fe2O3 ( called ferrous oxide ) Replace immutable groups in compounds to avoid ambiguity. So for every one mole Fe, there is 1 mole Fe2O3, and you can say this for the reverse. 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 Use uppercase for the first character in the element and lowercase for the second character. 1 0. Replace immutable groups in compounds to avoid ambiguity. 4 years ago. That makes 4. 4 years ago. That is 3X as much Fe as in the equation . You want to react 12 mol Fe . ] non sono richiesti is 1 mole O2, and the reverse 3 = 9 mol O2 (! The second character [ come ( s ) ( aq ) o ( g ) ] non sono richiesti approch. 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