Balance the following chemical equation: Fe(s) + H2O(g) → Fe3O4(s) + H2(g) asked May 12, 2020 in Chemical Reaction and Catalyst by Annu01 ( 49.5k points) chemical reaction and catalyst Commonly known as iron oxide black, magnetite, and black iron oxide, it is a black crystal with magnetism, so it is also called magnetic iron oxide. 2 x 2. the the balanced chemical equation will be. Whether a certain chemical reaction will occur, The activity series of metals indicates the ease with which metal, If metal X is lower than metal Y in the activity series, then metal X, Loses electrons less readily than does metal Y, If a certain metal is placed in an ionic solution containing another metal and no reaction occurs, then the metal originally in the solution is. Correct answer to the question Balance the following equations ___Fe + __O2= ___Fe3O4 - e-eduanswers.com Fe + O2 → Fe3O4. In what kind of reaction does a single compound produce two or more simpler substances? 2Fe + O2 ==> Fe2O3 Now look at the 3 O on the right. Fe3O4 is the mineral magnetite, with aproper chemical name of Fe(II, III) oxide. What is the balanced equation when aluminum reacts with copper(II) sulfate? It means that the law of conservation of mass is obeyed. Tell the type of reaction. Which word equation represents the reaction that produces water from hydrogen and oxygen? #"% yield" = ("actual yield")/("theoretical yield") * 100%# So, let's say you want to do an experiment in the lab. Give reason(s) for the product(s) 1. barium chloride + sodium sulfate → 2. calcium + hydrochloric acid → 3. 1. b.Ozone reacts with lead sulphide. Balanced equation: Fe2O4 + 2 SO2 = 2 FeS + 4 O2. Fe + O2 → Fe2O3 … balanced. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. # $ % & ' ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿì¥Á ` ø¿ Ì bjbjæ‡æ‡ c „í „í 5_ x ÿÿ ÿÿ ÿÿ ¤        Ä T Ý Ý Ý @ \Þ „ àß \ T › l Há Há : ‚á ‚á ‚á ‚á ‚á ‚á î ð ð ð ð ð ð $ h o ¢ A  Aã ‚á ‚á Aã A㠐  ‚á ‚á U /í /í /í Aã |  ‚á  ‚á î /í Aã î /í /í â ºû ¤   bý ‚á. They must have subscripts of 2. The law of conservation of mass states that in an ordinary chemical reaction, matter is neither created nor destroyed, that is, a chemical equation must have the same number of atoms of each element on both sides of the equation. Fe + O2 ( Fe3O4. What is the name of a list of elements arranged according to the ease with which they undergo certain chemical reactions? Input Equation Balanced Equation; Ag2O = Ag + O2: 2Ag2O = 4Ag + O2: Al+H2SO4=Al2(SO4)3+H2: 2Al + 3H2SO4 = Al2(SO4)3 + 3H2: … When a solid produced by a chemical reaction separates from the solution it is called, The word equation solid carbon + oxygen gas -> carbon dioxide gas + energy, represents a chemical reaction because, CO2 has a chemical properties that differ from those of C and O, In writing a chemical equation that produces hydrogen gas, the correct representation of hydrogen gas is, What is the small whole number that appears in front of a formula in a chemical equation, To balance a chemical equation, it may be necessary to adjust the, According to the law of conservation of mass, the total mass of the reacting substances is, always equal to the total mass of the products, same number of each kind of atom appears in the reactants and in the products, In the word equation, sodium oxide + water -> sodium hydroxide, the formula for sodium hydroxide is represented by. The balanced equation will appear above. d. S O 2 gas is passed through an aqueous solution of a Fe(l11) salt. See the answer Use uppercase for the first character in the element and lowercase for the second character. If Avogadro number N A , is changed from 6.022 × 1023 mol 1 to 6.022 × 10 20 mol 1, this would change (a) the mass of one mole of carbon (b) the ratio of chemical species to each other in a balanced equation (c) the ratio of elements to each other in a compound (d) the definition of mass in units of grams. Which of the following is a formula equation for the formation of carbon dioxide from carbon and oxygen? Balance the following chemical equations. In what kind of reaction do two or more substances combine to form a new compound? Zn(OH)2 + 2CH3COOH -> Zn(CH3COO)2 + 2H2O. saurabh223 saurabh223 Hi friend, your balance chemical equation is 3fe + 4h2o -----> fe3o4 + 4h2 ... 1 mole ch4=0.5 mole o2 … Balance the following chemical equation: Fe(s) + H2O(g) → Fe3O4(s) + H2(g) asked Feb 7, 2018 in Chemistry by sforrest072 ( 128k points) chemical reactions and equations Assignment chemical equilibrium_jh_sir-4168 1. : TR-Fe3O4 Ferroferric oxide, chemical formula Fe3O4. Sr + O2 ( SrO. Every chemical equations must be balanced. Balance the rest of the equation. The ideas behind the 'Reactivity Series of Metals' is introduced and what happens to a metal atom when it reacts. Predict the product of the reaction represented by the following equation: Magnesium hydroxide decomposes to yield magnesium oxide and, When sodium chlorate, NaClO3, decomposes, the products are, If chlorine gas is produced by halogen replacement, the other halogen in the reaction must be, The formulas for the products of the reaction between sodium hydroxide and sulfuric acid are. The balanced equation is: 3 Fe(s) + 4 H2O(g) --> Fe3O4(s) + 4 H2(g) Get an answer for 'Which is the correct equation for the reaction of iron and oxygen, 4Fe + 3O2 --> 2Fe2O3, or 2Fe +1/2 O2 --> 2FeO? The reaction represented by the equation Mg(s) + 2HCl(aq) -> H2(g) + MgCl2(aq) is classified as a(n) ____________________ reaction. The complete balanced equation for the reaction between zinc hydroxide and acetic acid is. It means that the law of conservation of mass is obeyed. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. In the chemical reaction represented by the equation 2Cr(s) + 3O2(g) -> 2CrO3(s), two chromium atoms combine with ____________________ oxygen atoms. (2) Balance the atom which is the maximum in number; on either side of chemical equation. Balanced chemical equation of fe+h2o fe3o4+h2 2 See answers Brainly User Brainly User LHS=Fe=3 H=4 O=4 RHS=Fe=3 H=4 O=4. If you are just trying to balance the equation, put a 3 in front of the Fe(s) on the left. Question: IX- Balance The Following Equation: Fe2O3 + CO NH3 + O2 CO + Fe3O4 Cu2S + Cu2O H2SO4 + H2O Fe + CO2 NO + H2O CO2 + Fe Cu + SO2 → H3O+ + SO42- This problem has been solved! The answer will appear below. When the formula equation CuSO4(aq) + Fe(s) -> Fe2(SO4)3(aq) + Cu(s) is correctly balanced, the coefficient of CuSO4(aq) is. Consider the reaction represented by the (unbalanced) equation: NH3 + O2→NO + H2O For every 5.00 mol of NH3 that reacts, how many mol of O2 is required. That is what we must have on the left. Common compound names. Elements. Fe + O_2 rarr Fe_2O_3 (unbalanced) left side: Fe = 1; O = 2 right side: Fe = 2; O = 3 Step 2: Start balancing the simple molecules first, in this case the O_2 Fe + color (green) 3O_2 rarr Fe_2O_3 left side: Fe = 1; O = 2 x color (green) 3 = 6 right side: Fe = 2; O = 3 Since there are now 6 O … c. S O 2 is passed through acidified K M n O 4 solution. 2. PROBLEM \(\PageIndex{4}\) Write a balanced equation describing each of the following chemical reactions. The reduction half equation is a bit more complicated.... MnO4- is gaining electrons to form Mn2+ MnO4- -----> Mn2+ You can see there in O in the MnO4- but none in the products yet. It looks like your browser needs an update. Also, for both equations… The balanced equation will appear above. Balancing a chemical equation: To balance the given or any chemical equation, follow these steps: Fe(s) + H2O(l) ----> FE3O4 (s)+ H2 (g) (1) Write the number of atoms of elements present in reactants and in products. 4Fe3 O4 (s)+O2 (g) 6Fe2 O3 (s) A_ Calculate the theoretical yield of Fe2O3. 9 Which coefficients correctly balance the formula equation NH4NO2(s) -> N2(g) + H2O(l) In what kind of reaction does one element replace a similar element in a compound? That gives you 8 H atoms, so you need a 4 in front of H2. 0.500g of Fe3O4 reacts with excess O2 to give Fe2O3 in38.4% yield according to the following balanced equation. In this equation, the number of oxygen atom is the maximum on … This reaction takes place at a temperature of 450-600°C. 6.25 mol of O2 … Input Equation Balanced Equation; Al + H2SO4 = Al2(SO4)3 + H2: 2Al + 3H2SO4 = Al2(SO4)3 + 3H2: Al + H2SO4 = Al2 S3O12 + H2: 2Al + 3H2SO4 = Al2S3O12 + 3H2 Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Use uppercase for the first character in the element and lowercase for the second character. Balance the following equations: 1. CaCO3 → CaO + CO2 4. 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. Fe + O2 O. Before answering, I want to say one thing this type of reactions may look so simple, but fine precautions are required in performing these kind of reactions. Percent yield represents the ratio between what is experimentally obtained and what is theoretically calculated, multiplied by 100%. To ensure the best experience, please update your browser. Sr + O 2 SrO 3. Then, put a 4 in front of the H2O(g) on the left. 2MgO(s), In an equation, the symbol for a substance in water solution is followed by, A chemical formula written over the arrow in a chemical equation signifies. K + Br 2 KBr 5. The iron oxide is reduced due to oxygen loss to give free iron. Use uppercase for the first character in the element and lowercase for the second character. Fe + O 2 Fe 3 O 4 2. Find an answer to your question “Fe3O4 (s) + CO (g) →FeO (s) + CO2 (g) What coefficients will balance the equation?A) 3, 1, 1, 1 B) 1, 1, 3, 1 C) 3, 3, 1, 1 D) 2, 2, 6, 4 ...” in Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions. 4. It has iron atoms as FeII and FeIII. A Residual Entropy Scaling Approach for Viscosity Based on the GERG-2008 Equation of State Jonas Mairhofer * Industrial & Engineering Chemistry Research , Articles ASAP (Thermodynamics, Transport, and Fluid Mechanics) I. You want to measure how much water is produced when 12.0 g of glucose (#C_6H_12O_6#) is burned with enough oxygen. 5. 2 in O (LHS). K + Br2 ( KBr The balanced equation will appear above. What does it mean to be balanced? Stoichiometry. 4Fe + 3O_2 rarr 2Fe_2O_3 Step 1: Tally the number of atoms based on subscript. Balance the following chemical equation: Fe + H2O → Fe3O4 + H2 - Get the answer to this question and access a vast question bank that is tailored for students. Fe 2 O 3 (s) + 3CO(g) ==> 2Fe(l/s) + 3CO 2 (g) (equation with state symbols) Note on state symbols (l/s), iron is initially formed as a liquid and then obviously solidifies on cooling. 3. Which observation does not indicate that a chemical reaction has occurred? Sn + NaOH Na 2 SnO 2 + H 2 4. When placed in water, a metal more active than hydrogen will form two substances, a metal hydroxide and ____________________ gas. Magnesium bromide (aq) + chlorine (g) yields. Iron Oxide Fe3O4 Powder CAS 1317-61-9 Item No. Add / Edited: 18.04.2015 / Evaluation of information: 5.0 out of 5 / number of votes: 1. Fe3O4 + O2 ==> Fe2O3 This one's more complicated because you have to balance both Fe and O. Which reaction can be predicted from the activity series? Source(s): balance equation fe h2o fe2o3 h2: https://tr.im/lRy0O. Iron(II,III) oxide react with oxygen to produce iron(III) oxide. Oxygen and chlorine are both DIATOMIC. the mass of the reactants equals the mass of the products. When the equation Fe3O4 + Al -> Al2O3 + Fe is correctly balanced, what is the coefficient of Fe? CaH2 + 2H2O ==> Ca(OH)2+ 2H2 Balanced! Which coefficients correctly balance the formula equation NH4NO2(s) -> N2(g) + H2O(l), Which coefficients correctly balance the formula equation CaO + H2O -> Ca(OH)2, After the first steps in writing an equation, the equation is balanced by. Sn + NaOH ( Na2SnO2 + H2. 6. The law of conservation of mass states that in an ordinary chemical reaction, matter is neither created nor destroyed, that is, a chemical equation must have the same number of atoms of each element on both sides of the equation. The experimental evidence for establishing the reactivity order for metals is described in terms of metal displacement reactions and the reactions of metals with oxygen (i.e. Look on the right side and I see 2 Fe atoms. Balance Fe first. Chemistry, 30.09.2019 21:50, alainacorkell5364 What is the balanced equation for fe+o2—-> fe3o4 KI + Cl2 → KCl + I2. Write balanced chemical equations for the following reactions: a. Glucose is heated with conc H 2 S O 4 . Predict what happens when calcium metal is added to a solution of magnesium chloride. button. Fe + 3O 2 → Fe 2 O 3 there are now 6 O atoms on the left, there must also be 6 O atoms on the right.. Fe + 3O 2 → 2Fe2O 3. Fe 3 O 4 + 4CO 3Fe + 4CO 2 [ Check the balance ] Iron(II,III) oxide react with carbon monoxide to produce iron and carbon dioxide. Fe + O2 → Fe2O3 is the unbalanced form of chemical reaction. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The overall balanced equation is shown below: I 2 ( s ) + 3 Cl 2 ( g ) 2 ICl 3 ( s ) How many grams of iodine are needed to prepare 31.4 kg of final product? View Balancing_Chemical_Equations_Practice_worksheet (2).doc from GEOL 1445 at Andy Dekaney H S. Balancing Chemical Equations Practice Balance the following chemical equations. Pb(NO3)2 + HCl → PbCl2 + HNO3. The ability of an element to react is the element's. B_ Calculate the actual yield of Fe2O3. H 2 SO 4 + NaCN HCN + 3. What can be predicted by using an activity series? 4 Fe (s) + 3 O2 (g) -----> 2 Fe2O3 (s) You need to add the heat one of three Enter an equation of a chemical reaction and press the 'Balance!' Fe + O2 = Fe3O4. From the equation: Fe3O4 + 4 CO ----> 3 Fe + 4 CO2 (a) Calculate the moles of CO2 produced when 50.2 grams of Fe3O4 are reacted. BaO2 → BaO + O2… Al + N2 → AlN. please check Write the balanced equation, with the enthalpy component, for the rusting process, given that Hf for iron and oxygen is 0 and Hf for ferric oxide is -826 kJ/mol. Solid potassium chlorate, KClO 3, decomposes to form solid potassium chloride and diatomic oxygen gas. 2. So you need 1/2 of the O2. NH4NO3 → N2O + H2O. The equation AX -> A + X is the general equation for a. Access the answers to hundreds of Stoichiometry questions that are explained in a way that's easy for you to understand. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. The reaction represented by the equation 2HgO(s) -> 2Hg(l) + O2(g) is classified as a(n) ____________________ reaction. The balanced equation will appear above. Determine the sum of the coefficients for the equation when balanced in standard form Fe + H2O→Fe3O4 + H2. C 8 H 18 + O 2 CO 2 + H 2 O 6. Use uppercase for the first character in the element and lowercase for the second character. No. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. Get help with your Stoichiometry homework. When the equation Fe3O4 + Al -> Al2O3 + Fe is correctly balanced, what is the coefficient of Fe? In the chemical equation 2Mg(s) + O2(g) ? So we move to the left and place a 2 in front of the Fe. to balance the above equation firdt we nedd to check atom of elements before and after the reaction and balance them. 4. Always use the upper case for the first character in the element name and the lower case for the second character. In writing a formula equation for a reaction that produces hydrogen gas, the correct representation of hydrogen gas is, In a chemical equation, the symbol ? What is the balanced equation for the combustion of sulfur? on the grounds that there are thrice as many (Fe)s on the left are there are on the main appropriate, placed a … Predict what happens when zinc is added to water, Predict what happens when lead is added to nitric acid. Please register to post comments. it exhibits ferrimagnetism. adjusting coefficients to the smallest whole-number ratio. Use uppercase for the first character in the element and lowercase for the second character. 1. Every chemical equations must be balanced. ... Fe3O4 + 4 CO cnd [ temp ] = 3 Fe + 4 CO2. (2015) (a) 8 : 16 : 1 (c) 16 : 1 : 2 Another product is, Active metals react with certain acids, such as hydrochloric acid, to yield a metal compound and, Some metals, such as iron, react with steam to produce hydrogen gas and a, When potassium reacts with water, one product formed is, A precipitate may form in a double-displacement reaction when, The reaction of calcium oxide, CaO, with water yields. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Two ways to approach this. 12. Topic Page No. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. I can balance it by placing 3/2 in front of the O2 like this. Fe… NCERT Exemplar Class 10 Science Chapter 1 Chemical Reactions and Equations will help you in getting an understanding of all the fundamentals of chemical reactions as well as their symbolic representation in terms of equations. The balanced equation will appear above. ÐÏࡱá > þÿ ( * þÿÿÿ ! " Theory 01 - 05 Exercise - 1 06 - 20 Exercise - 2 20 - 34 Exercise - 3 35 - 38 Exercise - 4 38 - 41 Answer Key 42 - 43 Contents Chemical Equlibrium Syllabus Chemical Equlibrium : Types of Equlibrium, Relation between Kp and Kc , Homogeneous and Hetrogeneous Equlibrium, Relation Between Degree of Dissociation and … H2 + Fe3O4 -> Fe + H2O first locate out what we've on the two aspects so... Left facet: Hydrogen (h) = 2 Iron (Fe) = 3 Oxygen (o) = 4 maximum appropriate facet: (h) = 2 (Fe) = a million (o) = a million So first nicely cope with the iron (Fe) cos thats the simplest. If the word equation is incomplete, complete it and write the balanced chemical equation. When a binary compound decomposes, what is produced? 1 Fe 1 in Fe (LHS) 1 x 3. 2. In most compounds, oxygen is in oxidation state -2, so to balance these and get a neutral product molecule, you need 2 Fe^3+ ions (for a total charge of 2×+3 = +6) and 3 O^2- ions (for a total charge of 3×-2 = -6), so the formula is Fe2O3. The balanced equation will appear above. Balancing the simple molecules first, in this case the O2. CS 2 + O 2 CO 2 + SO 2 9. Use uppercase for the first character in the element and lowercase for the second character. It's really easy my friend. initial. What does it mean to be balanced? 7. 3 Fe + 2 O2 = Fe3O4 #BAL #Answerwithquality Many metal hydroxides decompose when heated to yield metal oxides and, When a metal chlorate is heated, it decomposes to yield a metal chloride and, Some acids, such as carbonic acid, decompose to nonmetal oxides and, When heated, metallic chlorates decompose into, In the equation 2Al(s) + 3Fe(NO3)2(aq) -> 3Fe(s) + 2Al(NO3)3(aq), iron has been replaced by, Group 1 metals react with water to produce metal hydroxides and, The replacement of bromine by chlorine in a salt is an example of a single-displacement reaction by, When a slightly soluble solid compound is produced in a double-displacement reaction, a, An insoluble gas that forms in a double-displacement reaction in aqueous solution, In a double-displacement reaction, hydrogen chloride and sodium hydroxide react to produce sodium chloride. Predict what happens when nickel is added to a solution of potassium chloride. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. BALANCING EQUATIONS: FORMULAS GIVEN Practice Sheet #1. Sb + I 2 SbI 3 7. If the word equation is complete, write and balance the chemical equation. An element in the activity series can replace any element. Balance the following chemical equations and write what type of Chemical Reaction 1. The equation A + BX -> AX + B is the general equation for a, In what kind of reaction do the ions of two compounds exchange places in aqueous solution to form two new compounds, The reaction represented by the equation 2Mg(s) + O2(g) -> 2MgO(s) is a, The reaction represented by the equation Mg(s) + 2HCl(aq) -> H2(g) + MgCl2(aq) is a, The reaction represented by the equation 2HgO(s) -> 2Hg(l) + O2(g) is a(n), The reaction represented by the equation Pb(NO3)2(aq) + 2KI(aq) -> PbI2(s) + 2KNO3(aq) is a, The reaction represented by the equation 2KClO3(s) -> 2KCl(s) + 3O2(g) is a(n), The reaction represented by the equation Cl2(g) + 2KBr(aq) -> 2KCl(aq) + Br2(l) is a(n), In one type of synthesis reaction, an element combines with oxygen to yield a(n), The decomposition of a substance by an electric current is called, When heated, a metal carbonate decomposes into a metal oxide and, Oxides of active metals, such as CaO, react with water to produce, An active metal and a halogen react to form a(n). The equation AX + BY -> AY + BX is the general equation for a, The equation A + X -> AX is the general equation for a(n). Your equations and the ones from the two folks who have offered answers all need some tweaking. e. Iodide ions can be oxidized by ozone in acidic medium. 2Fe3O4 + O2 ==> 3Fe2O3 Now you have 6Fe on each side, with 10 O on left and 9 on the right. How would oxygen be represented in the formula equation for the reaction of methane and oxygen to yield carbon dioxide and water? 2Fe(s) + O2(g) --> 2FeO(s) Mg(s) + Cl2(g) --> MgCl2(s) Also, it's … COCl 2 + H 2 O HCl + CO 2 8. Oh no! Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. over the reaction arrow signifies that the reactants are, In the chemical equation 2AlCl3(aq) + 3Pb(NO3)2 (aq) -> 3PbCl2(s) + 2Al(NO3)3(aq), the state of PbCl2 is a(n). Equations are balanced by changing ONLY the coefficients. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button.
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fe o2 = fe3o4 balanced equation 2021