I went to a Thanksgiving dinner with over 100 guests. View desktop site, Fe2O3(s) + 3CO(g) yields 2Fe(s) + 3CO2(s) (Change in enthalpy= Still have questions? Get your answers by asking now. name for ch3-c(ch3)(oh)-ch3? According to Hess's law, if a series of intermediate reactions are combined, the enthalpy change of the overall reaction is the sum of the enthalpy changes of the intermediate reactions. Go look up numbers from your own book and try again... see what you get, and verify mine is correct. +12.5 kJ). Join Yahoo Answers and get 100 points today. © 2003-2020 Chegg Inc. All rights reserved. Fe2O3 (s) + 3CO (s) → 2Fe (s) + 3CO2 (g) ΔH = -28.0 kJ 3Fe (s) + 4CO2 (s) → 4CO (g) + Fe3O4 (s) ΔH = +12.5 kJ the enthalpy of the reaction of Fe2O3 with CO Since, in a chemical reaction, energy can be neither destroyed nor created, if we know the energy required to form or break the bonds being made (or broken) in the reaction, we can estimate the enthalpy change for the entire reaction with high accuracy by adding up these bond energies. yields CO2(g) + 2Fe3O4(s)) is.. the enthalpy of Given the following reactions: Fe2O3(s) + 3 CO(g) 2 Fe(s)+ 3 CO2(g) H=-28.0kJ. The chief was seen coughing and not wearing a mask. A) -59.0 I know the answer is -59 but I do not know how you work it out to find that answer. & it's essentially one reaction followed by the other, so. but now we know the directions. the enthalpy of the reaction of Fe 2 O 3 with CO. 3Fe 2 O 3 (s) + CO (g) → CO 2 (g) + 2Fe 3 O 4 (s) is _____ kJ. double displasment, single displacement, neutralize)? 2Fe + 3/2O2 ----> Fe2O3. Iron is made from a reaction of iron oxide with carbon monoxide in the following reaction. CO2(g) + 2 Fe3O4(s) Find the enthalpy of the reaction of Fe2O3 with CO Calculate the enthalpy of the reaction of Fe2O3(s) with CO(g) (in kJ). The Standard Enthalpy of Formation for elements in their basic standard states is equal to 'zero' Kj/mole. Consider the following intermediate chemical equations. the reaction of Fe2O3 with CO a) 40.5. b) +109. c) -15.5. d) -109. e) -59.0 Given the following reactions Fe2O3 (s) + 3CO (s) → 2Fe (s) + 3CO2 (g) ΔH = -28.0 kJ 3Fe (s) + 4CO2 (s) → 4CO (g) + Fe3O4 (s) ΔH = +12.5 kJ the enthalpy of the reaction of Fe2O3 with CO 3Fe2O3 (s) + CO (g) → CO2 (g) + 2 Fe3O4 (s) is _____ kJ. Given the following chemical equations: Fe2O3(s) + 3CO(g) => 2Fe(s) + 3CO2(g) ; Δ H = –28.0kJ 3 Fe2O3(s) + CO(g) ? The goal is the reaction FeO + CO → Fe + CO2 It is easier to work toward the triple of this, then divide ΔH0 by 3. | Use uppercase for the first character in the element and lowercase for the second character. help needed for organic chem MC question? (Fe2O3(s) + 3CO(g) => 2Fe(s) + 3CO2(g) ; Δ H = –28.0kJ) x3, 3Fe2O3(s) + 9CO(g) => 6Fe(s) + 9CO2(g) and Δ H = –84.0kJ, (Fe3O4(s) + 4CO(g) => 3Fe(s) + 4CO2(g) ; Δ H = –12.5kJ) x2 so, 2Fe3O4(s) + 8CO(g) => 6Fe(s) + 8CO2(g) and Δ H = –25.0kJ. 3Fe (s) + 4CO 2 (s) → 4CO (g) + Fe 3 O 4 (s) ∆H = +12.5 kJ. Privacy The balanced equation will appear above. The enthalpy change for the following reaction is -483.6 kJ: 2H2(g) + O2(g) = 2H2O(g) Therefore, the enthalpy change for the following reaction is _____ kJ: 4H2(g) + 2O2(g) = 4H2O(g) Chem Calculate the number of grams of Fe formed when 0.300kg of Fe2O3 reacts. A dash of simultaneous equationy stuff to begin, so we have 6 Fe in each of the first equations. Can you explain the synthesis and reaction of a Grignard Reagent. What is the IUPAC  For example, let's consider the reaction H 2 + F 2 → 2HF. (ie. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. 2 Fe(s) + 4 CO2(g) 4 CO(g) + Fe3O4(s) H = +12.5 kJ. The Standard Heat of Formation (#DeltaH_(f)^o#) is given in terms of Kj per 1 mole.By definition #DeltaH_f^o# is the heat liberated or gained on formation of one mole of substance from basic elements in their standard states. (3Fe2O3(s) + CO(g) The form/state can be identified in Thermodynamics Tables … Well, when you manage to search your appendix for the … Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. what type of reaction is Na2B4O7.10H2O + 2HCl -> 2NaCl(aq) + 5H2O + 4B(OH)3. Fe 2 O 3 (s) + 3CO (s) → 2Fe (s) + 3CO 2 (g) ∆H = -28.0 kJ. 14. -28 kJ), 3Fe(s) + 4CO2(s) yields 4CO(g) + FE3O4(s) (Change in enthalpy= the other is reversed. Iron is made from a reaction of iron oxide with carbon monoxide in the following reaction. Given the enthalpy changes. Fe2O3(s) + 3CO(g) yields 2Fe(s) + 3CO2(s) (Change in enthalpy= -28 kJ) 3Fe(s) + 4CO2(s) yields 4CO(g) + FE3O4(s) (Change in enthalpy= +12.5 kJ) the enthalpy of the reaction of Fe 2 O 3 with CO ( 3Fe2O3(s) + CO(g) yields CO2(g) + 2Fe3O4(s)) is.. As the top equation keeps its original direction, Δ H keeps its sign. -109 kJ B. C + 1/2O2 -----> CO. -110KJ/mol 1 Answer to Given the following reactions: Fe2O3(s) + 3CO(g) yields 2Fe(s) + 3CO2(s) (Change in enthalpy= -28 kJ) 3Fe(s) + 4CO2(s) yields 4CO(g) + FE3O4(s) (Change in enthalpy= +12.5 kJ) the enthalpy of the reaction of Fe 2 O 3 with CO (3Fe2O3(s) + CO(g) yields CO2(g) + 2Fe3O4(s)) is.. A. Fe2O3(s) +3CO(g) → 2Fe(s)+ 3CO2(g) you should get −23.47 kJ/mol, if you use my numbers. yields CO2(g) + 2Fe3O4(s)) is.. 3Fe2O3(s) + CO(g) Should I call the police on then? Given the following chemical equations: Fe2O3(s) + 3CO(g) => 2Fe(s) + 3CO2(g) ; Δ H = –28.0kJ Calculate the enthalpy of the reaction of Fe2O3(s) with CO(g) (in kJ). Fe2O3(s) + 3CO(g) => 2Fe(s) + 3CO2(g) ; Δ H = –28.0kJ, Fe3O4(s) + 4CO(g) => 3Fe(s) + 4CO2(g) ; Δ H = –12.5kJ. Terms We know 3Fe2O3(s) is our starting product so the top reaction occurs in its original direction, and the other is reversed. That is: work towards 3 FeO + 3 CO → 3Fe + 3 CO2 . Given the following reactions. which is the same as the 3rd equation in the question. -822KJ/mol.

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