
Under the conditions shown below for the following reaction. Fe2O3(s) + 3 CO(g) - 2 Fe(s)...
Given the following reactions:
Fe2O3(s) + 3 CO(g)2
Fe(s)+ 3 CO2(g)
H=-28.0kJ
2 Fe(s) + 4 CO2(g)4
CO(g) + Fe3O4(s)
H = +12.5 kJ
3 Fe2O3(s) + CO(g) ? CO2(g) + 2 Fe3O4(s)
Find the enthalpy of the reaction of Fe2O3 with CO
Important industrial processes, such as converting iron ore to iron and then to steel, involve coupling a non-spontaneous reaction, such as reducing Fe2O3 (iron ore)to metallic iron, with a spontaneous process such as the oxidation of carbon in CO to CO2: Fe2O3 (s) + 3 CO (g) 2 Fe (s) + 3 CO2 (g) Reagent ΔHºf (kJ/mol) ΔSº(J/mol*K) Fe2O3 (s) -824.2 87.4 CO (g) -110.5 197.7 Fe(s) 0 27.3 CO2 (g) -393.5 213.8 Use the thermodynamic data provided above to determine...
Calculate
H
for this reaction: FeO(s) + CO(g)
Fe(s) + CO2(g)
Given: Fe2O3(S) + CO(g)
2FeO(s) + CO2(g) H=
+38 kJ
Fe2O3(s) + 3CO(g)
2Fe(s) + 3CO2(g)
H=
-28 kJ
→ Fe(s) + CO2(g), AGº is - 5.8 kJ and AH° is -11 kJ. Sº (J mol-? K-'); 4. For the reaction Fe(s) + CO(g) Fe (27.3), CO(197.5), CO (213.7) a) What is AS sur? [37 JK-'] b) Use AG to determine whether the reaction is spontaneous or nonspontaneous under standard conditions. Explain. c) Use AS univ to determine whether the reaction is spontaneous or nonspontaneous under standard conditions. Explain. d) What is Sº for FeO? [61 J mol-'K-']
Calculate AG for the reaction 2 SO2 (g) + O2 (g) → 2 SO3 (g) when P of SO2 = 0.500 atm, P of O2 = 0.0100 atm, and P of SO3 = 0.100 atm. The value for AGº for this reaction at 298 K is -141.6 kJ. AG= O * kJ Is this reaction spontaneous or non-spontaneous under these conditions? Spontaneous or non-spontaneous? spontaneous
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Fe2O3(s) + 3H2(g) +2Fe(s) + 3H2O(g) Using standard absolute entropies at 298K, calculate the entropy change for the system when 2.37 moles of Fe2O3() react at standard conditions. AS system JK 2CO(g) + O2(g) +2CO2(g) Using standard absolute entropies at 298K, calculate the entropy change for the system when 1.54 moles of CO(g) react at standard conditions. AS system JK 2NH3(g) + 3N20(g)— 4N2(g) + 3H2O(g) AH = -879.5 kJ and AS° = 288.1 J/K The...
3) Answer all parts of the following question. a. The reaction: Al(s) + Fe2O3(s) → Fe(s) + Al2O3(s) has ΔH = -847.6 kJ and ΔS = -41.3 J/K at 25°C. Calculate ΔG and determine if it is spontaneous. b. Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → CO2(g) + Fe(s) ΔH = -11.0 kJ; ΔS = -17.4 J/K c. Find ΔSsurr and predict whether or not this reaction will be spontaneous at 398 K. NH3(g)...
Chapter 18 Thermodynamics Homework 1.Predict the sign of AS for each process: a) The boiling of water b)2HgO(s)-2Hg(I) + 02(s) c) CaCO, (s)CaO(s)+ CO (g) 2. Is the following process spontaneous or nonspontaneous at a given temperature? NaNO,(s) ->NaNO,(aq) 3. If a reaction has ΔS < 0 and ΔΗ < 0 will the reaction always be spontaneous, spontaneous at low T, spontaneous at high T, or never spontaneous? 4.Consider this reaction: Calculate ΔG at 25 °C and determine whether the...
2. Determine: 2 Fe2O3 (s) + 3 C(s) + 3 CO2 (g) + 4 Fe (s) Given: 2 Fe (s) + 3/2 O2 (g) → Fe2O3 (s) C(s) + 1/2 O2 (g) → CO (g) CO (g) + 1/2 O2 (g) → CO2 (g) AH = -822.2 kJ AH = -110.5 kJ AH = -283.0 kJ
Calculate ΔGrxn at 298 K under the conditions shown below for the following reaction. 3 O2(g) → 2 O3(g) ΔG° = +326 kJ P(O2) = 0.20 atm, P(O3) = 0.038 atm kj = ?