Calculate the standard free-energy change at 25°C for the reduction of iron (III) oxide with carbon...
The reduction of iron(III) oxide (Fe203) to pure iron during the first step of steelmaking 2 Fe2O3(s) 4 Fe(s) + 3 O2(g) is driven by the high-temperature combustion of coke, a purified form of coal: Cs)+O2(8) CO2(g) alo AG of CO2 and Fe,03 are Suppose at the temperature of a blast furnace the Gibbs free energies of formation Ar 447. kJ/mol and 801. kJ/mol, respectively. Calculate the minimum mass of coke needed to produce 3000. kg of pure iron. Round...
Part A Use standard free energies of formation to determine AG for this reaction at 25° C. rxn Express the free energy change to four significant figures and include the appropriate units. ? kJ AG Value rXn mol Request Answer Previous Answers Submit XIncorrect; Try Again; 5 attempts remaining You may want to reference (Page) Section 18.8 while completing this problem. G One of the reactions that occurs within a catalytic converter in the exhaust pipe of a car is...
5. Iron(III) oxide reacts with carbon monoxide to produce iron and carbon dioxide according to the following reaction: Fe2O3 + 3 CO → 2 Fe + 3 CO2 a) What is the percent yield of iron if 15.0 grams of FE is actually produced by reacting 65.0 of iron(III) oxide? b) What is the percent yield of carbon dioxide if the reaction produces 85.0 grams of carbon dioxide from 75.0 grams of carbon monoxide?
Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the AGⓇ values. 3 H2(g) + Fe, 0,(s) 2 Fe(s) + 3 H2O(g) AG" Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs free energy of formation values can be found in this table. C,H,(8) +4 C1,() 2 CCI, (1) + H2(g) AGE. kJ/mol
Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs free energy of formation values can be found in this table. 3H2(g) + Fe,0,($) 2Fe(s) + 3 H,0 () AGran kJ/mol
9. Carbon monoxide (CO) is toxic because it can displace oxygen (O2) from the iron in hemoglobin (Hgb) following the reaction: HgbO2 (s) + CO(g) + Hgbco (s) + O2 (g) AG®rx = -30. kl/mol A. Consider the following reactions involving hemoglobin, O2 and Co: Hgboz (s) + Hgb (s) + O2 (g) AG®rxn = 40. kJ/mol HgbCO (s) -- Hgb (s) + CO (6) AGºrx = ??? Using Hess's law, determine the free energy AG*rn (in kJ/mol) for the...
47. Iron (III) oxide reacts with carbon monoxide according to the equation: Fe2O3(s) + 3 CO(g) 2 Fe(s) +3 CO2(8) A reaction mixture initially contains 22.55 g Fe203 and 14.78 g CO. Once the reaction has occurred as completely as possible, what mass (in g) of the excess reactant remains?
Calculate the standard free-energy change for this reaction at 25 °C. A list of standard reduction potentials can be found in this table. 2 Au3+(a)3Zn(s)2 Au(s) 3Zn2*(aq) kJ/mol
Question 5 5 pts Calculate the standard free energy change for the reduction of Fe, o, by hydrogen to produce iron metal and water vapor at 230 °C using the data provided. AHF,0, --8242 KJ-mol-1 AHH,0 = -2418 kJ mol S298 Fe30,- 874 ) mol%. S998 H2 - 130.6 mol S98 Fe - 27.3 J-molk! S%99H20 - 188.7 J-mol-K a. 98.8 kJ b. 142JK C.-7.13 x 10ºkJ d. 27.4k
Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction: Ca2+(aq) + 2Cut (aq) *C(s) + 2Cu2+(aq) Answer: K for this reaction would b than one. greater less Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction: ca2+(aq) + 2Cu(aq)+Ca(s) + 2Cu2+(aq) kJ K for this reaction would b than one. greater Answer: less Use standard reduction potentials to calculate the standard free energy change in kJ...