The following questions refer to the following reaction at 25°C and 1 atm. 2Fe(s) + (3/2)O2(g)...
The following question (10,11) refere to the following reaction at constant 25C and 1 atm. - 6 Q © 2.17 A mh o © 135% T worumu - nu The following questions (10 & 11) refer to the following reaction at constant 25°C and 1 atm. AH =-791 kJ/mol 27 2Fe(s) + (3/2)02(g) + 3H2O(1) ► 2Fe(OH)3(s) Substance Sº (J/mol K) Fe(OH),(s) 107 Fe(s) 02(g) 205 H2O(1) 10. Determine ASgurr for the reaction (in kJ/mol K) A) 3.14 B) 0.937...
Given that: 2Al(s)+(3/2)O2(g)--->Al2O3(s) change in H(rxn)= -1601 kJ/mol 2Fe(s)+(3/2)O2(g)--->Fe2O3(s) change in H(rxn)= -821 kJ/mol Calculate the standard enthalpy change for the following reaction: 2Al(s)+Fe2O3(s)--->2Fe(s)+Al2O3(s) _______kJ
11. For the reaction Fe2O3(s) + 3H2(g) +2Fe(s) + 3H2O(g) AH° = 98.8 kJ and AS° = 142.5 J/K The equilibrium constant for this reaction at 345.0 K is Assume that AHⓇ and AS are independent of temperature. For the reaction 2502(g) + O2(g) +2503(g) AH° = -197.8 kJ and AS° = -187.9 J/K The equilibrium constant for this reaction at 272.0 K is Assume that AH° and AS are independent of temperature.
17. For the reaction: 4 Al (s) + 3 O2 (g) ? 2 A1203 (s), what is the value of ASuniv under standard conditions? ??? (Al2O3 (s) ,--1676 kJ mol-1, S° (A203 (s) 50.92 J mol1 K-, So (Alo) 28.33 J mo-1K-1, S (02() 205.1 J mol- K-1 A. -11.88 kJ K- B. 4.997 kJ K-1 C. 5.478 kJ K-1 D. 6.25 kJ K-1 E. 10.62 kJ K-
Given the standard enthalpy changes for the following two reactions: (1) 2Fe(s) + O2(g)— 2FeO(S) AH° = -544.0 kJ (2) 2Zn(s) + O2(g)— 2ZnO(8) AH° = -696.6 kJ what is the standard enthalpy change for the reaction: (3) Fe(s) + Zn(s) Fe(s) + Zno(s) AH° = ? kJ Submit Answer
2.Calculate the enthalpy of reaction for the following reaction: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) ΔHfo(Fe2O3(s)) = -824.2 kJ/mol ΔHfo(CO(g)) = -110.5 ΔHfo(Fe(s)) = ? ΔHfo(CO2(g)) = -393.5 kJ/mol
15. Determine the standard enthalpy of formation of Fe2O3(s), 2Fe(s) + 1.5 02 (g) → Fe2O3(s) given the thermochemical equations below. (4 points) AFH° = +160.9 kJ/mol-rxn Fe(s) + 3 H20(8) - Fe(OH)3(s) + 3/2 H (9) H2(g) + 1/2 O2(g) → H2O(6) Fe2O3(s) + 3 H2O(0) - 2 Fe(OH)3(8) A-H° = -285.8 kJ/mol-rxn A,Hº = +288.6 kJ/mol-rxn
1.) or the reaction Fe2O3(s) + 3H2(g)2Fe(s) + 3H2O(g) H° = 98.8 kJ and S° = 142.5 J/K The equilibrium constant for this reaction at 348.0 K is 2.) For the reaction C2H4(g) + H2O(g)CH3CH2OH(g) H° = -45.6 kJ and S° = -125.7 J/K The equilibrium constant for this reaction at 275.0 K is looking for the equilibrium constants
Given the standard enthalpy changes for the following two reactions: (1) 2Fe(s) + O2(g) 2FeO(s) AH°=-544.0 kJ (2) 2Hg)+ O2(g) +2HgO(s) AH°=-181.6 kJ what is the standard enthalpy change for the reaction: (3) FeO(s)+ Hg()Fe(s) + HgO(s) AH ? kJ
Which one of the following is FALSE? The following reaction 2 NO2(g) → 2 NO(g) + O2(g), Ahº, 1xn = +113.5 kJ, is not spontaneous at any temperature For the following reaction 2CO(g) + O2(g) → 2002(g) + 4 H2O(g), AH°rxn=-566 kJ, ASuniv is positive at low temperature but negative al high temperature Ο If ΔΗ. Orxn=-115 kJ and AsOrxn = +263 J/K, then ASuniv> 0 at all temperatures For the following reaction CO2(g) → C(s) + O2(g), AH, =...