For the given reaction
DeltaH rxn = [sum of DH of products-sum of DH of reactants]
substituting the given values
=[2x(-1118) +(-394) ] - [3x(-824) + (-111)]kJ
= [-2630] -[-2583] kJ
= -47 kJ
thus OPTION 4
Use the information provided to determine AH°rxn for the following reaction: AHºf (kJ/mol) 3 Fe2O3(s) +...
1. Use the information provided to determine AH*rxn for the following reaction: 3 Fe2O3(s) + CO(g) → 2 Fe3O4(s) + CO2(g) AH*rxn = ? kl AH*t (kJ/mol Fe2O3(s) -824 Fe3O4(s) -1118 colg) -111 CO2(9) -394
52) Use the standard reaction enthalpies given below to determine AHryn for the tonowe reaction P4() + 10 C12(e) → 4PC15(s) Hºrxn = ? Given: PC15(s) → PC13(g) + Cl2(e) AHørxn = +157 kJ P4(B) + 6 Cl2(e) → 4 PC13(g) AH*rxn=-1207 kJ A) -1835 kJ B) -1364 kJ C) -1050. kJ D) -1786 kJ E) -2100. kJ 53) Use the standard reaction enthalpies given below to determine AHørxn for the following reaction 4 SO3(e) — 4 S(s) + 6...
Use the AHⓇ and AH°rxn information provided to calculate AHºf for SO3(g): AHºf (kJ/mol) | 2 SO2(g) + O2(g) → 2 SO3(9) AH°rxn = -198 kJ SO2(g) -297 de parte a 2 500) • 03 * 2 500) 0 -578 kJ/mol 0 -248 kJ/mol 0 -495 kJ/mol 0 -396 kJ/mol 0 -792 kJ/mol Submit Request Answer Provide Feedback
Use the AHºf information provided below to calculate AH°rxn for the following reaction: 3 NO2 (9) + H20(1) → 2 HNO3(aq) + NO(g) AHºf (kJ/mol NO2(g) H20(1) + 33.1 - 285.5 HNO3(aq) NO(g) - 207.8 + 90.3
ame CHE 111 5. Using AHºf values calculate AH®rxn for the reaction: Fe2O3(s) + FeCl3(s) + 3NO(g) + 6H20(g) →3Fe(s) + 3NH4C104(5)
Part A Use the information provided to determine AH°rxn for the following reaction: AHⓇ CH4(9) + 4 Cl2(g) → CCl4(g) + 4 AH°rxn = (kJ/mol) HCl(9) CH4(9) -75 CCl4(g) -96 HCl(g) -92 +79 kJ O -389 kJ 0 -113 kJ O +113 kJ O -71 kJ Submit Request Answer
19. Use the AHºf information provided to calculate AHºrxn for the following: 10 pts AHºf (kJ/mol) SO2Cl2(g) + 2 H20(1) ► 2 HC (g) + H2SO4(1) AH°rxn- ? SO2Cl2(g)-364 H20(1) HCl(g) -286 1(-364) + 2 (-286) -2 (-92) + 1 (-814) = -364-572 +184 - 814 -92 H2SO4(1)-814 A) -256 kJ B) +161 kJ C) -62 kJ D) +800. kJ E) -422 kJ
Part A Use the information provided to determine AHºn for the following reaction: AH°; (kJ/mol) CHC13(1) + 3 HCl(g) -CH4(9) + 3 Cl2(9) AHºrn = ? CH (9) -75 CHC130) -134 HCl(9) -92 0 -217 kJ -335 kJ +151 kJ +335 kJ -485 kJ Submit Request Answer
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
Question 6 Use the information provided to determine AHørxn for the following hypothetical reaction: XY4 (8) + 4 Z2(g) - XZ4(g) + 4 YZ(g) AH°rxn = ? compound AHºf (kJ/mol) XY4g) -75 Z2 0 XZ4B) -101 YZ(8) -92