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Question 6 1 pts Which of the following reactions is a standard formation reaction (i.e. АHræn...
5. Using standard heats of formation, calculate AH for 4 FeO (s) + O2(g) → 2...
5. Using standard heats of formation, calculate AH for 4 FeO (s) + O2(g) → 2 Fe2O3 (s) AH1 of FeO (s) = -272.0 kJ/mol AHºf of Fe2O3 (s) = -825.5 kJ/mol 3. Given 3 C (s) + 4 H2(g) → C3H8 (9) AH = -103.85 kJ/mol C(s) + O2(g) + CO2(g) AH = -393.5 kJ/mol H2 (g) + 12 O2(g) → H2O (1) AH = -285.8 kJ/mol find AH for C3H8 (g) + 5 O2(g) → 3 CO2 (g)...
5 Determine the standard enthalpy of formation of Fe2O3(s) given the thermochemical equations below. 2Fe(s) +...
5 Determine the standard enthalpy of formation of Fe2O3(s) given the thermochemical equations below. 2Fe(s) + 3/2 O2(g) → Fe2O3(s) AH(Fe2O3) = ? Fe(s) + 3 H2O() Fe(OH)3(s) + 3/2 H2(g) AH° = +160.9 kJ/mol-rxn H2(g) + 1/2O2(g) → H2O(1) A.H° = -285.8 kJ/mol-rxn Fe2O3(s) + 3 H2O(1) ► Fe(OH),(s) A,Hº +288.6 kJ/mol-rxn
1. Based on the standard free energies of formation, which of the following reactions represent a...
1. Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? N2(g)+H2(g)?N2H4(g); ?G?f=159.3 kJ/mol 2Na(s)+O2(g)?Na2O2(s); ?G?f=?447.7 kJ/mol C(s)+2S(s)?CS2(g); ?G?f=67.1 kJ/mol Ca(s)+12O2(g)?CaO(s); ?G?f=?604.0 kJ/mol Feasible synthesis Not a feasible synthesis
Based on the standard free energies of formation, which of the following reactions represent a feasible...
Based
on the standard free energies of formation, which of the following
reactions represent a feasible way to synthesize the product? Drag
the appropriate items to their respective bins.
Reset Help 2Na(s) + O2(g) +Na2O2(s) AGE = -451.0 kJ/mol 2CO(g) + O2(g)+2C02(g) AGE = -788.0 kJ/mol N2(g) + O2(g) +2NO(g) AGE = 173.2 kJ/mol 2C(s) + H2(g) +C2H2(g) AGE = 209.2 kJ/mol Feasible synthesis Not a feasible synthesis
Part A Based on the standard free energies of formation, which of the following reactions represent...
Part A Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? Drag the appropriate items to their respective bins. View Available Hint(s) Help Reset 2CO(g)+02(8)+2CO2 (g) AG=-788.0 kJ/mol N2 (g)+O2(g)-2NO (g) AG= 173.2 kJ/mol 2Na(s)+02(8) -Na, O, (s) AGi=-451.0 kJ/mol 2C(s)+ H2(g)-C2H2 (8) 209.2 kJ/mol AGi Not a feasible synthesis Feasible synthesis
Part A Several reactions and their standard reaction enthalpies at 298.15 K are given here: AH...
Part A Several reactions and their standard reaction enthalpies at 298.15 K are given here: AH (kJ · mol-?) CaC2 (s) + 2H2O(1) + Ca(OH)2 (s) + C2H2 (g) –127.9 Ca(s) + O2(g) → Cao(s) CaO(s) +H2O(1) + Ca(OH)2(s) -65.2 -635.1 The standard enthalpies of combustion of graphite and C2H2(g) are –393.51 and — 1299.58 kJ · mol-? respectively. Calculate the standard enthalpy of formation of CaC2(s) at 25°C. Express your answer to one decimal place and include the appropriate...
18. Which of the following is the formation reaction for NaBr, corresponding to AH2 A. HBr(aq)...
18. Which of the following is the formation reaction for NaBr, corresponding to AH2 A. HBr(aq) + NaOH(aq) H:0(1) + NaBr(aq) B. Na(s) - V2 Brz() NaBr(s) C. 2 Na(s) + Brz(1) ► 2NaBr(s) D. Na(g) + Br(g) NaBr(s) E. NaBr(s) Na (aq) + Br(aq) 19. Which of the following systems" should have a positive change in entropy? A. 2 H2(g) + O2(g) → 2 H 0(0- B 2 H2(g) + O2(g) + 2 H2O(g) C. H2O(1) H.O(s) D. N204(0)...
Question 6 1 pts For which of the following reactions is AHn equal to AHf of...
Question 6 1 pts For which of the following reactions is AHn equal to AHf of the product? You do not need to look up any values to answer this question. Select all that apply. 1/2O2(g) + H20(g) H202(g) Na (g) + F(g) NaF(s) O K(g)+ 1/2 CI2(g) KCI(s) O 02(g)+ 2 N2lg) 2 N20(g) None of the above 1 pts Question 7 The following table lists some enthalpy of formation values for selected substances. Substance AHf(kJ/mol)
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the...
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the correct formation equation corresponding to this AHP? 2 C(s, graphite) + 2 H2O(1) CH,COOH(1) 2 C(s, graphite) + 2 H2(g) O2(0) CH,COOH(I) 2 C(s, graphite) + 2 H2O() CHCOOH(1) 2 C(s, graphite) + 2 H2(1) 10 (1) CHCOOH() Submit Resuest Answer Provide Feedback
step by step please 1/1 pts Question 12 Thermodynamic Quantities for Selected Substances at 298.15 K...
step by step please
1/1 pts Question 12 Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) Substance ΔΗ°F (kJ/mol) AGOF (kJ/mol S (J/K- mol) 1.88 2.84 2.43 5.69 C (s, diamond) C(s. graphite) C2H2(g) C2H4 (8) C2H6 (g) CO(g) CO2 (g) H2(g) O2(g) H2O(0) 226.7 52.30 -84.68 -110.5 -393.5 0 0 -285.83 209.2 200.8 68.11 219.4 -32.89 229.5 -137.2 197.9 -394.4 213.6 0 130.58 0 205.0 -237.13 69.91 The value of AH°for the catalytic hydrogenation of acetylene to ethane,...
5. Using standard heats of formation, calculate AH for 4 FeO (s) + O2(g) → 2 Fe2O3 (s) AH1 of FeO (s) = -272.0 kJ/mol AHºf of Fe2O3 (s) = -825.5 kJ/mol 3. Given 3 C (s) + 4 H2(g) → C3H8 (9) AH = -103.85 kJ/mol C(s) + O2(g) + CO2(g) AH = -393.5 kJ/mol H2 (g) + 12 O2(g) → H2O (1) AH = -285.8 kJ/mol find AH for C3H8 (g) + 5 O2(g) → 3 CO2 (g)...
5 Determine the standard enthalpy of formation of Fe2O3(s) given the thermochemical equations below. 2Fe(s) + 3/2 O2(g) → Fe2O3(s) AH(Fe2O3) = ? Fe(s) + 3 H2O() Fe(OH)3(s) + 3/2 H2(g) AH° = +160.9 kJ/mol-rxn H2(g) + 1/2O2(g) → H2O(1) A.H° = -285.8 kJ/mol-rxn Fe2O3(s) + 3 H2O(1) ► Fe(OH),(s) A,Hº +288.6 kJ/mol-rxn
Based
on the standard free energies of formation, which of the following
reactions represent a feasible way to synthesize the product? Drag
the appropriate items to their respective bins.
Reset Help 2Na(s) + O2(g) +Na2O2(s) AGE = -451.0 kJ/mol 2CO(g) + O2(g)+2C02(g) AGE = -788.0 kJ/mol N2(g) + O2(g) +2NO(g) AGE = 173.2 kJ/mol 2C(s) + H2(g) +C2H2(g) AGE = 209.2 kJ/mol Feasible synthesis Not a feasible synthesis
Part A Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesize the product? Drag the appropriate items to their respective bins. View Available Hint(s) Help Reset 2CO(g)+02(8)+2CO2 (g) AG=-788.0 kJ/mol N2 (g)+O2(g)-2NO (g) AG= 173.2 kJ/mol 2Na(s)+02(8) -Na, O, (s) AGi=-451.0 kJ/mol 2C(s)+ H2(g)-C2H2 (8) 209.2 kJ/mol AGi Not a feasible synthesis Feasible synthesis
Part A Several reactions and their standard reaction enthalpies at 298.15 K are given here: AH (kJ · mol-?) CaC2 (s) + 2H2O(1) + Ca(OH)2 (s) + C2H2 (g) –127.9 Ca(s) + O2(g) → Cao(s) CaO(s) +H2O(1) + Ca(OH)2(s) -65.2 -635.1 The standard enthalpies of combustion of graphite and C2H2(g) are –393.51 and — 1299.58 kJ · mol-? respectively. Calculate the standard enthalpy of formation of CaC2(s) at 25°C. Express your answer to one decimal place and include the appropriate...
18. Which of the following is the formation reaction for NaBr, corresponding to AH2 A. HBr(aq) + NaOH(aq) H:0(1) + NaBr(aq) B. Na(s) - V2 Brz() NaBr(s) C. 2 Na(s) + Brz(1) ► 2NaBr(s) D. Na(g) + Br(g) NaBr(s) E. NaBr(s) Na (aq) + Br(aq) 19. Which of the following systems" should have a positive change in entropy? A. 2 H2(g) + O2(g) → 2 H 0(0- B 2 H2(g) + O2(g) + 2 H2O(g) C. H2O(1) H.O(s) D. N204(0)...
Question 6 1 pts For which of the following reactions is AHn equal to AHf of the product? You do not need to look up any values to answer this question. Select all that apply. 1/2O2(g) + H20(g) H202(g) Na (g) + F(g) NaF(s) O K(g)+ 1/2 CI2(g) KCI(s) O 02(g)+ 2 N2lg) 2 N20(g) None of the above 1 pts Question 7 The following table lists some enthalpy of formation values for selected substances. Substance AHf(kJ/mol)
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the correct formation equation corresponding to this AHP? 2 C(s, graphite) + 2 H2O(1) CH,COOH(1) 2 C(s, graphite) + 2 H2(g) O2(0) CH,COOH(I) 2 C(s, graphite) + 2 H2O() CHCOOH(1) 2 C(s, graphite) + 2 H2(1) 10 (1) CHCOOH() Submit Resuest Answer Provide Feedback
step by step please
1/1 pts Question 12 Thermodynamic Quantities for Selected Substances at 298.15 K (25°C) Substance ΔΗ°F (kJ/mol) AGOF (kJ/mol S (J/K- mol) 1.88 2.84 2.43 5.69 C (s, diamond) C(s. graphite) C2H2(g) C2H4 (8) C2H6 (g) CO(g) CO2 (g) H2(g) O2(g) H2O(0) 226.7 52.30 -84.68 -110.5 -393.5 0 0 -285.83 209.2 200.8 68.11 219.4 -32.89 229.5 -137.2 197.9 -394.4 213.6 0 130.58 0 205.0 -237.13 69.91 The value of AH°for the catalytic hydrogenation of acetylene to ethane,...
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