Homework Answers
XeF6(g) --------------- XeF4(s) + F2(g)
S
=
S0f of XeF4 +
S0f of F2 -
S0f of XeF6
S
= 146 + 203 - 300
S
= 49 J/K mol
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MAIN QUESTIO Given the following thermodynamic data calculate AS for the following reaction at 25°C and...
Given the following thermodynamic data calculate ΔS and ΔSsurr for the following reaction at 25°C and...
Given the following thermodynamic data calculate ΔS and ΔSsurr for the following reaction at 25°C and 1 atm. CH4g)+ 2028) CO2g) +2H20(g) So (J/K.mol) 186 205 214 189 ΔΙ!of (kJ/mol) CH4g) 75 02(g) CO2(8) -394 H20(g) -242 J/K J/K Submit Show Hints
Given the reference thermodynamic data below taken at 25°C, calculate the value of the equilibrium constant...
Given the reference thermodynamic data below taken at 25°C, calculate the value of the equilibrium constant for the reaction shown at 800.0°C COCI, (g) 2 CO (g) + Cl2 (g) AG° = 69.46 kJ AH° = 110.38 kJ AS° = 137.24 J/K at 800.0°C
Consider the reaction listed below along with the accompanying thermodynamic data, carried out at 25 °C...
Consider the reaction listed below along with the accompanying thermodynamic data, carried out at 25 °C and 1 atm: 2SO2(g) + O2(g) ↔ 2SO3(g) Substance ∆Hf° (kJ/mol) S° (J/K • mol) SO2(g) -297 248 O2(g) 0 205 SO3(g) -396 257 A.Calculate ∆H°. B. Calculate ∆S°. C. Calculate ∆G°. Is this reaction spontaneous? Briefly explain. D. At what temperature will this reaction first become spontaneous? E. Calculate the equilibrium constant for this reaction.
Given the following reaction and thermodynamic data: A(g) - B(g AH = -42.3 kJ/mol; AS =...
Given the following reaction and thermodynamic data: A(g) - B(g AH = -42.3 kJ/mol; AS = -125.2 J/(mol*K) Is this reaction spontaneous or non-spontaneous? Select one: a. non-spontaneous. o b. spontaneous. c. more information is needed to determine.
6. Use the following thermodynamic data to calculate me following thermodynamic data to calculate AS for...
6. Use the following thermodynamic data to calculate me following thermodynamic data to calculate AS for the formation of Fe2O3 at 298.2 K Species Fe(s) O2(g) Fe2O3(s) AH (kJ/mol-rxn) S (J/Komol-rxn) AH producers - 0.0 27.8 0.0 Alveolu 205.1 -825.5 87.4 -825.5 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) a) -2202.7J/ KX b) -546.2 J/K AS-A Sproducts-AS rearsants c) +546.2 J/K d) +2202.7J/ KV (2 X 87,4)-((4X27.8)+(3x205.1)) e) +4984.9 J/K 1 = 174,8-(111.27615.3) Ssurr -4H = 174,8-726.5 Assus =-551.75l...
Consider the reaction 2N205(a) <-> 4NO2(g) + O2(a) at 25°C for which the following data are...
Consider the reaction 2N205(a) <-> 4NO2(g) + O2(a) at 25°C for which the following data are relevant: AHF N205 11.289 kJ/mol 355.28 J/K mol NO2 33.150 kJ/mol 239.90 J/K mol 02 0kJ/mol 204.80 J/K mol a. Predict the sign of AS for the reaction and explain your reasoning. b. Calculate AS" for the reaction. c. Calculate AH for the reaction. d. Calculate AG for the reaction at 25°C. e. Will the reaction be spontaneous at no temperature, low temperatures only,...
Consider the reaction 2 CO2(g) +5 H2(e) C H2(e) + 4H2O(g) Using the standard thermodynamic data...
Consider the reaction 2 CO2(g) +5 H2(e) C H2(e) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K ANSWER: Submit Answer Retry Entire Group more group attempts remaining AH,(kJ/mol) AG® (kJ/mol) Sº (J/mol K) -238.7 -116.0 126.8 219.0 -363.0 249.0 135.1 -166.3 -110.0 -351.0 125.0 209.2 68.2 - 129.0 202.0 226.7 200.9 52.3 - 166.0 -53.0 -277.7 219.6 250.0 242.0 160.7 -13.0 -235.1 282.7 Carbon CH3OH (1) H2CO...
Calculate the equilibrium constant from the standard free energy change. Using standard thermodynamic data (linked), calculate...
Calculate the equilibrium constant from the standard free energy change. Using standard thermodynamic data (linked), calculate the equilibrium constant at 298.15 K for the following reaction 2502(g) + O2(0) 2503(9) AH°F (kJ/mol) AGⓇ, (kJ/mol sº (/mol K) 205.1 Oxygen 02(0) (9) O3(9) 249.2 231.7 161.1 142.7 163.2 238.9 AH°: (kJ/mol Agºr (kJ/mol) 5° (J/mol K) 31.8 0.3 0.3 278.8 3 3.0 167.8 33.0 - 15.0 Sulfur S(s, rhombic) S(s, monodinic) S(g) Sz"(aq) Sg(9) SzCl2(g) SF6(9) H2S(9) soz(9) SO3(0) 1 0....
problem #9 Calculate the equilibrium constant for the following reaction at 25°C. 2H2(g) + O2(g) 2H20cv)...
problem #9 Calculate the equilibrium constant for the following reaction at 25°C. 2H2(g) + O2(g) 2H20cv) Given the following standard free-energy: H2O , -237.2 KJ/mol at 25°C. Problem #10. Given the following data at 25°C: substance sº (J/mol.K) AH', (KJ/mol) 240.45, 33.8 304.33 9.66 NO 249) N2O160) (a) Calculate the value of A Gº for the following reaction at 25°C: 2 NO2(9) N20 (9) (b) Is the formation of NO a spontaneous process at 25°C and standard-state conditions? (a) What...
Consider the reaction, NH3 (8) H HC ENH1G(s) Given the following table of thermodynamic data at...
Consider the reaction, NH3 (8) H HC ENH1G(s) Given the following table of thermodynamic data at 298 K: Substana | AH¢{kj/mol | Sº C/K-mol) NH3 (5) 16:19 192.5 HCl (8) 92150 186,69 NHCl (s) 13144 94.6 The value of K for the reaction at 25°C is
Given the following thermodynamic data calculate ΔS and ΔSsurr for the following reaction at 25°C and 1 atm. CH4g)+ 2028) CO2g) +2H20(g) So (J/K.mol) 186 205 214 189 ΔΙ!of (kJ/mol) CH4g) 75 02(g) CO2(8) -394 H20(g) -242 J/K J/K Submit Show Hints
Given the reference thermodynamic data below taken at 25°C, calculate the value of the equilibrium constant for the reaction shown at 800.0°C COCI, (g) 2 CO (g) + Cl2 (g) AG° = 69.46 kJ AH° = 110.38 kJ AS° = 137.24 J/K at 800.0°C
Given the following reaction and thermodynamic data: A(g) - B(g AH = -42.3 kJ/mol; AS = -125.2 J/(mol*K) Is this reaction spontaneous or non-spontaneous? Select one: a. non-spontaneous. o b. spontaneous. c. more information is needed to determine.
6. Use the following thermodynamic data to calculate me following thermodynamic data to calculate AS for the formation of Fe2O3 at 298.2 K Species Fe(s) O2(g) Fe2O3(s) AH (kJ/mol-rxn) S (J/Komol-rxn) AH producers - 0.0 27.8 0.0 Alveolu 205.1 -825.5 87.4 -825.5 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) a) -2202.7J/ KX b) -546.2 J/K AS-A Sproducts-AS rearsants c) +546.2 J/K d) +2202.7J/ KV (2 X 87,4)-((4X27.8)+(3x205.1)) e) +4984.9 J/K 1 = 174,8-(111.27615.3) Ssurr -4H = 174,8-726.5 Assus =-551.75l...
Consider the reaction 2N205(a) <-> 4NO2(g) + O2(a) at 25°C for which the following data are relevant: AHF N205 11.289 kJ/mol 355.28 J/K mol NO2 33.150 kJ/mol 239.90 J/K mol 02 0kJ/mol 204.80 J/K mol a. Predict the sign of AS for the reaction and explain your reasoning. b. Calculate AS" for the reaction. c. Calculate AH for the reaction. d. Calculate AG for the reaction at 25°C. e. Will the reaction be spontaneous at no temperature, low temperatures only,...
Consider the reaction 2 CO2(g) +5 H2(e) C H2(e) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K ANSWER: Submit Answer Retry Entire Group more group attempts remaining AH,(kJ/mol) AG® (kJ/mol) Sº (J/mol K) -238.7 -116.0 126.8 219.0 -363.0 249.0 135.1 -166.3 -110.0 -351.0 125.0 209.2 68.2 - 129.0 202.0 226.7 200.9 52.3 - 166.0 -53.0 -277.7 219.6 250.0 242.0 160.7 -13.0 -235.1 282.7 Carbon CH3OH (1) H2CO...
Calculate the equilibrium constant from the standard free energy change. Using standard thermodynamic data (linked), calculate the equilibrium constant at 298.15 K for the following reaction 2502(g) + O2(0) 2503(9) AH°F (kJ/mol) AGⓇ, (kJ/mol sº (/mol K) 205.1 Oxygen 02(0) (9) O3(9) 249.2 231.7 161.1 142.7 163.2 238.9 AH°: (kJ/mol Agºr (kJ/mol) 5° (J/mol K) 31.8 0.3 0.3 278.8 3 3.0 167.8 33.0 - 15.0 Sulfur S(s, rhombic) S(s, monodinic) S(g) Sz"(aq) Sg(9) SzCl2(g) SF6(9) H2S(9) soz(9) SO3(0) 1 0....
problem #9 Calculate the equilibrium constant for the following reaction at 25°C. 2H2(g) + O2(g) 2H20cv) Given the following standard free-energy: H2O , -237.2 KJ/mol at 25°C. Problem #10. Given the following data at 25°C: substance sº (J/mol.K) AH', (KJ/mol) 240.45, 33.8 304.33 9.66 NO 249) N2O160) (a) Calculate the value of A Gº for the following reaction at 25°C: 2 NO2(9) N20 (9) (b) Is the formation of NO a spontaneous process at 25°C and standard-state conditions? (a) What...
Consider the reaction, NH3 (8) H HC ENH1G(s) Given the following table of thermodynamic data at 298 K: Substana | AH¢{kj/mol | Sº C/K-mol) NH3 (5) 16:19 192.5 HCl (8) 92150 186,69 NHCl (s) 13144 94.6 The value of K for the reaction at 25°C is
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