Çalculate the standard free energy of the following reactions at 25°C, using standard free energies of formation Substance AG; (kJ/mol) Al, O3 (s) -1582.3 HCN(1) H2O(9) CO2 (9) 124.9 -228.6 -394.4 a. For the reaction 4Al(s) + 302 (9) → 2Al2O3(s) Standard free energy = kJ b. For the reaction 4HCN(1) + 502(9) → 2H2O(g) + 4CO2 (9) + 2N2(g) Standard free energy = kJ
Çalculate the standard free energy of the following reactions at 25°C, using standard free energies of formation Substance AG; (kJ/mol) Al, O3 (s) -1582.3 HCN(1) H2O(9) CO2 (9) 124.9 -228.6 -394.4 a. For the reaction 4Al(s) + 302 (9) → 2Al2O3(s) Standard free energy = kJ b. For the reaction 4HCN(1) + 502(9) → 2H2O(g) + 4CO2 (9) + 2N2(g) Standard free energy = kJ
Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter16: Thermodynamics
Section: Chapter Questions
Problem 59E: Determine the standard free energy change, Gf, for the formation of S2-(aq) given that the Gf for....
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![Çalculate the standard free energy of the following reactions at 25°C, using standard free energies of formation
Substance AG; (kJ/mol)
Al, O3 (s)
-1582.3
HCN(1)
H2O(9)
CO2 (9)
124.9
-228.6
-394.4
a. For the reaction
4Al(s) + 302 (9) → 2Al2O3(s)
Standard free energy =
kJ
b. For the reaction
4HCN(1) + 502(9) → 2H2O(g) + 4CO2 (9) + 2N2(g)
Standard free energy =
kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc861efe1-78ab-45bd-951a-662360c2f848%2F1d627fd8-26b0-455c-b9d7-5ef374fe2966%2Fe4l5dbo.jpeg&w=3840&q=75)
Transcribed Image Text:Çalculate the standard free energy of the following reactions at 25°C, using standard free energies of formation
Substance AG; (kJ/mol)
Al, O3 (s)
-1582.3
HCN(1)
H2O(9)
CO2 (9)
124.9
-228.6
-394.4
a. For the reaction
4Al(s) + 302 (9) → 2Al2O3(s)
Standard free energy =
kJ
b. For the reaction
4HCN(1) + 502(9) → 2H2O(g) + 4CO2 (9) + 2N2(g)
Standard free energy =
kJ
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