What is the Gibb's Standard Free Energy of Formation ΔGf0? How may ΔGreaction0 be used to...

What is the Gibb's Standard Free Energy of Formation ΔG_f⁰? How may ΔG_reaction⁰ be used to calculate the equilibrium constant for a chemical reaction under standard conditions?

Expert Solution

queen_honey_blossom answered 2 years ago

Write a chemical equation for the formation reaction and then calculate the standard free energy of...

Write a chemical equation for the formation reaction and then calculate the standard free energy of formation of each of the following compounds from the enthalpies of formation and the standard molar entropies, using ∆G◦ r = ∆H◦ r - T∆S◦ r: (a) NH3(g) (b) H2O(g) (c) CO(g) (d) NO2(g)

Identify the compound with the lowest standard free energy of formation. O3(g) N2(g) It is hard...

Identify the compound with the lowest standard free energy of formation. O3(g) N2(g) It is hard to determine. NaCl(s) NO(g)

What is the standard free energy of the reaction, in kJ, at 298K for: 1 A...

What is the standard free energy of the reaction, in kJ, at 298K for: 1 A (aq) + 1 B (aq) <--> 2 C (aq) + 2 D (aq) if ΔH° (A)= -3.4134 kJ/mol , ΔH° (B) = 93.8823 kJ/mol, ΔH° (C) = -26.8495 kJ/mol, and ΔH° (D) = -39.4984 kJ/mol ΔS° (A)= 33.3845 J/(mol K) , ΔS° (B) = 92.5722 J/(mol K) , ΔS° (C) = -59.1781 J/(mol K) , and ΔS° (D) = -12.7602 J/(mol K)

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What is the standard free energy change for the reaction below? Is the reaction expected to...

What is the standard free energy change for the reaction below? Is the reaction expected to be spontaneous under standard conditions? FeS(s) + O2(g) → Fe(s) + SO2(g)

Summarize why the difference between free energy change and standard free energy change depends on the...

Summarize why the difference between free energy change and standard free energy change depends on the concentrations of the reactants and products in biochemistry.

Explain the concept of free energy, discussing how it can be used to determine whether a...

Explain the concept of free energy, discussing how it can be used to determine whether a reaction is spontaneous or non-spontaneous Under which conditions would a reaction be spontaneous regardless of temperature? Under which conditions would a reaction be non-spontaneous regardless of temperature?

I have a question about gibbs free energy vs gibbs standard free energy. We know that...

I have a question about gibbs free energy vs gibbs standard free energy. We know that at equilibrium deltaG = 0 and Q = K, and deltaG standard is a non-zero value. But I don't understand. If I want to see if a reaction is at equilibrium then I have to calculate the deltaG standard first, before I can calculate deltaG to see if its value is 0 or not. And everytime I do that, the deltaG standard equals 0...

1-1Based on the Gibbs free energy of formation of substances listed in the table below, calculate...

1-1Based on the Gibbs free energy of formation of substances listed in the table below, calculate EMF for the following cells: (i) Zn | Zn2+ (1.0 M) || H+ (1.0 M) | O2 (1 atm) | Pt (ii) Zn | Zn2+ (1.0 M) || Cu2+ (1.0 M) | Cu (iii) Pt | H2(g) (1 atm) | H+ (1.0 M) || H+ (1.0 M) | O2 (1 atm) | Pt _______________________________________________ Substances DGfo/ kJ mol-1 (298 K) _______________________________________________ Zn2+(aq) -147.0 ZnO(s) ...

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? A. 2C(s)+H2(g)→C2H2(g); ΔG∘f=209.2 kJ/mol B. C(s)+O2(g)→CO2(g); ΔG∘f=−394.4 kJ/mol C. 2C(s)+2H2(g)→C2H4(g); ΔG∘f=68.20 kJ/mol D. 2CO(g)+O2(g)→2CO2(g); ΔG∘f=−788.0 kJ/mol

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