Constants | Periodic Table Calculate ΔG∘rxn and K for each of the following reactions. Part A...
Constants | Periodic Table Calculate ΔG∘rxn and K for each of the following reactions. Part A The reaction of Cr3+(aq) and Cr(s) to form Cr2+(aq). [The reduction potential of Cr2+(aq) to Cr(s) is -0.91 V.] Calculate ΔG∘rxn.
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Constants | Periodic Table Calculate ΔG∘rxn and K for each of
the following reactions. Part A...
Calculate ΔG∘ at 298 K for the following reactions. Exercise 18.94 27 of 37 > A...
Calculate ΔG∘ at 298 K for the
following reactions.
Exercise 18.94 27 of 37 > A Review | Constants Periodic Table Calculate AG at 298 K for the following reactions. Part A Ca(s) + CO2(g) +0(9)+CaCO3(s) Express your answer using three significant figures. % AX! * R o L ? AGⓇ = | Submit Request Answer Part B Complete previous part(s) Part CaCO3(8) + Ca(s) + CO (9) Express your answer using three significant figures. 1% AXPRO ? AGⓇ =...
Use tabulated half-cell potentials to calculate ΔG∘rxn for each of the following reactions at 25 ∘C....
Use tabulated half-cell potentials to calculate ΔG∘rxn for each of the following reactions at 25 ∘C. O2(g)+2H2O(l)+2Cu(s)→4OH−(aq)+2Cu2+(aq) Br2(l)+2I−(aq)→2Br−(aq)+I2(s)
For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C.? 2CH4(g)→C2H6(g)+H2(g) Part...
For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C.? 2CH4(g)→C2H6(g)+H2(g) Part B: Calculate ΔS∘rxn at 25 ∘C 2NH3(g)→N2H4(g)+H2(g) Part B: Calculate ΔS∘rxn at 25 ∘C.
Review I Constants I Periodic Table The equilibrium constant, K, for a redox reaction is related...
Review I Constants I Periodic Table The equilibrium constant, K, for a redox reaction is related to the standard potential, E°, by the equation Standard reduction potentials nFE RT In K E° (V) Reduction half-reaction Agt(aq)eAg(s) Cu2+(aq)2eCu(s) 0.80 where n is the number of moles of electrons transferred, F (the Faraday constant) is equal to 96,500 C/(mol e), R (the gas constant) is equal to 8.314 J/(mol - K) , and T is the Kelvin temperature. 0.34 Sn4t (aq)4eSn(s) 0.15...
10. You want to know the standard reduction potential for the Cr* (aq)|Cr(s) half- reaction Cr3...
10. You want to know the standard reduction potential for the Cr* (aq)|Cr(s) half- reaction Cr3 + (aq) + 3e-→ Cr(s) y, your textbook only lists the following data for chromium: Cr3+ (aq) + e-→ Cr2+ (aq) Cr2+ (aq) + 2e-→ Cr(s) E' =-0.424 V E' =-0.900 V What is the standard reduction potential for the Cr (a)Cr(s) half-reaction at 25 °C? A)-0.741 V B)-1.324 V C) 0.382V D)-0.141 V E) 0.476 V
Use the following half-reactions to write 3 spontaneous reactions, calculate E°cell for each reaction, what is...
Use the following half-reactions to write 3 spontaneous
reactions, calculate E°cell for each reaction, what is
the n number (number of electrons transferred).
Au+ (aq) + e− → Au
(s) E° = 1.69
V
N2O (g) + 2H+ (aq) + 2 e− →
N2 (g) + H2O (l) E° =
1.77 V
Cr3+ (aq) + 3 e− → Cr
(s) E° = -0.74 V
Question 7 0.36 pts Use the following half-reactions to write 3 spontaneous reactions, calculate Eºcell for...
Calculate the ΔG°rxn at 298 K using the following information. 2 HNO3(aq) + NO(g) → 3...
Calculate the ΔG°rxn at 298 K using the following information. 2 HNO3(aq) + NO(g) → 3 NO2(g) + H2O(l) ΔG°rxn = ? ΔH°f (kJ/mol) -207.0 91.3 33.2 -285.8 S°(J/mol∙K 146.0 210.8 240.1 70.0
A) Use tabulated electrode potentials to calculate ΔG∘ for the reaction. 2K(s)+2H2O(l)→H2(g)+2OH−(aq)+2K+(aq) B) (Refer to the...
A) Use tabulated electrode potentials to calculate ΔG∘ for the reaction. 2K(s)+2H2O(l)→H2(g)+2OH−(aq)+2K+(aq) B) (Refer to the following standard reduction half-cell potentials at 25∘C: VO2+(aq)+Ni2+(aq)2H+(aq)++2e−e−→ →Ni(s)VO2+(aq) +H2O(l)E∘=−0.23V E∘=0.99V) An electrochemical cell is based on these two half-reactions: Oxidation:Reduction:Ni(s)VO2+(aq,0.024M)+2H+(aq,1.4M)+e−→→Ni2+(aq,1.8M)+2e−VO2+(aq,1.8M)+H2O(l) Calculate the cell potential under these nonstandard concentrations. C) Standard reduction half-cell potentials at 25∘C Half-reaction E∘ (V ) Half-reaction E∘ (V ) Au3+(aq)+3e−→Au(s) 1.50 Fe2+(aq)+2e−→Fe(s) − 0.45 Ag+(aq)+e−→Ag(s) 0.80 Cr3+(aq)+e−→Cr2+(aq) − 0.50 Fe3+(aq)+3e−→Fe2+(aq) 0.77 Cr3+(aq)+3e−→Cr(s) − 0.73 Cu+(aq)+e−→Cu(s) 0.52 Zn2+(aq)+2e−→Zn(s) − 0.76...
Calculate Eº and K at 25°C for ,02-(aq) +Cr2+ (aq) → Cr3+(aq) + 5,032-(aq) half reactions...
Calculate Eº and K at 25°C for ,02-(aq) +Cr2+ (aq) → Cr3+(aq) + 5,032-(aq) half reactions are 8,062-(aq) + 2e → 28,0,2-(aq), E° = 0.17 V Cr3+ (aq) + e + Cr2+(aq), E° = -0.50 V
MI Review | Constants | Periodic Table Calculate the standard cell potential for each of the...
MI Review | Constants | Periodic Table Calculate the standard cell potential for each of the following electrochemical cells. Standard Electrode Potentials at 25 °C Part A Cd2+ (aq) + Mg(s)+Cd(s) + Mg2+ (aq) Express your answer using two decimal places and include the appropriate units. -2.37 Reduction Half-Reaction Cd2+ (aq) +2 e Mg2+(aq) +2 € 2 H+ (aq) +2 € Fe2+ (aq) +20 Cu2+ (aq) +2 € NO3- (aq) + 4 H+ (aq) + 3 e E°(V) + Cd(s)...
Calculate ΔG∘ at 298 K for the
following reactions.
Exercise 18.94 27 of 37 > A Review | Constants Periodic Table Calculate AG at 298 K for the following reactions. Part A Ca(s) + CO2(g) +0(9)+CaCO3(s) Express your answer using three significant figures. % AX! * R o L ? AGⓇ = | Submit Request Answer Part B Complete previous part(s) Part CaCO3(8) + Ca(s) + CO (9) Express your answer using three significant figures. 1% AXPRO ? AGⓇ =...
Review I Constants I Periodic Table The equilibrium constant, K, for a redox reaction is related to the standard potential, E°, by the equation Standard reduction potentials nFE RT In K E° (V) Reduction half-reaction Agt(aq)eAg(s) Cu2+(aq)2eCu(s) 0.80 where n is the number of moles of electrons transferred, F (the Faraday constant) is equal to 96,500 C/(mol e), R (the gas constant) is equal to 8.314 J/(mol - K) , and T is the Kelvin temperature. 0.34 Sn4t (aq)4eSn(s) 0.15...
10. You want to know the standard reduction potential for the Cr* (aq)|Cr(s) half- reaction Cr3 + (aq) + 3e-→ Cr(s) y, your textbook only lists the following data for chromium: Cr3+ (aq) + e-→ Cr2+ (aq) Cr2+ (aq) + 2e-→ Cr(s) E' =-0.424 V E' =-0.900 V What is the standard reduction potential for the Cr (a)Cr(s) half-reaction at 25 °C? A)-0.741 V B)-1.324 V C) 0.382V D)-0.141 V E) 0.476 V
Use the following half-reactions to write 3 spontaneous
reactions, calculate E°cell for each reaction, what is
the n number (number of electrons transferred).
Au+ (aq) + e− → Au
(s) E° = 1.69
V
N2O (g) + 2H+ (aq) + 2 e− →
N2 (g) + H2O (l) E° =
1.77 V
Cr3+ (aq) + 3 e− → Cr
(s) E° = -0.74 V
Question 7 0.36 pts Use the following half-reactions to write 3 spontaneous reactions, calculate Eºcell for...
Calculate Eº and K at 25°C for ,02-(aq) +Cr2+ (aq) → Cr3+(aq) + 5,032-(aq) half reactions are 8,062-(aq) + 2e → 28,0,2-(aq), E° = 0.17 V Cr3+ (aq) + e + Cr2+(aq), E° = -0.50 V
MI Review | Constants | Periodic Table Calculate the standard cell potential for each of the following electrochemical cells. Standard Electrode Potentials at 25 °C Part A Cd2+ (aq) + Mg(s)+Cd(s) + Mg2+ (aq) Express your answer using two decimal places and include the appropriate units. -2.37 Reduction Half-Reaction Cd2+ (aq) +2 e Mg2+(aq) +2 € 2 H+ (aq) +2 € Fe2+ (aq) +20 Cu2+ (aq) +2 € NO3- (aq) + 4 H+ (aq) + 3 e E°(V) + Cd(s)...
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