Please answer BOTH parts to this question. Thanks
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Please answer BOTH parts to this question. Thanks
(1) The equilibrium constant of the reaction 2...
4. [20pt] The equilibrium constant of the reaction 2 C3H6 = C2H4 + C4H8 has been...
4. [20pt] The equilibrium constant of the reaction 2 C3H6 = C2H4 + C4H8 has been measured over a range of temperatures. Between 300 K and 600 K, it fits to the expression (T in Kelvin), 1088 1.51 · 105 In K = -1.04 - T + 12 Use this information and the Gibbs-Helmholtz equation and calculate the standard reaction enthalpy and standard reaction entropy at 400 K. /T) / (Here, the Gibbs-Helmholtz equation can be derived by taking (/...
Calculate the cell potential for the following cell at 25 ° C Cd (s) | Cd...
Calculate the cell potential for the following cell at 25 ° C Cd (s) | Cd (NO3) 2 (aq, 0.010 M) || KBr (aq, 0.050 M), Ag + (aq) | AgBr (s) | Ag (s) using normal potentials E⦵ (Cd 2+ / Cd) = -0.40 V and E⦵ (Ag + / Ag) = 0.80 V, and the solubility of AgBr, which is 7.7 · 10-13.
Consider the following electrochemical cell at 298.15 K: Cd(s) | Cd(NO3)2 (aq, m = 0.200) ||...
Consider the following electrochemical cell at 298.15 K: Cd(s) | Cd(NO3)2 (aq, m = 0.200) || KCl (aq, m = 0.0150) | Ag(s) | AgCl(s) A) Write the overall reaction. B) Calculate the standard cell potential and ∆GR°. C) Calculate the cell potential and ∆GR assuming activity coefficients are 1.00. D) Calculate the cell potential and ∆GR using the Debye-Huckel limiting law for the mean ionic activity coefficients. E) Is the cell reaction spontaneous as written? F) How much electrochemical...
7) At 1500°C the equilibrium constant for the reaction CO(g) + 2H2(g) → 키.4x10-7. Calculate AG)for...
7) At 1500°C the equilibrium constant for the reaction CO(g) + 2H2(g) → 키.4x10-7. Calculate AG)for this reaction at 1500°C A) 105 kJ/mol B)-105 kJmol C)1.07 kJ/molD) CH,011(g) has the value K, D)255 8) Determine the equilibriurn constant K, at 25°C for the reaction Nag) + 3H2(g) → 2NHO 3 kJ/mol A) 1.52 x 106 B) 6.60 x 10 9) Predict the sign of AS for the reaction 02(g) → 20(g). C) 828 x 10D) 2.60 A) Negative B) zero...
PLEASE ANSWER ALL 4. The cell potential for the unbalanced chemical reaction: Hg2 2+(aq) + NO3...
PLEASE ANSWER ALL 4. The cell potential for the unbalanced chemical reaction: Hg2 2+(aq) + NO3 - (aq) + H+ (aq) → Hg2+(aq) + HNO2(aq) is measured under standard conditions and found to be + 0.02 V at 25C. a) What substance (not just the element) is oxidized in the cell? b) What substance (not just the element) is reduced in the cell? c) Write the half-reaction that occurs in the anode compartment. d) Write the half-reaction that occurs in...
1. Consider the reaction below: 3Ag2S(s) + 8H+(aq) + 2NO3-(aq) ? 6Ag+(aq) + 3S(s) + 2NO(g)...
1. Consider the reaction below: 3Ag2S(s) + 8H+(aq) + 2NO3-(aq) ? 6Ag+(aq) + 3S(s) + 2NO(g) + 4H2O(l) In this reaction, which species is reduced? 2. Calculate Ecell for the following electrochemical cell which is operating under nonstandard conditions: Cr | Cr3+(0.010 M) || Ag+(0.00010 M) | Ag The relevant standard reduction potentials are: Cr3+(aq) + 3e- ? Cr(s) Eº = ?0.74 V Ag+(aq) + e- ? Ag(s) Eº = +0.80 V
2. The equilibrium constant for the dissociation of Ag,CO, (s) + 2 Ag+ + CO, is...
2. The equilibrium constant for the dissociation of Ag,CO, (s) + 2 Ag+ + CO, is Kp -8.1 10-12 at 25°C. a) Calculate AG for the reaction when [Ag'] = 1.0 x 10 2M and CO, +1 = 1.0 x 10- M. (4pts) Ans: b) (Ipt) Is the reaction spontaneous or nonspontaneous at these concentrations? Ans: 3. (4pts) Nitrosyl chloride (NOCI) decomposes at elevated temperatures according to the equation below; 2NOCI(g) 2NO(g) + Cl2(g) Calculate K, for this reaction at...
please help, thanks! 7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq)...
please help, thanks!
7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq) a. Cd Cd| Ni | Ni d. Ni Cd I N | Ca b. Cd CdNi | Ni e. Cd |Cd Ni Ni 8. Calculate AS for the dissociation of dinitrogen tetraoxi de at 25°C NOdg) 2NO:(g) AG, J/mol)AH, J/mol) Substance NO) NOdg) +33.2 +51.3 +97.9 +9.2 d. +0.076 kJ K a.-2.10 kJ/K e +2.10kJ/K b. -0.550 kJ/K c.-0.208 kJ/K 9. Use the standard...
Please answer all three as they are three parts to the same question (1) Calculate the...
Please answer all three as they are three parts to the same question (1) Calculate the standard potential of the cell Pt (s) | cysteine (aq) , cystine (aq) || H+ (aq) | O2 (g) | Pt (s) (2) Calculate the standard Gibbs energy and Enthalpy of the cell reaction at 25oC. (3) Estimate the value of the Gibbs energy of the cell reaction at 35oC.
given this electrochemical cell: Concentration of H+ is unknown, Pressure of H2 is constant at 1...
given this electrochemical cell:
Concentration of H+ is unknown, Pressure of H2 is constant at 1
atm. Initial cell voltage is 0.139V, with the Pt | H2 | H+
half-cell acting as the cathode.
a) write out the oxidization and reduction half reactions, and
the overall chemical reaction occurring, and find the initial pH in
the H+ | H2 | Pt cell
b) What is the equilibrium constant of the reaction happening in
the cell?
Tl(s) | Tl*(aq, 0.50 mol...
4. [20pt] The equilibrium constant of the reaction 2 C3H6 = C2H4 + C4H8 has been measured over a range of temperatures. Between 300 K and 600 K, it fits to the expression (T in Kelvin), 1088 1.51 · 105 In K = -1.04 - T + 12 Use this information and the Gibbs-Helmholtz equation and calculate the standard reaction enthalpy and standard reaction entropy at 400 K. /T) / (Here, the Gibbs-Helmholtz equation can be derived by taking (/...
7) At 1500°C the equilibrium constant for the reaction CO(g) + 2H2(g) → 키.4x10-7. Calculate AG)for this reaction at 1500°C A) 105 kJ/mol B)-105 kJmol C)1.07 kJ/molD) CH,011(g) has the value K, D)255 8) Determine the equilibriurn constant K, at 25°C for the reaction Nag) + 3H2(g) → 2NHO 3 kJ/mol A) 1.52 x 106 B) 6.60 x 10 9) Predict the sign of AS for the reaction 02(g) → 20(g). C) 828 x 10D) 2.60 A) Negative B) zero...
2. The equilibrium constant for the dissociation of Ag,CO, (s) + 2 Ag+ + CO, is Kp -8.1 10-12 at 25°C. a) Calculate AG for the reaction when [Ag'] = 1.0 x 10 2M and CO, +1 = 1.0 x 10- M. (4pts) Ans: b) (Ipt) Is the reaction spontaneous or nonspontaneous at these concentrations? Ans: 3. (4pts) Nitrosyl chloride (NOCI) decomposes at elevated temperatures according to the equation below; 2NOCI(g) 2NO(g) + Cl2(g) Calculate K, for this reaction at...
please help, thanks!
7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq) a. Cd Cd| Ni | Ni d. Ni Cd I N | Ca b. Cd CdNi | Ni e. Cd |Cd Ni Ni 8. Calculate AS for the dissociation of dinitrogen tetraoxi de at 25°C NOdg) 2NO:(g) AG, J/mol)AH, J/mol) Substance NO) NOdg) +33.2 +51.3 +97.9 +9.2 d. +0.076 kJ K a.-2.10 kJ/K e +2.10kJ/K b. -0.550 kJ/K c.-0.208 kJ/K 9. Use the standard...
given this electrochemical cell:
Concentration of H+ is unknown, Pressure of H2 is constant at 1
atm. Initial cell voltage is 0.139V, with the Pt | H2 | H+
half-cell acting as the cathode.
a) write out the oxidization and reduction half reactions, and
the overall chemical reaction occurring, and find the initial pH in
the H+ | H2 | Pt cell
b) What is the equilibrium constant of the reaction happening in
the cell?
Tl(s) | Tl*(aq, 0.50 mol...
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