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8) Determine E', AGº and K at 25°C for the reaction: 2Al + 3Mn2 - 2Al3+...
The following redox reaction is conducted with TAP = 0.01 M and Mn 2Al(s) + 3Mnaq) + 2Al(aq) + 3Mn(s) E=0.48 V 3.0 M. What is the cell potential E? Chem g mol-1
AG°= AH-TAS AG=AGº+RTinQ where R=8.314 J/mol K 1. Calculate AGº for the following reaction at 25 °C if AH°= -1854 kJ/mol; AS°= -236 J/mol K CH-COCH3(g) + 402(g) → 3C02(g) + 3H2O(1) 2. NH.NO, dissolving in water is a spontaneous process. As it dissolves, the temperature of the solution decreases. Based on this, what must the signs (positive or negative) of AG, AH, and AS be?
10. The value of AGº for the Haber reaction, 3H2(g) + N2(g) → 2NH3(g), at 25°C is -32.3 kJ mor! Answer the following: a) Determine the value of Keq for the reaction at 25°C (4 points) b) The value of AH° is-92.2 kJ mor' and the value of AS is -201 J mor' K'Assuming the values of AH° and Asº do not change with temperature, determine agº for the reaction at 475°C. (4 points) c) Determine the value of Key...
NOLUL PULS. AGº for the reaction H2(g) +12(8) = 2HI(g) is 2.60 kJ/mol at 25°C. Calculate AG, and predict the direction in which the reaction is spontanec The initial pressures are: PH, = 3.70 atm P1, = 1.5 atm Ph1 = 1.75 atm AG= The reaction is spontaneous in the forward direction. The reaction is spontaneous in the reverse direction. Cannot be determined.
A voltaic cell uses the following reaction: 2Al(s) + 3I2(s) → 2Al3+(aq) + 6I-(aq) a) Calculate the cell potential (ε°cell) under standard conditions. b) Calculate the cell potential (E) when [Al3+] = 0.015M and [I-] = 0.025M.
Calculate Delta G degree for the following reaction at 25 degree C: 3Zn^2+ (aq) + 2Al(s) 3Zn(s) + 2Al^3+ (aq)
QUESTION 47 Determine the equilibrium constant for the following reaction at 581 K. HCN(g) + 2 H2(g) → CH3NH2(g) ΔH° = -158 kJ; ΔS°= -219.9 J/K 3.99 × 1012 3.26 × 10-12 13.0 2.97 × 1011 0.002 4.92 × 1025 3.4 × 10-12 None of these 523.2 QUESTION 48 The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2 (s) → 2Al3+ (aq) + 6I- (aq) The emf generated by the cell when [Al3+] = 1.3 ×...
For the reaction below, AH = -196 kJ and AS = -126 J/K at 25° C. 2H2O(1) + O2(g) → 2H2O2(1) Calculate AGº for the reaction in kilojoules. 0 -37.7 kJ -234 kJ -158 kJ -193 kJ -348 kJ
A particular reaction has AHⓇ = 55 kJ and AS° = 101 J/K, at 25°C. A) Calculate the temperature (in K) at which AG° = 0. B) What is the significance of (what does it mean when or what does it indicate when) AGº = O?
Determine AGº for the overall reaction as written below. Use the summation (E) equation and do not omit the liquid. Is the reaction spontaneous? How can you tell? (9 pts) 2CH2OH(lig) + 302(g) = 2CO2(g) + 4H2O(g) AGE =-166.2 kJ for CH2OH(lig) AGE" =- 394.4 kJ for CO2(g) AGE" =-228.6 kJ for H2O(g)