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30. Which of the following expressions for K is correct for the reaction given below? A13+(aq)...
Consider the following reaction at 298 K: 3Cu2+(aq) + 2Al(s) + 3Cu(s) + 2 A13+ (aq) and the standard reduction potential values: Cu2+(aq) + 2e + Cu(3) E° = +0.342 v Al3+ (aq) + 3e + Al(s) E° = -1.662 v No files uploaded (Submit 6.1 and 6.2 as a single file) Q6.1 8 Points Calculate the standard Gibbs energy of reaction (A,G), in kJ/mol. Q6.2 8 Points Calculate the emf (E) when [Cu2+] = 1.0 x 10-2 M and...
Given: 3Mg(s) +2 A13+(aq) – 2 Al(s) + 3Mg2+(aq) Which of the foloowing statements is/are correct? a. Mg metal is oxidized and Aluminum ion is reduced b. Mg metal is reduced and Aluminum ion is oxidized C. Aluminum metal is oxidized and Magnesium metal is reduced d. Aluminum metal is reduced and Magnesium ion is oxidized e. None of the these is correct Use the standard half-cell potentials listed below to calculate the standard cell potential and standard free energy...
Which of the following is a correct balanced equation for the neutralization reaction that occurs between Al(OH), and HCl (aq)? Al(OH)3 + 3 HCI (aq) - AlCl3 + H+ + OH Al(OH)3 + 3 HCI (aq) -- AICI, + 3 H20 Al(OH)3 + HCl (aq) -- AlCl3 + H2O A13*+ OH+H* + C AICIH2O
Which of the following is the strongest reducing agent? A) Fe2+(aq) B) Fe3+(aq) C) Cd(s) D) F-(aq) E) Na(s) . Which of the following is the weakest oxidizing agent? A) Cu+(s) B) Fe2+(aq) C) Sn4+(aq) D) K+(s) E) Cr3+ (aq) Which of the following is the weakest reducing agent? A) Al(s) B) K(s) C) Ba2+(aq) D) A13+ (aq) E) F-(aq) Determine which of the following pairs of reactants will result in a spontaneous reaction at 25°C. A) Pb2+ (aq) +...
D Question 14 3 pts The following redox reaction is conducted with [A13+] = 0.80 M and [Mn2+] = 0.30 M. 2 Al(s) + 3 Mn2+(aq) + 2 A13+(aq) + 3 Mn(s) Ecell = 0.48 V Determine the moles of electrons transferred for the reaction as written (n), Q, and the cell potential (cell) at 298 K. n= (Select] Q = (Select] Ecell = (Select)
8) Calculate the cell potential for the following reaction that takes place in an electro chemical cell at 25°C. Al(s) A13+(aq, 0.115 M)I I Al3+(aq, 3.89 M) | Al(s) A13+(aq)+3 e Al(s) Eo =-1.66 V A) 0030 V B) 0.090 V 91.66 V D) 0.00 V E) 0.060 V
Two standard reduction potentials are given below. Cd2+(aq) + 2 e− → Cd(s) E⁰red = −0.403 V Al3+(aq) + 3 e− → Al(s) E⁰red = −1.662 V There is only ONE submission for each part. (a) Which is a stronger reducing agent, Cd(s) or Al(s)? Cd(s) Al(s) (b) Which is the most difficult to oxidize, Cd(s) or Al(s)? Cd(s) Al(s) (c) Is Cd(s) able to reduce Al3+(aq) in a spontaneous reaction? is able is not able (d) Is Al(s) able...
8) Calculate the cell potential for the following reaction that takes place in an electrochemical cell at 25°C. 8) 10 Al(s) Al3+(aq, 0.1 15 M) I Al3 (aq, 3.89 M) I Al(s) A13+(aq)+3 e Al(s) E =-1.66 V A) 0,030 V B) 0.090 V 9,1.66 V D) 0.00 V E) 0.060 V
Which of the following expressions is the correct equilibrium-constant expression for the reaction below? 200(g) = CO2(g) + C(s) A. [CO][C]/[CO] B. K [CO] C. [CO] / [CO2) D. [CO]/[CO] E. 2[CO] /[CO][C] In which of the following reactions would increasing pressure at constant temperature not change the concentrations of reactants and products, based on Le Châtelier's principle? ООООО A. 2N, () + 0,02N,0 () B. N.O. (g) 2NO, (g) C. N2(g) + 3H2(g)2NH3 (9) D. N2 (9) + 202...
Why is it answer a) ?
with aluminum 43. Which one of the following represents the net ionic equation for the reaction of nitric acid w hydroxide? 43H' + Al(OH)s <-> Als+ + 3H20 (b) 3HNO3 + Al(OH)s AI(NO3) 3H20 (c) HNO3+ OH- NOs+ H20 (d) H+ + OH-H20 (e) 3NO3- +A13+ AI(NO3)3 UNO OU