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The reduction potential of Ag^+|(aq) to Ag(s) is +0.80 V, and the reduction potential of Cu^2+ (aq) to Cu (s) is + 0.34 V. A galvanic cell is based on the following reaction:2 Ag^+ (aq) + Cu (s) -----> 2 Ag (s) + Cu^2+ (aq)
The silver compartment contains a silver electrode and excess AgCl(s) (Ksp = 1.6 x 10^-10) which gives a silver ion concentration of 1.27 x 10^-5 M. The copper compartment contains a copper electrode and [Cu^2+] = 2.0 M.
a) Claculate the potential for this cell, Ecell, at 25 degree Celsius.
b) Can a reaction be spontaneous at 298 K when its delta Grxn (298 K) is positive?
Explain.
c) A reaction taking place under standard conditions is sponteneous at 1000 K but is nonsponteneous at 300 k. What are the signs of delta Hrxn and delta S rxn?
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
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