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The Voltaic cell made up of cobalt, copper, and their M2+ ions, has Ecello = 0.62 V. If Eo of the cathode half-cell is 0.34 V, what is Eo of the anode half-cell? Cu2+ (aq) + Co (s) Cu (s) + Co2+ (aq)

Which of the following is always true for an endothermic process? 

Examine the following half-reactions and select the weakest oxidizing agent among the species listed.  AuBr4- (aq) + 3e- Au (s) + 4 Br- (aq), Eo = 0.854 V Mn2+ (aq) + 2e- Mn (s), Eo = 1.185 V K+ (aq) + e- K (s), Eo =2.931 V F2O (aq) + 2H+ (aq) + 4e- 2 F- (aq) + H2O (l), Eo = 2.153 V 

Which relationship or statement best describes So for the following reaction? Pb (s) + Cl2 (g) PbCl2 (s)

Consider the figure that shows Go for a chemical process plotted against absolute temperature. From this plot, it is reasonable to conclude that  

A container was charged with hydrogen, nitrogen, and ammonia gases at 120oC and the system was allowed to reach equilibrium. What will happen if the volume of the container is increased at constant temperature? 3 H2 (g) + N2 (g) 2 NH3 (g)

Which of the following pairs is arranged with the particle of higher polarizability listed first? 

Which of the following should have the highest boiling point? 

What is the mass-action expression (reaction quotient), Qc, for the following chemical reaction?  4 H3O+ (aq) + 2 Cl- (aq) + MnO2 (s) Mn2+ (aq) + 6 H2O (l) + Cl2 (g)

Which one of the following will give a solution with a pH>7, but is not an Arrhenius base in the strict sense?