30. What is the potential at 25°C for the cell: Cr|Cr3+(0.030 M)||Ag+(0.00030 M)|Ag? Cr3+ + 3e- <=> Cr Eo = -0.73 V; Ag+ + e- <=> Ag Eo = 0.80 V (A) 0.95 V (B) 1.35 V (C) 1.49 V (D) 1.71 V

36. For the reaction A + B $\rightleftharpoons$ C + D, $\Delta H^\circ = +40$ kJ and $\Delta S^\circ = +50$ J/K. Therefore, the reaction under standard conditions is (A) spontaneous at temperatures less than 10 K (B) spontaneous at temperatures greater than 800 K (C) spontaneous only at temperatures between 10 K and 800 K (D) spontaneous at all temperatures

30. What is the potential at 25°C for the cell: Cr|Cr³⁺(0.030 M)||Ag⁺(0.00030 M)|Ag? Cr³⁺ + 3e^- <=> Cr E^o = -0.73 V; Ag⁺ + e^- <=> Ag E^o = 0.80 V
(A) 0.95 V
(B) 1.35 V
(C) 1.49 V
(D) 1.71 V

相關試題

相關試卷

30. What is the potential at 25°C for the cell: Cr|Cr3+(0.030 M)||Ag+(0.00030 M)|Ag? Cr3+ + 3e- <=> Cr Eo = -0.73 V; Ag+ + e- <=> Ag Eo = 0.80 V(A) 0.95 V(B) 1.35 V(C) 1.49 V(D) 1.71 V

相關試題

相關試卷

30. What is the potential at 25°C for the cell: Cr|Cr³⁺(0.030 M)||Ag⁺(0.00030 M)|Ag? Cr³⁺ + 3e^- <=> Cr E^o = -0.73 V; Ag⁺ + e^- <=> Ag E^o = 0.80 V
(A) 0.95 V
(B) 1.35 V
(C) 1.49 V
(D) 1.71 V