When a Voltaic Cell Reaches Equilibrium, ________
A) $E _ { \text {cell } } ^ { 0 }$

When a voltaic cell reaches equilibrium, ________

A) $E _ { \text {cell } } ^ { 0 }$ = 0.
B) E_cell = 0.
C) E_cell = K.
D) $E _ { \text {cell } } ^ { 0 }$ = K.
E) E_cell = Q.