`Ni(s) + Cu^(2+)(aq) rightarrow Ni^(2+)(aq) + Cu(s)`
The voltaic cell based on this reaction has a voltage of 0.59 V under standard conditions. Which of these changes will produce a higher voltage?
(P) Increasing `[Cu^(2+)]`
(Q) Increasing the size of the `Ni(s)` electrode.
A. P only
B. Q only
C. Both P and Q
D. Neither P nor Q
