1 Given the two half reactions and their potentials, which net reaction is spontaneous?
a) Ni(s) + Mg(aq) – Mg(s) + N2(aq)
b) N aq) + Mg(s) – Mg (aq) + Niſs)
c) Ni(s) + Mg(s) - Mg (aq) + Ni?(aq)
d) Mgm (aq) + N12(aq) - Mg(s) + Ni(s)
e) Mg (aq) + Mg(s) - Ni(s) + N2(aq)