7. Predict the sign of Asº for each of the following reactions:
dm (a) CaCO3(s) → CaO(s) + CO2(g)
9)
(b) CS2(1) CS2(g)
)
dms) (c) 2Hg() + O2(g) → 2HgO(s)
(d) 2Na2O2(aq) + 2H201) 4NaOH(aq) + O(g)
60gd (e) CO(g) + H2O(g)
→ CO2(g) + H2(g)​

They are all decomposition reactions.

Ais stronge

Answeramino acids;

Answerthe half-reaction having the greatest tendency to occur at the anode:     i₂(aq) + 2e⁻  ⇄ 2i⁻  ;   e = +0.53 v======oxidation occurs at the anode. we must therefore find the half-reaction with the greatest tendency to oxidize.the given values of e are reduction potentials (the form of the half-reactions are of reduction).the lower the reduction potential, the higher the potential to oxidize. the half-cell with the lowest reduction potential will have the greatest tendency to oxidize at the anode.the half-reaction having the greatest tendency must be    i₂(aq) + 2e⁻  ⇄ 2i⁻    e = +0.53 vbecause its reduction potential is the lowest out of the three.