Determine ∘ , Δ∘ , and K for the overall reaction from the balanced half-reactions and their standard reduction potentials. 2Co3+H3AsO3+H2O ↽−−⇀ 2Co2++H3AsO4+2H+Co3+e−↽−−⇀ Co2+ ∘=1.92H3AsO4+2H+2e−↽−−⇀ H3AsO3+H2O∘=0.575∘= ?K= ?Δ∘= ?Is the overall reaction spontaneous as written? not spontaneous spontaneousDetermine ∘E∘, Δ∘ΔG∘, and KK for the overall reaction from the balanced half-reactions and their standard reduction potentials.4Fe3++2H2O↽−−⇀ 4Fe2++O2+4H+Fe3++e−↽−−⇀ Fe2+ ∘=0.771 V1/2O2+2H++2e− ↽−⇀ H2O∘=1.229V∘=K=Δ∘=Is the overall reaction spontaneous as written?

A. spontaneous

B. not spontaneous