Calculate ΔrG for the reaction at 27^oC. H2 (g)+2Ag +(aq)⇌2Ag(s)+2H +(aq) Given: PH2 ​=0.5 bar; [Ag + ]=10 −5 M; [H+ ] = 10^−3 M;Δ r G^o[Ag + (aq)]=77.1kJ/mol