In the reaction Fe(s)+O2(g)Fe2O3(s) which element loses electrons in the process? oxygen iron and oxygen iron (III) oxide iron no element loses electrons Ni0(s)+2Ag+(aq)Ni2+(aq)+2Ag0(s) As the reaction in this cell takes place, the concentration of Ni2+ ions decreases and the concentration of Ag+ions decreases. increases and the concentration of Ag+ions increases. decreases and the concentration of Ag+ions increase. increases and the concentration of Ag+ions decreases. Which of the following represents a reduction half-reaction? Cd(s)Cd2+(aq)NO2(g)NH3(aq)H2(g)H2O(el)H2AsO4(aq)As2S3(s)Cl(aq)ClO3(aq) In the reaction: KNO3(aq)+PbSO4(aq)Pb(NO3)2(aq)+K2SO4(aq), what is the oxidizing agent? there is no oxidizing agent K2SO4(aq)KNO3(aq)PbSO4(aq)Pb(NO3)2(aq) Question 11 (1 point) The following reaction is occurring in a galvanic cell. Identify the anode and the cathode. Ag(s)+NO3(aq)Ag+(aq)+NO(g) anode: Pt(s) cathode: Pt(s) anode: NO3(aq) cathode: NO(g) anode: Ag+(aq) cathode: Ag(s) anode: Ag(s) cathode: Pt(s) anode: Ag(s) cathode: NO(g)