What's the answer for these 2??

16. In balancing redox reactions, the coefficients assigned to the oxidizing * agents and reducing agents make the equation consistent with which of the following statements? Energy change of products equals energy change of reactants. Moles of reactants equals moles of products. Electron gain equals electron loss. Number of reactant molecules equals number of product molecules. 10. A technician set up an experiment to test the reactivity of some uncommon metals and their ions. The technician recorded the following data. Reactivity of Some Uncommon Metals = evidence of a spontaneous reaction x= no spontaneous reaction When listed in order from weakest to strongest, the reducing agents above are A. Ir(s),Pd(s),In(s),Zr(s) B. Zr(s),In(s),Pd(s),Ir(s) C. Ir3+(aq),Pd2+(aq),In3+(aq),Zr4+(aq) D. Zr4+(aq),In3+(aq),Pd2+(aq),Ir3+(aq) A B C D