2.What group of elements does the shaded area in the following periodic table indicate? (A)gases (B) metals (C) nonmetals (D) semimetals

18. Using the following standard reduction potentials calculate the standard cell potential for the galvanic cell reaction given below, and determine whether or not this reaction is spontaneous under standard conditions. Pb2+(aq) + 2 Fe2+(aq) → 2 Fe3+(aq)+ Pb(s) (A)E°= -0.90 V, nonspontaneous (B)E°= -0.90 V, spontaneous (C)E° = +0.90 V, nonspontaneous (D)E° = +0.90 V, spontaneous

2.What group of elements does the shaded area in the following periodic table indicate? (A)gases (B) metals (C) nonmetals (D) semimetals

其他試題

2.What group of elements does the shaded area in the following periodic table indicate?

(A)gases
(B) metals
(C) nonmetals
(D) semimetals