6. 如果數字與結果都以 8 位元 2 的補數表示法表示，下列哪一個運算會產生溢位？(12 分)(a)11000010+00111111 (b)00000010+00111111(c)11000010+11111111 (d)00000010+11111111

7. For the following cell: Cu(s)|Cu2+(0.0250M)||Fe3+(0.150M), Fe2+(0.0380M)|Pt(s). E0(Cu2+→Cu) = 0.34 V, E0(Fe3+→Fe2+) = 0.77 V (10 points)(A) Write the oxidation and reduction half-reactions.(B) Calculate the cell potential, Ecell at 25oC, and tell if the cell reaction is spontaneous.