【单选题】已知 E θ (Na + /Na) = -2.71V, E θ (Ag + /Ag) = 0.80 V, E θ (H + /H 2 ) = 0.000 V, 标准状态下 , 上述电对中最强的氧化剂和还原剂分别是
【单选题】听力原文:M: When will the bank open? W: It opens from 8:30 a.m. to 6:30 p.m. from Monday to Friday, and opens from 9:30 a.m. to 3:30 p.m. on Saturday and Sunday. When will the bank open on Sundays?
A.
From 8:30 a.m. to 8:30 p. m.
B.
From 9:30 a.m. to 6:30 p.m.
C.
From 8:30 a.m. to 6:30 p. m.
D.
From 9:30 a.m. to 3: 30 p. m.
【单选题】298K和P θ 压力下,有化学反应:Ag 2 SO 4 (s)+H 2 (P θ )=2Ag (s)+H 2 SO 4 (aq)已知: E θ { Ag 2 SO 4 |Ag}=0.627V, E θ { Ag + |Ag}=0.799V,如上电池的标准电池电动势E θ 为( )
【单选题】已知 E θ (Fe 3 + /Fe)=-0.037V,E θ (Ag + /Ag)=0.80V, E θ (Cl 2 /Cl - )=1.358V,标准状态下,上述电对中最强的氧化剂和还原剂分别是
【单选题】Where are you from? [ ]
【简答题】何谓氧化磷酸化作用?NADH呼吸链中有几个氧化磷酸化偶联部位?
【单选题】已知Eθ(Ag+/Ag)=+0.799 V,Kspθ(AgCl)=1.56×10-10。若在半电池Ag|Ag+(1 mol.L-1)中加入KCl,使其变成Ag,AgCl|KCl(1 mol.L-1),则其电极电势将 ( )