【单选题】已知 25°C 时反应 AgBr(s)→Ag+(aq)+Br-(aq) 的 △ G θ =70.25KJ·mol -1 ,则此反应的平衡常数为 ( )
【单选题】已知25°C时 AgBr (s) → Ag + (aq) +Br - (aq) 反应的 △G θ = 70.25 kJ / mol,则此反 应的平衡常数为( )。
【单选题】关于透析患者使用磷结合剂的下列叙述错误的是
【单选题】已知饰纱20tex,圈圈纱超喂比为2.5,芯纱和固纱为涤纶100D,计算圈圈纱线密度,并换算成公支。
【单选题】—Oh, sorry, what did you say just now? —I asked _______. [ ]
B.
where did he come from
【简答题】Where did he go yesterday? To the ______ .