【简答题】—
Was Tom there when you arrived? — Yes. But he ________ home soon
afterwards.A. had gone B. has gone C. is going D. went
【单选题】液态水在100°C ,101.3 kPa下蒸发,下述正确的是
【单选题】已知电对(Cl2/Cl-)的标准电极电势为+1.36V,在下列电极反应中标准电极电势为+1.36V 的电极反应是
【单选题】--Was Tom there when you arrived? --Yes, but he___________ home soon afterwards.
【单选题】— Was Tom there when you arrived? — Yes. But he ________ home soon afterwards.
【单选题】100°C,101.3 kPa下,1 mol水与100°C热源接触,使它向真空容器中蒸发成 100°C, 101.3 kPa的水蒸气,可用来判断过程可逆性的是 。
【判断题】头顶球的方法是用头的顶部去顶球,顶球时要睁开眼睛。
【单选题】100°C、101.3 kPa下, 1 mol水与 100°C热源接触,使它向真空容器中蒸发 成 100°C、101.3 kPa的水蒸气,此过程不正确的是 。