【单选题】原电池 Pt|H 2 ( p y )|H 2 SO 4 (a=0.01)|O 2 ( p y )|Pt 在 298K 时 E = 1.228V ,已知 H 2 O(l) 的生成热 D f H m y = - 286.06 kJ·mol - 1 , z = 2 ,那么该电池的温度系数是:
A.
- 8.53 × 10 - 4 V·K - 1
B.
- 4.97 × 10 - 3 V·K - 1
【单选题】Which of the following is TRUE?
A.
Global warming was discovered in the twentieth century.
B.
French scientist Jean-Baptiste Fourier compared Earth's atmosphere to the glass of a greenhouse in the beginning of the 18 th century
【简答题】Which of the following TRUE?A. Global warming was discovered in the twentieth century. B. French scientist Jean-Baptiste Fourier compared Earth's atmosphere to the glass of a greenhouse in the beginni...
【单选题】吸取新鲜兔血浆0.5ml ,再加入BHI培养物( )振荡摇匀,放在36°C±1°C恒温箱或水浴内,观察结果。
【判断题】作为老板,一定要有本事让我们的员工都快乐
【单选题】吸取新鲜兔血浆0.5mL ,再加入BHI培养物()振荡摇匀,放在36°C±1°C恒温箱或水浴内,观察结果。