【单选题】反应2Ag2O(s)=4Ag(s)+O2(g)
【简答题】什么是接地?常用的接地方法有哪些?各有什么优缺点?
【多选题】毛泽东在《星星之火,可以燎原》中指出:红军、游击队和红色区域的建立和发展是
A.
半殖民地中国在无产阶级领导之下的农民斗争的最高形式
【单选题】The key to tomorrow‘s “smart cars” will be sensor s. What does“sensor" mean?
A.
a kind of device to detect events or changes in its environment
B.
a kind of fuel or power to start a car
C.
a kind of equipment for smart cars
【单选题】200°C 时反应 2Ag 2 O(s) = 4Ag(s) + O 2 (g, p θ ) 的 Δ r G m θ 为( )。(已知 200°C 时 Ag 2 O 的分解压力为 1378kPa )
【简答题】Smart cars are superior to ordinary cars in many ways. Write a list of the features of smart cars as mentioned in the text.
【单选题】已知 298 K时Ag 2 O(s)的Δ f G m Ө =-11.2 kJ·mol -1 ,反应 2Ag 2 O( s ) = 4Ag (s) + O 2 (g)达平衡时氧的分压最接近于( )
【简答题】反应2Ag2O(s)=4Ag(s)+O2(g)