标定滴定液的基准物质:氢氧化钠滴定液().
A.氯化钠
B.氧化锌
C.无水碳酸钠
D.邻苯二甲酸氢钾
参考答案:D
The tendency to commit additional funds to a position that has decreased in value is known in behavioral finance as:()
A. overconfidence bias.
B. confirmation bias.
C. escalation bias.
在一定温度下,10L密闭容器中加入5molSO2、 4molO2,经10min后反应达平衡时有3molSO2发生了反应。试计算:
(1)用SO2表示该反应的反应速率为多少?
(2)O2的转化率为多少?
(3)平衡常数K为多少?