Fe3+与Sn2+反应的平衡常数对数值(lgK)为()http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/f71f07ed56f9466fa352e59a2692f5f7.png
2×(0.77-0.15)/0.059
举一反三
- )http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/4fb1c353c3c54dc9a7f245384e3eb4b3.jpg
- Fe3+与Sn2+反应的平衡常数对数值(lgK)为()
- 已知f(t)↔F(w),则下列说法正确的是() A: tf(t)↔wF(w) B: F(t)↔f(w) C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/e987a05c70d3455bad2fbdef6ce1fc1d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/92f68075a5ff43708660199e4eed9415.png" />
- Fe3+ 与 Sn2+反应的平衡常数对数值(lgK)为( ) ( φθ(Fe3+/Fe2+)= 0.77 V, φθ(Sn4+/Sn2+)= 0.15 V) 。
- 已知逻辑变量A、B、F的波形图如图所示,F与A、B的逻辑关系是( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/0d89bb79a40d427786873c5c3a4f2ae9.png
内容
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这是哪位设计师的作品?()http://image.zhihuishu.com/testzhs/onlineexam/ueditor/201704/d6b9f18ad26b4d8f89f693b93bd1b0c7.jpg
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设f(x)连续函数,则=( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/d61df8d810544f27ada3ecb86c2d853a.png
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若f(x)是[a,b]上的可导函数,且f(a)=f(b) ,则至少存在一点ξ,使.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/5c852ad6f0884edb8dd79ae30c470f2e.png
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若f(x)是[a,b]上的可导函数,且f(a)=f(b) ,则至少存在一点ξ,使 .http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/5c852ad6f0884edb8dd79ae30c470f2e.png
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若f(x)是[a,b]上的可导函数,且f(a)=f(b),则至少存在一点ξ,使.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/5c852ad6f0884edb8dd79ae30c470f2e.png