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(2013?湖北一模)某课外小组用如图所示装置进行

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(1)电解过程中,X电极上电极反应式为2H2O+2e-=H2↑+2OH-,所以c(OH-)增大,溶液的pH增大,故答案为:增大;
(2)Y电极上还发生的反应为Fe失电子和氢氧根离子反应生成高铁酸根离子和水,电极反应式为Fe-6e-+8OH-=FeO42-+4H2O,故答案为:Fe-6e-+8OH-=FeO42-+4H2O;
(3)X电极收集的气体是氢气,n(H2)=
0.672L
22.4L/mol =0.03mol,Y电极析出氧气的物质的量=
0.168L
22.4L/mol =0.0075mol,根据转移电子相等得铁溶解的质量=
0.03mol×2?0.0075mol×4
6 ×56g/mol=0.28g,故答案为:0.28;
(4)正极上高铁酸根离子得电子和水反应生成氧化铁和氢氧根离子,电极反应式为2FeO42-+6e-+5H2O=Fe2O3+10OH-,故答案为:2FeO42-+6e-+5H2O=Fe2O3+10OH-.

餐桌礼仪如何具体影响跨文化交际

各国间的餐桌礼仪不甚相同,故在认知方面本身就存在差异。
你的理所当然却会在不经意中成为别人的匪夷所思。

就说这么多,希望小编对您有帮助。。

跨文化交际案例怎么分析,要求是250字英文,求意见,先谢过了。下面是案 ...

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To avoid this situation they should have more communicatio to each other .As Bob i think he should spent more time with his collegues which is necessary to develop their relationship. As for the collegues,they should take more care about each other.

《跨文化交际》cross-cultural Communication的参考资料

顾约国教授是这方面的专家,你可以查找他的资料.

如何在跨文化交流中取得成功?

什么是跨文化领导 跨文化领导是在经济交流和市场扩展的过程中逐渐产生出来的一种独特的领导现象。在跨文化领导产生...因此,对于那些想要在多元文化共存的格局中取得成功的领导者来说,了解跨文化...这一差异正呈现在他们面前,如何将这一差异...

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