您的位置: 首页 > 作业答案 > 化学 > yi dao hua xue ti

yi dao hua xue ti

分类: 作业答案 • 2022-03-12 21:47:12

问题描述：

yi dao hua xue ti
氢气与氧气生成水正电极反应方程式电解液是KOH溶液

答

O2+4e-+2H2O=4OH-

wo de dian nao da bu dao hua yu le ,zen me ban ,shi zheng ge ke yi xuan zhe you yong hua yu he yingwo de dian nao da bu dao hua yu le ,wo bu dong an dao shen me dong xi,dao bu dao hua yu le,zen me bang,shi you de xuan yong hua yu he ying yu de dong xi bu jian le
yi dao shu xue ti8个小朋友在“学雷锋活动”中一共做了24件好事,（（补上问题三个,使这道题目成为三道应用题,）
yi dao shu zi ti ,2用上+-*/和一组小括号,与一位数1,2,3,4,5可以编出多少道得数为正整数的算式?请注明每一道题的得数的.
yi dao shu zi ti ,转：百度知道-百度×知道＝AAAA不同的汉字表示的数字也不同．AAAA表示由相同数字组成的四位数.你能写出所有符合要求的算式来吗?
yi dao pu tong shu xue tia-b=10 ab=7 求a=?b=?
wo ye zhi dao...dan shi bi ye yu zhe ge xue xio de ren ke neng kan dao wo xie de,suo yi ㅠ
dian dao mei you xian shi yu yan lang suo yi da bu chu zhong wen ,gai zen me bang?er qie gong ju lang li de yu yan lang ye da le ge gou ban ban mang jing chang chu xian yi ge kuang ,li mian xie zhe:Ox7c883fc4 zhi ling yin yong de Ox00000000 nei cun .gai nei cun buneng wei writtenguang dong ren jiu shi zhe yang .mei bang fa.ti liang yi xia.
zai na ge wang zhan ke yi zhao dao geng dou de gao xiao de Flash dong hua ya //
yi dao ying yu ti
yi dao ying yu ti
一百个正整数的和是6666，它们的最大公因子（HCF）最大可能值是多少？
分解因式-x²+4xy-4y²