">72F1F-SE0AA1AAA4AA72F2H-SE0AA1AAA4AA10W40-UA0A1AA0A4AA10W1Z-UC0A1AA0A4AA50P25-AS0A1BA0AAAW50P1F-EM0A1BA0AAAW53W2H-HC2B1AK6AGCAL=100m53W2F-HC2B1AK6AGCAL=100m80A02-ASVWAAAACAAA65F25-AE2AG1AAAACA10W1F-UC0A1AA0A4AA10W2F-UD0A1AA0A4AA10W1H-UC0A1AA0A4AA50W3H-HC0A1AA0...
15.25℃时,己知CaCzCh的Kp=5.0X10-9,H22O4的Kai=5.6X104心=L5Xl(r»。 则在25C时下列有关说法正确的是 A.22。/-+Ca2++HO-OH+HC2O/+CaCO及=3.3X10-2 224 B.HC2O4+OH+Ca2+^HO+CaCO4K=15此时可以认为反应进行完全 22 2 C.HCO4+C2O4=2HC2O4-K=3.7 22 D.把CaCzCU固体溶于pH=4.8的CH3oO...
将0.20 mol.dm-3盐酸和0.20 mol.dm-3H2C2O4溶液等体积混合后,求溶液中C2O42-和HC2O4-的浓度。(已知H2C2O4:Ka1θ=5.9×10-2,Ka2θ=6.4×10-5)。 查看完整题目与答案 写出所有分子式为C4H8O的醛和酮的构造式及其中英文系统命名。 查看完整题目与答案 土层锚杆的主要施工过程包括___、安放钢拉...
5 结语14 Nb3Sn 以其高的Hc2 特性而广泛应用于超导磁体.近年 来,ITER,HEP 以及NMR 等研究的深入给Nb.Sn 超导材料的 发展带来了新的契机然而,提高NbsSn 超导材料的超导性 能面临着降低deff,提高材料Sn 含量等问题.因此.探寻影响11 NbSn 超导材料Jc 的本质,是未来研究的核心.~ ...
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18.(14分)草酸(H2C2O4)是植物中普遍含有的成分,具有广泛的用途。常温下其电离常数为Ka1 = 5.6×10-2,Ka2 = 1.5×10-4 。请回答下列问题:(1)H2C2O4的电离方程式为:H2C2O4 x HC2O4- + H+、___。(2)使H2C2O4的电离平衡向右移动且电离程度增大的措施有___(写一个)。(3)设计实验证明H2C2O4为弱酸的方...
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代理Discord-Bot对话Coze-Bot,实现API形式请求GPT4对话模型/微调模型. Contribute to RAONB666/coze-discord-proxy development by creating an account on GitHub.
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