英语翻译s

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• FeS的电离中c(Fe+)*c(s2-)=6.25*10^-18,又知溶液中,[c(H+)]^2*c(S2-)=1*10^-22现将适量的FeS,投入饱和溶液中,要使溶液的c(Fe2+)达到1mol/L,应调节溶液的PH为多少?
• 填标点⑨听了这番有趣的解释,我对这种树木产生出一种sǜ rán qǐ jìng ( )的感情.它既能生在土质肥沃□气候相宜的美丽风景区□又能繁殖于干燥贫瘠□漫漫沙流的不毛之地□它在湖光山影□花红柳绿的秀丽处所□风姿飘洒□落落大方□现出一派bǜ bēi bǜ kàng( )的仪表□它在满目黄沙□寸草不生的古漠□轻声慢语□谦和内秀□没有一点傲然超众□gū fāng zì shǎng( )的神情□我爱旅行家树的所有具有的这种品质□离开非洲时,我曾想带回一株旅行家树的幼苗,移植于自己的庭院里,后来又作罢,心想：倒莫如把旅行家树的品质,移植于自心中.
• FeS饱和溶液中c(Fe2+)c(S2与c（H+）*c(OH-)=Kw类似,FeS饱和溶液中c（Fe2+)*c(S2-)=Ksp.常温下Ksp=8.1*10-17.理论上FeS的溶解度为?而事实上其浓度远大于这个数值,其原因可能是?
• 英语翻译Coenzyme Q10,or CoQ10 is a vitamin-like compound also called ubiquinone.It is an essential component of cells and utilized by the mitochondria in the normol process of energy production for cells.It is found in highest concentration in cells of the heart,liver,kidney and pancreas.CoQ10 can also act as a potent antioxidant to help prevent cellular damage from free radicals.
• 英语翻译我们先发出邀请函,邀请一些朋友来参加生日聚会,我们要准备一样气球,买一些饮料和买一个生日蛋糕.我将扮演小丑,其他人带礼物.我想这次聚会会很开心.
• 英语翻译it will probably remain one as long as there are animals that give milk.
• Fe2+和S2-反应是生成FeS还是发生双水解?Fe2+和S2-反应是生成FeS沉淀还是发生双水解生成Fe(OH)2和H2S?为什么不发生双水解?FeS溶解度小于Fe(OH)2,H2S会和Fe(OH)2反应生成FeS?
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