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英语翻译离子方程式:①NaOH+CuSO4==②Na2CO3+Hcl==③Ca(OH)2+CO2(少)==④CuSO4+

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/15 19:04:37
英语翻译
离子方程式:
①NaOH+CuSO4==
②Na2CO3+Hcl==
③Ca(OH)2+CO2(少)==
④CuSO4+Ba(OH)2==
⑤Hcl+AgNO3==
⑥Fe+CuSO4==
⑦CaCO3+Hcl==
⑧NaOH+CH3COOH==
⑨H2SO4+Ba(OH)2==
⑩Cu+AgNO3==
抄题 显+-电的用括号括出来如SO4(2-)
上面的离子方程式都能写出来 英语应该也不错
用英语翻译下列句子(过去完成时)
①很幸运,下雨前我们已经到家了.
②张华说她的笔记本丢了
③他曾经告诉过我,会议两点钟开.可是当我到了以后,我还得等到两点半.
④他在这里住了两三天,才觉得没有什么拘束(feel at home)
答出方程式给问题分 答出方程式又翻译英语再加20分 只有英语不给分.
①Cu2+ + 2OH- ==Cu(OH)2(沉淀符号)
②2H+ +CO32- ==H20+CO2(气体符号)
③Ca2+ +2OH- +CO2(少)==CaCO3(沉淀符号)+H20
④Cu2+ + 2OH- +Ba2+ +SO4(2-)==Cu(OH)2+BaSO4(均有沉淀符号)
⑤Ag+ + Cl-==AgCl(沉淀符号)
⑥Fe+Cu2+==Cu +Fe2+
⑦CaCO3+2H+==Ca2+ +H2O +CO2(气体符号)
⑧CH3COOH + OH- = CH3COO- + H2O
⑨2H+ + SO4(2-)+Ba2+ + 2OH-==BaSO4(沉淀符号)+2H2O
⑩Cu+2Ag+==Cu2+ +2Ag
Luckily,we had got home before it began to rain.
Zhang Hua said he had lost his notebook.
He had told me that the meeting was at 2,but when I arrived I had to wait till 2:30.
When he had stayed here for two or three days,he began to feel at home.