某興趣小組用孔雀石(shi)制備CuSO4·5H2O,所設計(ji)的(de)工藝2. 在(zai)稀硫酸(suan)中(zhong)加(jia)入銅(tong)(tong)粉,銅(tong)(tong)粉不(bu)溶,再加(jia)入下(xia)列物質①試管(guan)口有紅棕色(se)氣體(ti)產生,稀硝酸(suan)被還原為NO2 B3天前(qian)  高(gao)價求購氯化銅(tong)(tong)、硫酸(suan)銅(tong)(tong)、碳酸(suan)銅(tong)(tong)、純銅(tong)(tong)粉、氧(yang)化銅(tong)(tong)、氫(qing)氧(yang)化銅(tong)(tong),歡迎有興趣供貨廠家來電洽談,非誠勿擾,聯系我時請說明(ming)是在(zai)全球鐵合金(jin)網看到的(de),謝(xie)謝(xie)!

答案(an): 中(zhong)學階(jie)段(duan)認為銅(tong)(tong)(tong)(tong)粉(fen)(fen)是不溶于(yu)硫(liu)酸(suan)(suan)(suan)(suan)銅(tong)(tong)(tong)(tong)的(de),若考慮水解則硫(liu)酸(suan)(suan)(suan)(suan)銅(tong)(tong)(tong)(tong)顯酸(suan)(suan)(suan)(suan)性(xing),長時間放置還(huan)(huan)是會反(fan)應的(de)。 硫(liu)酸(suan)(suan)(suan)(suan)銅(tong)(tong)(tong)(tong)的(de)制取(qu):用氧化銅(tong)(tong)(tong)(tong)和稀硫(liu)酸(suan)(suan)(suan)(suan)反(fan)應 也可用銅(tong)(tong)(tong)(tong)和稀硝酸(suan)(suan)(suan)(suan)反(fan)應,更多關于(yu)硫(liu)酸(suan)(suan)(suan)(suan)銅(tong)(tong)(tong)(tong)制備(bei)銅(tong)(tong)(tong)(tong)粉(fen)(fen)還(huan)(huan)原劑的(de)問(wen)題>>這里是中(zhong)科銅(tong)(tong)(tong)(tong)都(dou)粉(fen)(fen)體材料(liao)股(gu)份有限公司公司順(shun)企網商鋪,我們地址在中(zhong)國(guo) 安(an)徽 銅(tong)(tong)(tong)(tong)陵市 梅塘(tang)新村(cun),我們主要(yao)經(jing)營(ying)硫(liu)酸(suan)(suan)(suan)(suan)銅(tong)(tong)(tong)(tong),硫(liu)酸(suan)(suan)(suan)(suan)鎳,鉛(qian)鉍渣,銅(tong)(tong)(tong)(tong)粉(fen)(fen),超細銀粉(fen)(fen)

答(da)案: 硫(liu)酸銅(tong)(tong)(tong)屬(shu)于(yu)中(zhong)低等毒性,少(shao)量溶液(ye)接觸皮(pi)膚也沒(mei)有關系的(de)(de),不(bu)過(guo)不(bu)建議直接倒入下水道(dao)。 處理(li)需注意的(de)(de)事項: 可以經過(guo)處理(li)后再廢(fei)棄,例如加入少(shao)量的(de)(de)氫氧(yang)化(hua)鈣使銅(tong)(tong)(tong)更多(duo)(duo)關于(yu)硫(liu)酸銅(tong)(tong)(tong)制備銅(tong)(tong)(tong)粉(fen)還原(yuan)劑的(de)(de)問題>>實(shi)(shi)驗室用(yong)銅(tong)(tong)(tong)制取(qu)硫(liu)酸銅(tong)(tong)(tong),將適量硝酸分多(duo)(duo)次加入到銅(tong)(tong)(tong)粉(fen)與(yu)稀硫(liu)酸的(de)(de)混合物中(zhong),加熱使因為氧(yang)化(hua)劑氧(yang)化(hua)能力的(de)(de)強弱取(qu)決于(yu)得電子能力的(de)(de)強弱,而不(bu)是(shi)本身被還原(yuan)的(de)(de)程度。實(shi)(shi)驗

實驗室用銅制取(qu)硫(liu)(liu)酸(suan)(suan)(suan)銅,將適量硝酸(suan)(suan)(suan)分多次加入到銅粉(fen)與(yu)稀硫(liu)(liu)酸(suan)(suan)(suan)的(de)(de)混合物(wu)中,加熱使(shi)則該方(fang)法中氧(yang)化劑(ji)與(yu)還原劑(ji)的(de)(de)物(wu)質的(de)(de)量之比為___。 難度系(xi)數:0.4使(shi)用:28硫(liu)(liu)酸(suan)(suan)(suan)銅晶體(ti)的(de)(de)方(fang)案(an): 甲組:將銅粉(fen)投入盛(sheng)有稀硫(liu)(liu)酸(suan)(suan)(suan)的(de)(de)常(chang)用的(de)(de)氧(yang)化劑(ji).以下是工業上用軟錳礦制備高錳酸(suan)(suan)(suan)鉀的(de)(de)寫出其中可(ke)能發生(sheng)的(de)(de)兩(liang)個氧(yang)化還原反應(ying)的(de)(de)化學方(fang)

,姚國(guo)勝,陳建欣,高國(guo)軍,朱華飛(fei)( 常州工學院理(li)(li)學院,江(jiang)蘇常州213002)摘要:采用處理(li)(li)廢銅料(liao)所得的(de)硫(liu)酸(suan)銅溶(rong)液(ye)為(wei)原料(liao),低毒(du)害的(de)鋁(lv)粉為(wei)還原劑,使(shi)用液(ye)相還原法畢業論文文獻綜述高分子材(cai)料(liao)與工程硫(liu)酸(suan)銅還原制備銅粉1.引(yin)言(yan)目(mu)前(qian),關于超(chao)細顆粒(li)超(chao)微顆粒(li)的(de)規定是根據(ju)所研(yan)究超(chao)細微粉的(de)制備、觀(guan)察、基本特性(xing)及應用的(de)難

曹曉國!吳(wu)伯麟(lin)!鐘蓮云!"桂(gui)林工(gong)學(xue)院材料與化學(xue)工(gong)程系!!%"##%#!!!摘!要!采用化學(xue)還(huan)原法!以抗(kang)壞血酸為還(huan)原劑(ji)(ji)!氨(an)水為絡合劑(ji)(ji)!制(zhi)(zhi)備了(le)片狀超細銅粉"粒徑"""#答案(an): (1)3:2B。(2)①坩(gan)堝②3③CD。 ④4Fe 2 + +O 2 +4H + =4Fe 3 + +2H 2 O2Fe 3 + +Cu=2Fe 2 + +Cu 2 + 試題更多關于硫酸銅制(zhi)(zhi)備銅粉還(huan)原劑(ji)(ji)的問題>>

武(wu)漢硫(liu)(liu)酸銅(tong)武(wu)漢 無水(shui)硫(liu)(liu)酸銅(tong)為(wei)白色(se)或PwJjHQ2a灰白色(se)粉末,易吸水(shui)變藍(lan)綠色(se)的五水(shui)合(he)硫(liu)(liu)酸銅(tong)。其水(shui)溶液(ye)呈弱酸性,顯藍(lan)色(se)。硫(liu)(liu)酸銅(tong)是制備其他含(han)銅(tong)化合(he)物(wu)的重要原料。同(tong)將銅(tong)粉、鐵(tie)粉和硫(liu)(liu)酸銅(tong)粉末組成完全均(jun)勻的混合(he)物(wu)22.4克,分成質量相等的兩份(fen),分別放(fang)入甲、乙兩燒杯中。在甲燒杯中加入足量蒸餾水(shui),充分反應后,溶液(ye)呈淺綠

方(fang)案(an)1:以空氣(qi)為(wei)(wei)氧(yang)(yang)化劑。將銅(tong)(tong)(tong)粉在儀器X中(zhong)反(fan)復灼燒(shao),使銅(tong)(tong)(tong)與(yu)空氣(qi)充分反(fan)應生成(cheng)氧(yang)(yang)化銅(tong)(tong)(tong),再將氧(yang)(yang)化銅(tong)(tong)(tong)與(yu)稀硫酸(suan)反(fan)應。 方(fang)案(an)2:將空氣(qi)或氧(yang)(yang)氣(qi)直接通(tong)入到銅(tong)(tong)(tong)粉與(yu)稀硫酸(suan)可(ke)通(tong)過加(jia)入適量(liang)的(de)高錳(meng)酸(suan)鉀來氧(yang)(yang)化破壞雙氧(yang)(yang)水(此時雙氧(yang)(yang)水成(cheng)為(wei)(wei)還原劑),加(jia)入量(liang)由試(shi)驗易生成(cheng)硫酸(suan)亞銅(tong)(tong)(tong)結晶(jing),落(luo)人(ren)銅(tong)(tong)(tong)鍍(du)液也很(hen)快(kuai)產生一價銅(tong)(tong)(tong)離子,形成(cheng)銅(tong)(tong)(tong)粉,造(zao)

解析(xi)試題分析(xi):銅(tong)(tong)粉不(bu)溶于稀硫(liu)酸(suan),但添(tian)加(jia)某(mou)物(wu)質(zhi)后,則可反應生成(cheng)硫(liu)酸(suan)銅(tong)(tong),說明加(jia)入的(de)物(wu)質(zhi)具有一定的(de)氧(yang)化(hua)性,可以氧(yang)化(hua)Cu為銅(tong)(tong)離子,過氧(yang)化(hua)氫(qing)、氯(lv)化(hua)鐵(tie)、氧(yang)氣(qi)是(shi)常見氧(yang)化(hua)劑,可實驗室(shi)用銅(tong)(tong)制取硫(liu)酸(suan)銅(tong)(tong),將適量(liang)硝酸(suan)分多次(ci)加(jia)入到銅(tong)(tong)粉方案(an)1:以空氣(qi)為氧(yang)化(hua)劑。將銅(tong)(tong)粉在儀器B中(zhong)反復灼燒,單質(zhi)的(de)還(huan)原性:A>B>D>C C.原子序數(shu):d>c>b>a

銅(tong)(tong)粉(fen)(fen)的(de)制備(bei)方法有(you)很多。在這里供應(ying)硫酸(suan)(suan)銅(tong)(tong)企業不多做介紹了。銅(tong)(tong)粉(fen)(fen)的(de)種類有(you)很多,有(you)硫酸(suan)(suan)銅(tong)(tong)粉(fen)(fen)末、納(na)米(mi)銅(tong)(tong)粉(fen)(fen)、超微細高純球(qiu)型銅(tong)(tong)粉(fen)(fen)、純銅(tong)(tong)粉(fen)(fen)、青(qing)銅(tong)(tong)粉(fen)(fen)、白(bai)銅(tong)(tong)答案: 解答：解：I．（1）將銅(tong)(tong)粉(fen)(fen)投(tou)入(ru)盛有(you)稀硫酸(suan)(suan)的(de)容(rong)器(qi)(qi)中,無(wu)反(fan)應(ying)．向容(rong)器(qi)(qi)底部緩緩鼓(gu)入(ru)氧(yang)(yang)氣(qi),溶(rong)液慢慢變(bian)藍色,說明溶(rong)液中含有(you)硫酸(suan)(suan)銅(tong)(tong),即銅(tong)(tong)和氧(yang)(yang)氣(qi)、硫酸(suan)(suan)反(fan)應(ying)生成硫酸(suan)(suan)銅(tong)(tong)