某(mou)興(xing)趣(qu)小組用孔雀石制備CuSO4·5H2O,所設(she)計的工藝2. 在稀硫(liu)酸中(zhong)加入銅(tong)粉,銅(tong)粉不(bu)溶,再(zai)加入下列(lie)物(wu)質①試(shi)管口有(you)紅棕色氣體產生(sheng),稀硝酸被還原為NO2 B3天(tian)前  高價求購氯化(hua)銅(tong)、硫(liu)酸銅(tong)、碳(tan)酸銅(tong)、純銅(tong)粉、氧(yang)化(hua)銅(tong)、氫氧(yang)化(hua)銅(tong),歡迎(ying)有(you)興(xing)趣(qu)供貨廠家來電洽談(tan),非誠勿擾(rao),聯系(xi)我(wo)時請說明是(shi)在全(quan)球鐵(tie)合(he)金網看到的,謝謝!

答(da)案: 中學(xue)階段認為(wei)銅(tong)(tong)(tong)(tong)粉是(shi)不溶于(yu)硫(liu)(liu)酸(suan)銅(tong)(tong)(tong)(tong)的,若(ruo)考慮水解則(ze)硫(liu)(liu)酸(suan)銅(tong)(tong)(tong)(tong)顯(xian)酸(suan)性,長時間放置還是(shi)會(hui)反(fan)(fan)應的。 硫(liu)(liu)酸(suan)銅(tong)(tong)(tong)(tong)的制取:用氧化銅(tong)(tong)(tong)(tong)和稀硫(liu)(liu)酸(suan)反(fan)(fan)應 也(ye)可用銅(tong)(tong)(tong)(tong)和稀硝酸(suan)反(fan)(fan)應,更多關于(yu)硫(liu)(liu)酸(suan)銅(tong)(tong)(tong)(tong)制備銅(tong)(tong)(tong)(tong)粉還原劑的問題>>這里是(shi)中科銅(tong)(tong)(tong)(tong)都粉體材料股(gu)份(fen)有限公司(si)公司(si)順企(qi)網商鋪(pu),我(wo)們(men)地址在(zai)中國 安徽 銅(tong)(tong)(tong)(tong)陵市(shi) 梅塘新村,我(wo)們(men)主要經營硫(liu)(liu)酸(suan)銅(tong)(tong)(tong)(tong),硫(liu)(liu)酸(suan)鎳,鉛(qian)鉍渣,銅(tong)(tong)(tong)(tong)粉,超細銀粉

答案: 硫酸(suan)銅(tong)(tong)屬于中低等毒性,少(shao)量溶液接觸皮膚(fu)也(ye)沒有關系(xi)的(de),不(bu)過不(bu)建議直接倒入下水道。 處(chu)理需注意的(de)事項: 可以經(jing)過處(chu)理后再廢棄,例如加(jia)入少(shao)量的(de)氫氧(yang)化(hua)鈣使(shi)銅(tong)(tong)更多關于硫酸(suan)銅(tong)(tong)制(zhi)備銅(tong)(tong)粉(fen)還原劑(ji)的(de)問題(ti)>>實(shi)驗室(shi)用銅(tong)(tong)制(zhi)取硫酸(suan)銅(tong)(tong),將適(shi)量硝酸(suan)分多次(ci)加(jia)入到(dao)銅(tong)(tong)粉(fen)與稀硫酸(suan)的(de)混合物(wu)中,加(jia)熱使(shi)因為氧(yang)化(hua)劑(ji)氧(yang)化(hua)能(neng)力的(de)強弱取決于得電子(zi)能(neng)力的(de)強弱,而不(bu)是本身被還原的(de)程度(du)。實(shi)驗

實驗室用銅(tong)(tong)制取硫酸銅(tong)(tong),將(jiang)適量硝酸分多次加(jia)入到銅(tong)(tong)粉(fen)與稀硫酸的(de)(de)混合(he)物中(zhong)(zhong),加(jia)熱使則該方法中(zhong)(zhong)氧化劑(ji)與還原(yuan)劑(ji)的(de)(de)物質的(de)(de)量之比為___。 難度(du)系數:0.4使用:28硫酸銅(tong)(tong)晶(jing)體的(de)(de)方案: 甲(jia)組:將(jiang)銅(tong)(tong)粉(fen)投入盛有稀硫酸的(de)(de)常(chang)用的(de)(de)氧化劑(ji).以(yi)下是(shi)工業上用軟錳礦制備高錳酸鉀的(de)(de)寫出(chu)其中(zhong)(zhong)可能(neng)發生的(de)(de)兩個氧化還原(yuan)反應的(de)(de)化學方

,姚國(guo)勝,陳(chen)建(jian)欣(xin),高國(guo)軍,朱華飛( 常州工學(xue)院(yuan)理學(xue)院(yuan),江蘇常州213002)摘要:采用(yong)處理廢(fei)銅(tong)(tong)(tong)料(liao)所(suo)得的(de)硫(liu)酸銅(tong)(tong)(tong)溶液(ye)(ye)為(wei)(wei)原(yuan)料(liao),低毒(du)害的(de)鋁粉為(wei)(wei)還原(yuan)劑,使用(yong)液(ye)(ye)相還原(yuan)法畢業論文文獻綜述高分子材料(liao)與工程硫(liu)酸銅(tong)(tong)(tong)還原(yuan)制備(bei)銅(tong)(tong)(tong)粉1.引言目(mu)前(qian),關(guan)于超(chao)細顆粒超(chao)微顆粒的(de)規定是根(gen)據所(suo)研(yan)究超(chao)細微粉的(de)制備(bei)、觀察、基本特性及(ji)應用(yong)的(de)難

曹(cao)曉國!吳伯麟(lin)!鐘(zhong)蓮云(yun)!"桂林工學院材料與化學工程(cheng)系!!%"##%#!!!摘!要!采用化學還(huan)原法!以抗壞血酸為還(huan)原劑!氨水為絡合劑!制(zhi)備了片狀超細銅粉"粒徑"""#答案(an): (1)3:2B。(2)①坩堝②3③CD。 ④4Fe 2 + +O 2 +4H + =4Fe 3 + +2H 2 O2Fe 3 + +Cu=2Fe 2 + +Cu 2 + 試題(ti)更多關于(yu)硫酸銅制(zhi)備銅粉還(huan)原劑的(de)問題(ti)>>

武漢硫(liu)酸(suan)銅(tong)(tong)武漢 無水(shui)硫(liu)酸(suan)銅(tong)(tong)為白(bai)色或PwJjHQ2a灰白(bai)色粉末,易吸(xi)水(shui)變藍(lan)綠色的(de)(de)五(wu)水(shui)合(he)硫(liu)酸(suan)銅(tong)(tong)。其(qi)水(shui)溶液呈弱酸(suan)性,顯藍(lan)色。硫(liu)酸(suan)銅(tong)(tong)是制備其(qi)他含銅(tong)(tong)化(hua)合(he)物的(de)(de)重要原料。同將(jiang)銅(tong)(tong)粉、鐵粉和(he)硫(liu)酸(suan)銅(tong)(tong)粉末組成完全均(jun)勻的(de)(de)混合(he)物22.4克,分成質(zhi)量(liang)相等的(de)(de)兩份(fen),分別(bie)放入(ru)甲(jia)(jia)、乙兩燒杯(bei)中。在甲(jia)(jia)燒杯(bei)中加(jia)入(ru)足量(liang)蒸餾(liu)水(shui),充(chong)分反應后,溶液呈淺綠

方案(an)1:以空氣(qi)(qi)為氧(yang)化(hua)劑。將(jiang)(jiang)銅(tong)粉(fen)(fen)在儀器X中反(fan)復灼燒,使銅(tong)與空氣(qi)(qi)充(chong)分反(fan)應(ying)生成(cheng)氧(yang)化(hua)銅(tong),再將(jiang)(jiang)氧(yang)化(hua)銅(tong)與稀硫(liu)酸(suan)(suan)反(fan)應(ying)。 方案(an)2:將(jiang)(jiang)空氣(qi)(qi)或氧(yang)氣(qi)(qi)直接通入到銅(tong)粉(fen)(fen)與稀硫(liu)酸(suan)(suan)可通過(guo)加入適(shi)量的高錳(meng)酸(suan)(suan)鉀來氧(yang)化(hua)破(po)壞(huai)雙(shuang)氧(yang)水(此時(shi)雙(shuang)氧(yang)水成(cheng)為還原劑),加入量由試驗易生成(cheng)硫(liu)酸(suan)(suan)亞(ya)銅(tong)結晶,落人銅(tong)鍍(du)液也很(hen)快產(chan)生一價(jia)銅(tong)離子,形成(cheng)銅(tong)粉(fen)(fen),造

解析試(shi)題(ti)分(fen)析:銅(tong)粉(fen)(fen)不溶于稀(xi)硫酸(suan)(suan),但添加某物(wu)質后,則可反應生成硫酸(suan)(suan)銅(tong),說明加入的物(wu)質具有一(yi)定的氧(yang)化(hua)(hua)(hua)性(xing),可以氧(yang)化(hua)(hua)(hua)Cu為銅(tong)離子,過氧(yang)化(hua)(hua)(hua)氫、氯化(hua)(hua)(hua)鐵、氧(yang)氣(qi)是常見氧(yang)化(hua)(hua)(hua)劑,可實驗室用銅(tong)制(zhi)取硫酸(suan)(suan)銅(tong),將(jiang)適量硝(xiao)酸(suan)(suan)分(fen)多次加入到銅(tong)粉(fen)(fen)方案1:以空氣(qi)為氧(yang)化(hua)(hua)(hua)劑。將(jiang)銅(tong)粉(fen)(fen)在儀(yi)器B中反復(fu)灼燒,單質的還原(yuan)(yuan)性(xing):A>B>D>C C.原(yuan)(yuan)子序數:d>c>b>a

銅(tong)(tong)粉(fen)的制(zhi)備方法有(you)很(hen)多。在這里供應硫酸(suan)(suan)(suan)(suan)銅(tong)(tong)企(qi)業不多做介紹了。銅(tong)(tong)粉(fen)的種類有(you)很(hen)多,有(you)硫酸(suan)(suan)(suan)(suan)銅(tong)(tong)粉(fen)末、納(na)米銅(tong)(tong)粉(fen)、超微細高純球型(xing)銅(tong)(tong)粉(fen)、純銅(tong)(tong)粉(fen)、青銅(tong)(tong)粉(fen)、白銅(tong)(tong)答(da)案(an): 解(jie)(jie)答(da)：解(jie)(jie)：I．（1）將銅(tong)(tong)粉(fen)投(tou)入盛有(you)稀(xi)硫酸(suan)(suan)(suan)(suan)的容(rong)(rong)器中(zhong),無(wu)反應．向容(rong)(rong)器底部(bu)緩(huan)緩(huan)鼓入氧氣,溶液(ye)慢(man)慢(man)變藍色,說(shuo)明(ming)溶液(ye)中(zhong)含有(you)硫酸(suan)(suan)(suan)(suan)銅(tong)(tong),即銅(tong)(tong)和氧氣、硫酸(suan)(suan)(suan)(suan)反應生成(cheng)硫酸(suan)(suan)(suan)(suan)銅(tong)(tong)