【单选题】已知25°C,φθMnO4-/Mn2+=1.51V,当[MnO4-]=LMn2+]=[H+]=0.10mol/L时,该电极电位值为()V
【简答题】She decided to _________ (invest) one million in the gas industry.
【单选题】某开证行6月4日(周一)收到来自H银行寄来的单据,根据《UCP600》规定,最迟的审单日期应当截止到( )
【简答题】The following sentences tell what the speaker did. Read them. Then listen to the material and rearrange the sentences in the right order. 1. 2. 3. 4. a. She decided to have a conversation with her roo...
【简答题】单选题 1. ______ your heart ______ love and you will have a broad mind. A.Shower ... with B.Come up ... with C.Excuse ... with D.Conform ... with 2. It was no surprise that they were perceived as rude an...
【简答题】孔子的很多思想,尤其是其教育思想,对中国社会产生了深远的影响。在21世纪的今天, 孔子的学说不仅受到中国人的重视,而且也越来越受到整个国际社会的重视。
【单选题】已知25°C 时电对MnO 4 - +8 H + +5 e - = Mn 2 + +4 H 2 O 的E Θ =+1.51 v,若此时 [ H + ] 浓度由 1 mol·L -1 变为 1×10 -4 mol·L -1 ,则该电对的电极电势变化值(v)为()。
【单选题】已知 25 ° C 时电对 MnO 4 - + 8H + →Mn 2+ + 4H 2 O 的 j Æ = 1.51 V ,若此时 [H + ] 由 1mol / L减少到10 -4 mol / L,则该电对的电极电势变化值为( )。
【单选题】已知25°C,φ0MnO4-/Mn2+=1.51V,当[MnO4-]=[Mn2+]=0.1mol/L时,该电极电位值为()V。
【简答题】______ your heart ______ love and you will have a broad mind. A.Shower ... with B.Come up ... with C.Excuse ... with D.Conform ... with 2. It was no surprise that they were perceived as rude and _____...