英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   







請輸入英文單字,中文詞皆可:

請選擇你想看的字典辭典:
單詞字典翻譯
H3PO3查看 H3PO3 在Google字典中的解釋Google英翻中〔查看〕
H3PO3查看 H3PO3 在Yahoo字典中的解釋Yahoo英翻中〔查看〕





安裝中文字典英文字典查詢工具!


中文字典英文字典工具:
選擇顏色:
輸入中英文單字

































































英文字典中文字典相關資料:
  • What is Phosphorous acid? - BYJUS
    H3PO3 + 3NaOH → Na3PO3 + 3H2O Uses of Phosphorous Acid – H 3 PO 3 Used in the production of basic lead phosphonate PVC stabilizer, aminomethylene phosphonic acid and hydroxyethane diphosphonic acid Used as a strong reducing agent Used in the production of raw materials of phosphorous acid, synthetic fibres and organophosphorus pesticides etc
  • Reaction of phosphorous acid (H3PO3) and potassium hydroxide (KOH)
    For the reaction of phosphorous acid ($\ce {H3PO3}$) and potassium hydroxide ($\ce {KOH}$), write (a) the balanced molecular equation and (b) the net ionic equation
  • Oxoacids Of Phosphorus - BYJUS
    Well Known Oxo-acids of Phosphorous Phosphorus acid, H3PO3: Phosphorous acid is a diprotic acid which means that one molecule of it will release two protons Its structural formula HPO (OH)2 explains it all Acidic or aqueous (steam) hydrolysis of phosphorus trichloride yields Phosphorous acid
  • Order of Acidic strength: Phosphorus oxoacids [duplicate]
    Closed 7 years ago I was asked to compare the acidic strength of the following phosphorus oxoacids, I thought the order (of strength) would be $\ce {H3PO4 > H3PO3 > H3PO2}$, because they have three, two and one ionizable $\ce {O-H}$ bonds (that furnish protons $\ce {H^+}$ ions)
  • n-Factor of phosphorous acid - Chemistry Stack Exchange
    But in $\ce {H3PO3}$ two of the three hydrogens are attached to oxygen and the other hydrogen is directly attached to phosphorous Note that only those hydrogens attached to highly electronegative elements can be donated easily in case of inorganic acids
  • Structure of pyrophosphorous acid - Chemistry Stack Exchange
    Pyrophosphorous acid is the acid anhydride of phophorous acid: $$\ce {H3PO3 + H3PO3 -> H4P2O5 + H2O}$$ Phosphorous acid in water occurs in two forms, $\ce {H3PO3}$ and $\ce {H2PHO3}$, with no direct bonds between phosphorous and hydrogen in the first case, and one direct bond between phosphorous and hydrogen in the second case, see Why is phosphorous acid diprotic and not triprotic? In the
  • Why is phosphorous acid diprotic and not triprotic? [closed]
    In H3PO3 only only 2 hydroxide groups exist, instead of 3 If there is 3 hydroxide group, the phosphorous will have 1 lone pair electrons, which will still satisfy the valence electron of Phosphorous
  • How do i convert H3PO3 to p2o5? - Answers
    To convert phosphorous acid (H₃PO₃) to diphosphorus pentoxide (P₂O₅), you need to first oxidize H₃PO₃ to phosphoric acid (H₃PO₄) This can be achieved using an oxidizing agent like
  • Why is phosphorous acid more acidic than phosphoric acid?
    Phosphoric acid has basicity of 3 i e it can loose 3 $\ce {H+}$ while phosphorous acid has basicity of 2 Why is phosphorous acid more acidic than phosphoric acid? Acidity refers to the ability to
  • Phosphorous acid vs phosphonic acid? - Chemistry Stack Exchange
    I want to know the difference b w phosphonic acid and phosphorous acid The formula for both is H3PO3 Websites give me conflicting answers Which one of them is dibasic and which one is tribasic?





中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典