英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   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       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
C4H8O2查看　C4H8O2　在百度字典中的解释百度英翻中〔查看〕
C4H8O2查看　C4H8O2　在Google字典中的解释Google英翻中〔查看〕
C4H8O2查看　C4H8O2　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Solved A compound with the molecular formula C4H8O2 gives a - Chegg
    A compound with the molecular formula C4H8O2 gives a 1H NMR spectrum with the following three signals What is the structure of the compound? 1 21 ppm (6H, doublet) 2 59 ppm (1H, septet-multiplet of 7 peaks) 11 38 ppm (1H, singlet) OH OH H Y 사 H Which of the reactants is the nucleophile in the following reaction?
  • Solved A compound has the molecular formula C4H8O2. Deduce - Chegg
    A compound has the molecular formula C4H8O2 Deduce its structure from the IR, MS, 1H-NMR, 13C-NMR spectra shown below The compound does not absorb within the UV region Make sure you assign all signals to individually labelled nuclei on your structure
  • Solved Draw the structures of 4 esters with formula | Chegg. com
    Draw the structures of 4 esters with formula C4H8O2 please show how to draw Your solution’s ready to go! Our expert help has broken down your problem into an easy-to-learn solution you can count on
  • Solved Ethyl acetate, C4H8O2, is afragrant substance used - Chegg
    Ethyl acetate, C4H8O2, is afragrant substance used both as a solvent and as an aroma enhancer Its Lewis structure is shown below (a) What is the hybridization at each of thecarbon atoms of the molecule? (Type your answer using the formatsp3d2 for sp3d2 )The carbon bound to the oxygen is
  • Solved Draw the structure of the compound C4H8O2 from its - Chegg
    Draw the structure of the compound C4H8O2 from its proton (1H) NMR spectrum below First-order spin-spin splitting rules and equal coupling constants can be assumed (Detailed analysis of any non-first order portions of the spectrum will not be required ) integral ratios to the nearest whole number are (left to right) 1:2:2:3
  • Solved Draw skeletal structures of the isomers of C4H8O2 - Chegg
    Answer to Draw skeletal structures of the isomers of C4H8O2 Science; Chemistry; Chemistry questions and answers; Draw skeletal structures of the isomers of C4H8O2 that contain each of the following features: (i) a carboxylic acid and a 3 degree carbon (ii) an aldehyde, a 1degree alcohol and two 2 degree carbons (iii) an alkene, two 1 degree alcohols (iv) an ether, a ring and a 2 degree
  • Solved What types of IMFs can this molecule (C4H8O2) have - Chegg
    Question: What types of IMFs can this molecule (C4H8O2) have with molecules of the same type? Dipole-dipole only Dispersion only Dispersion and dipole-dipole Dispersion, dipole-dipole, and H-bonding Show transcribed image text
  • Solved If 3. 3 g of butanoic acid, C4H8O2, is dissolved in - Chegg
    Question: If 3 3 g of butanoic acid, C4H8O2, is dissolved in enough water to make 1 0 L of solution, what is the resulting pH ? Look up the Ka value in the Table of Ionization Constants Show transcribed image text
  • Solved Draw the structures of 3 constitutional isomers with - Chegg
    Question: Draw the structures of 3 constitutional isomers with the molecular formula of C4H8O2 Click and drag to start drawing a structure Show transcribed image text





中文字典-英文字典  2005-2009