我的分析是O在O,S,N中电负性最大,所以酸性比较是CH3CH2OH〉CH3CH2NH2〉CH3CH2S.然而酸性大小相反在conjugate base,所以CH3CH2O-〉CH3CH2S-.那么酸性大小排列是CH3CH2OH〉CH3CH2NH2〉CH3CH2S〉CH3CH2O-〉CH3CH2S-.结论,碱性倒过来,所以CH3CH2S-最大.我哪里说错了?求具体分析.我不太明白,CH3CH2NH2中N不是...
For the reaction shown below, which of the following correctly represents a conjugate acid-base pair? HCO2H(aq) + H2O(l) \leftrightharpoons H3O^+(aq) + HCO2^-(aq) - H3O^+/HCO2^- - HCO2H/H3O^+ - HCO2H/HCO2^- - HCO2H/H2O - H2O/H...
For each of the following acid and base, write the formula for the conjugate base and acid: CH3CH2NH3+ (acid) HCO2-(base) Identify the acid, base, conjugate acid and conjugate base for each of the following. a) HClO4 (aq) + H2O (l) = ...
aeruginosa. The novel synthetic nano-drug possessed high loading capacity and pH-sensitive release profile; resultantly, it exhibited very potent bactericidal activity in a mouseS. aureuswound infection model compared to LVX. Based on the results, the antibacterial properties of the drug enhanced after...
5 mL of conidial suspension was poured surrounding the stem base of 4 days old seedlings. After 24 h of inoculation, the same volume of 0.04 mg/mL of CNPs and NiCNC were applied following same procedure as above. Seedlings were grown in plastic trays (14 × 30 × 7 cm) conta...
cells were cultured in full serum media defined as 37°C and 5% carbon dioxide (CO2) in RPMI 1640 supplemented with 10% heat-inactivated fetal bovine serum, 2 mM l-glutamine (#15030164; Invitrogen, Carlsbad, CA), and 56 U/mL and 56ug/mL of penicillin and streptomycin respectively (#1514...
and 72 °C for 60 s. The purified PCR products were sequenced at the Macrogen company in south Corea. In order to calculate the similarity score, the multiple alignments were aligned with other identified strains in GenBank database through the online BLAST program (http://www.blast.ncbi...
1H-NMR and visible absorbtion spectroscopic titrations of a unique hydrocarbon capped porphyrin3H2with trifluoroacetic acid in chloroform establish the formation of a stable monoprotonated porphyrin species3H3+&{;CF3CO2&};.doi:10.1016/S0040-4020(01)80553-6rn Almarsson...
NH4^+ + CN^- (EQUILIBIUM ARROWS) NH3 + HCN IDENTIFY ACID, CONJUGATE ACID, BASE AND CAJUGATE BASE?Conjugate Acid/ Base:The definition of conjugate acid and conjugate base is given by the Bronsted-Lowry and Lewis acid-base theory.
Answer to: What is a pH of 0.350 M solution of sodium actetate (Hint: The acetate ion is the conjugate base of acetic acid). By signing up, you'll...