Classify the species as a Lewis acid or a Lewis base: NH_3 Classify the species as a Lewis acid or a Lewis base: SO_2 Classify each of the following as either a Lewis acid or a Lewis base: BH_3, Mg^2+, F^-, CH_3NH_2 Lewis acid Lewis base ...
According to the Bronsted-Lowry definition of an acid and base, an acid is a proton donor while a base is a proton acceptor. The conjugate acid-base pair is also defined by the Bronsted-Lowry. A conjugate base is formed when an acid loses...
Neutralization reactions occur when an acid and a base react, forming water from the hydrogen ion and hydroxide ion, and a salt. Neutralization reactions can be acidic, neutral, or basic in nature, depending on the strengths of the acid and base involved in ...
【题目】醋酸镍((CH3COO)2Ni]是一种重要的化工原料。一种以含镍废料(含NiS、Al2O3、FeO、CaO、SiO2)为原料,制取醋酸镍的工艺流程图如下: 相关离子生成氢氧化物的pH和相关物质的溶解性如下表: (1)粉碎含镍废料的作用___ (2)酸浸过程中,l molNiS失去6NA个电子,同时生成...
What is the [H3O+] of a buffer that consists of 0.35 M CH3CH2COONa and 0.15 M CH3CH2COOH? (Ka=1.3×10−5) Buffer Solution: A weak Bronsted-Lowry acid will reversibly transfer hydrogen ions (protons) to water molecules in an aqueous solution, result...
1 B). In addition, tunicamycin, DTT, l-azetidine-2-carboxylic acid (Azc), and brefeldin A (BFA) also induced an increase in the SERCA2b, but not the SERCA3, mRNA level (Fig. 1, A andB). Tunicamycin is an inhibitor of N-linked glycosylation (42). DTT perturbs the unique ...
Magnetic recording medium has a non-magnetic base and a magnetic coating contg. an oxo acid (I) with a hydrocarbon gp. or its salt and a fluorinated polyether (II). Pref. (I) is a hydrocarbon-sbustd. sulphate ester or hydrocarbon-sulphonic acid or salt. Suitable (I) are: RCOOM; ROC...
Using the Henderson-Hasselbalch equation, we can calculate the pH at the end point of the reaction, which is when the moles of the acid and base are equal. The pH at this point will be the end point pH. It is also important to consider the Kb value of NH3 in this calculation, as ...
下列电离方程式中,正确的是() A. CH3COOH = CH3COO-+ H+ B. KClO3K++ ClO3- C. NaOH = Na++ OH- D. NaHS
pH = 7,且c(CH3COO—) > c(Na+) > c(H+) = c(OH—) 3常温下将稀NaOH溶液和稀CH3COOH溶液混合,不可能出现的结果是() A. pH>7,且c(OH—)>c(Na+)> c(H+)>c(CH3COO—) B. pH>7,且c(Na+)+c(H+)=c(CH3COO—)+c(OH—) C. Phc(H+)>c(Na+)>c(OH—) D. pH=7,...