2015年4月17日 · The Brønsted–Lowry theory is an acid–base reaction theory. The fundamental concept of this theory is that when an acid and a base react with each other, the acid forms its conjugate base, and the base forms its conjugate acid by exchange of a proton. So the anwer could only be the first pair: NH_3 and ammonium catione.

2015年4月15日 · The answer is A) HBr. Since all compounds exhibit weak van der Waals interactions, the criterium to go by will be the presence of dipole-dipole interactions. Dipole-dipole interactions take place in polar molecules, i.e. molecules that have a permanent dipole moment. As a result, your compound must be polar and not form hydrogen bonds. So, starting with hydrobromic acid, HBr. The molecule will ...

2018年2月18日 · Well look at defining reaction.... "Acid + Base "rightleftharpoons" Conjugate base + conjugate acid" And so we got.... underbrace(NH_3(aq))_"base" + H_2O(l ...

2016年7月16日 · The potassium bromide/hydrogen bromide mix is not a buffer. A buffer solution is a mixture of a weak acid and its conjugate base that acts to moderate gross changes in pH. Hydrogen bromide is not a weak acid, and would give stoichiometric H_3O^+ in aqueous solution.

2015年12月23日 · By definition a Lewis acid is an electron-pair acceptor, and a Lewis-base is an electron pair donor. The classifications of ammonia and boron trichloride are clear. Ammonia has a formal lone pair of electrons on the nitrogen atom. This can donate to Lewis acids (including boron trichloride) in a Lewis base/Lewis acid interaction. On the other hand, the boron atom in boron trichloride has a ...

2017年6月1日 · Of these, what is the order from highest pH to lowest pH? #LiOH(aq)#, #HBrO(aq)#, #Sr(OH)_2(aq)#, #NH_3(aq)#, and #HI(aq)#

2015年11月15日 · How can I complete the following equation: #CH_3CH_2NH-CH_3 + HBr ->?# Which definition for acids and bases is the right one: Lewis or Brønsted? How does Lewis define acids and bases?

2013年12月27日 · The HBr is a Brønsted acid, and the water is a Brønsted base. In the Brønsted-Lowry theory, a conjugate base is whatever is left over after the proton has left. Thus, HBr lost a proton to become Br⁻, so Br⁻ is the conjugate base of HBr. A conjugate base always has one less H atom and one more negative charge than the original acid.

2017年3月6日 · A buffer solution is formed when appreciable quantities of a weak acid and its conjugate base are mixed together in aqueous solution.

2018年2月19日 · What is the concentration of #[OH^-]# in a solution of 0,025 M NH3? Chemistry. 1 Answer anor277