Definition of base

(1): You can build a height from one side or one side of the geometry (see 1a 5a (5)), from which you can build height (see height 1c (1)), especially:

Biology: A part of a body organ connected to another more central structure of the organism.

b: Things that certainly provide support (as a group of people) (such as companies or politicians' candidates) - usually a singular

But I believe that this is very painful for many Democrats and can be used to motivate their foundation.

(1): Exponentiated number (such as 5 in 56.44 or 57) (see number 5a in 1); especially when promoted to a number equal to the logarithm of the number, the number itself increases.

(2): For a given writing system given a number equal to the number of units at a given number position (see 1 bit 8), number 1 must be given at the next higher position; and: Digital system used

: Do or do all things to include or include: Meet all requirements and requirements

Smooth menu covers all the basics - Pork or duck breast meat, complementary sauce and delicious chicken grill

In other words, we need to cover each base. Since we are waiting for the store to open on the business day of the store, we will remember something soon. So we can urgently buy what we need.

In your e-mail, for your convenience, you will email your resume and letter, but let the company know that the original document will arrive through the postal service. In this way, you can cover all bases

However, the definition of Bronsted's base is completely different from the definition of Arrhenius. A brown base is defined as any substance that accepts hydrogen ions. Basically, the base is the opposite of acid. As mentioned above, NaOH and KOH are still considered to be bases, as they can form H + from the acid and form water. However, the definition of Brønsted - Lowry also explains why OH - free materials can behave like alkali. For example, sodium bicarbonate (NaHCO 3) functions as a base by receiving hydrogen ions from acid as follows.

In 1923, chemists Johannes Nicolaus Brønsted and Thomas Martin Lowry independently developed definitions of acid and base based on compounds that donate or accept protons (H + ions). In this theory acid is defined as a proton donor and base as a proton acceptor. At the same time, the compound as Bronsted-Lori acid and base is called amphoteric. This further strengthens the Arrhenius definition because substances consisting of hydrogen (H +) or hydroxide (OH -) ions no longer need to be classified as acids or bases.

According to the general definition of Brønstead - Lowry, acids are chemical substances that can provide protons (H +), and bases are substances that can accept (obtain) protons. (A subset of the definition of Bronsted - Lowry solution is defined by Arrhenius, which defines the acid as a proton generator and the base as a hydroxide (OH -) generator.) Consequently, Of the surface. After the proton, the base can then get another proton to return the acid. In solution, these two substances (acid and its conjugate base) exist in equilibrium.