Acid-base reaction theories pH Self-ionization of water Buffer solutions Systematic naming Electrochemistry Acids: It has been suggested that strong acid be merged into this article or section. ... It has been suggested that strong base be merged into this article or section. ... An acid-base reaction is a chemical reaction between an acid and a base. ... The correct title of this article is pH. The initial letter is capitalized due to technical restrictions. ... The self-ionization of water is the chemical reaction in which two water molecules react to produce a hydronium (H3O+) and a hydroxide ion (OH-): The reaction is also known as the autoionization or autodissociation of water. ... Buffer solutions are solutions which resist change in hydronium ion concentration (and consequent pH) upon addition of small amounts of acid or base, or upon dilution. ... There are millions of possible objects that can be described in science, too many to create common names for every one. ... English chemists John Daniell (left) and Michael Faraday (right), both credited to be founders of electrochemistry as known today. ... It has been suggested that strong acid be merged into this article or section. ...
Bases: A strong acid is an acid that dissociates completely in an aqueous solution, or in other terms, with a pKa < -1. ... It has been suggested that strong base be merged into this article or section. ...
A weak acid is an acid that does not fully ionize in solution; that is, if the acid was represented by the general formula HA, then in aqueous solution a significant amount of undissolved HA still remains. It has been suggested that this article or section be merged into base. ... In chemistry, a weak base is a chemical base that does not ionize fully in an aqueous solution. ... It has been suggested that strong acid be merged into this article or section. ... ... Dissolving table salt in water In chemistry, a solution is a homogeneous mixture composed of one or more substances, known as solutes, dissolved in another substance, known as a solvent. ...
The equilibrium concentrations of reactants and products are related by the Acidity constant expression, (Ka): ...
The greater the value of Ka, the more the formation of H+ is favored, and the lower the pH of the solution. The Ka of weak acids varies between 1.8×10-16 and 55.5. Acids with a Ka less than 1.8×10-16 are weaker acids than water. Acids with a Ka of greater than 55.5 are strong acids and almost totally dissociate when dissolved in water. The correct title of this article is pH. The initial letter is capitalized due to technical restrictions. ...
When the acid in our stomach flows back into the food pipe, also called as the esophagus (the pipe through which food travels from our mouth to the stomach), it causes the burning sensation.
During Acid Reflux this valve does not close properly, allowing the acid and contents of the stomach to enter the food pipe at inappropriate times.
Pregnant women are quite prone to acid reflux due to the elevated hormone levels in the blood as well as due to the growing baby that increases the pressure in the abdominal area.
![mathrm{ K_a, =, frac {[H^+,][A^-,]}{[HA]} }](http://upload.wikimedia.org/math/e/1/1/e1160cb29e6e647fa04612aee2af4f35.png)
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