Water is a chemical substance which has the chemical formula H2O.
Chemical Substances that has the formula H2O is working for Air. Water was built from the beriktan kovale hirdrogen single with oxygen. At room temperature liquid water, and is the most widely used solvent for various substances melarutka so no wonder if the water is called the universal solvent.
HCl gas is called the marine acid air, while NaOH Through a chemical reaction, NaOH / KOH change the oil / fat into soap. This process is called Saponification. HAC with Ac - is an acid-base pair conjugation. H 3 O + with H 2 O is an acid-base pair conjugation.
Acid is a compound in solution can produce H + ions.
Basa is a compound in solution can produce OH-ions.
Example:
1) HCL (aq) ® H + (aq) + Cl-(aq)
2) NaOH (aq) ® Na + (aq) + OH-(aq)
Acids are proton donors, while bases are proton acceptors.
Example:
1) HAC (aq) + H2O (l) «H3O + (aq) + Ac-(aq)
an acid-base acid-2-2-one bases
Ac-HAC with an acid-base pair conjugation.
H3O + and H2O is an acid-base pair conjugation.
2) H2O (l) + NH3 (aq) «NH4 + (aq) + OH-(aq)
an acid-base acid-2-2-one bases
OH-H2O with an acid-base pair conjugation.
NH3 NH4 + with an acid-base pair conjugation.
In the above example can be seen that the water is as acidic (proton donor) and as a base (proton acceptor). Substances or ions or species like this is ampiprotik (amphoteric).
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Showing posts with label Acid. Show all posts
Showing posts with label Acid. Show all posts
Sulfuric acid, clorida acid, acid bromide, acid phosphate, acid iodide
Acid is one form of a compound that can conduct electricity / character while the alkaline electrolyte is one form of a compound that can not or well can conduct electricity, but power is very minimal hantarnya once, not as strong as conductivity compounds form acid
acids are compounds that generally have a pH <7 where and have the ability to deliver an electric current in accordance with their capabilities. acid which was divided into two
strong acid (sulfuric acid, clorida acid, acid bromide, acid phosphate, acid iodide) and weak acids (vinegar, acid cyanide, sulfide, etc.).
acid can neutralize a base named properties so that will form a neutral ph of ph = 7 acid can also be a red litmus paper blue (indicator acidity) if the base of a compound that has a ph> jgua seven bases are divided into two ie a strong base (classes IA and IIA) and weak base (IIIA - VIIA) also can neutralize a base level acidity. for example in a bath soap washing soap.
Acid-base chemistry is an important part of everyday life. Excess hydronium ions in the acidic nature gives them an attractive acid can react with metals and other materials.
HCl strong acid produced in your stomach to help digest food. At dilute concentrations, acid responsible for the sour taste of lemon, lime, vinegar and other substances. Bases are also very reactive, it was a strong base NaOH is used in many household cleaning agents like oven cleaner and clog the channel-remover. But how do we measure the concentration of acid or base?
Acidity (or alkalinity) of a solution is measured using the pH scale. PH scale in accordance with the hydronium ion concentration in the solution even if you take the exponent of the concentration of O 3 + H and remove negative marks, you have the pH of the solution. For example, in pure water hydronium ion concentration is 1 x 10 -7 M. Thus, the pH of pure water is 7.
The pH scale ranges from 0 to 14, where 7 is considered neutral ([H 3 O +] = [OH -]), below 7 is acidic and above 7 basic 7. The farther you are on a scale from pH, acid or base solution further. For example, a solution with pH = 1 have the hydronium ion concentration of 1 x 10 -1 M (0.1 M).
acids are compounds that generally have a pH <7 where and have the ability to deliver an electric current in accordance with their capabilities. acid which was divided into two
strong acid (sulfuric acid, clorida acid, acid bromide, acid phosphate, acid iodide) and weak acids (vinegar, acid cyanide, sulfide, etc.).
acid can neutralize a base named properties so that will form a neutral ph of ph = 7 acid can also be a red litmus paper blue (indicator acidity) if the base of a compound that has a ph> jgua seven bases are divided into two ie a strong base (classes IA and IIA) and weak base (IIIA - VIIA) also can neutralize a base level acidity. for example in a bath soap washing soap.
Acid-base chemistry is an important part of everyday life. Excess hydronium ions in the acidic nature gives them an attractive acid can react with metals and other materials.
HCl strong acid produced in your stomach to help digest food. At dilute concentrations, acid responsible for the sour taste of lemon, lime, vinegar and other substances. Bases are also very reactive, it was a strong base NaOH is used in many household cleaning agents like oven cleaner and clog the channel-remover. But how do we measure the concentration of acid or base?
Acidity (or alkalinity) of a solution is measured using the pH scale. PH scale in accordance with the hydronium ion concentration in the solution even if you take the exponent of the concentration of O 3 + H and remove negative marks, you have the pH of the solution. For example, in pure water hydronium ion concentration is 1 x 10 -7 M. Thus, the pH of pure water is 7.
The pH scale ranges from 0 to 14, where 7 is considered neutral ([H 3 O +] = [OH -]), below 7 is acidic and above 7 basic 7. The farther you are on a scale from pH, acid or base solution further. For example, a solution with pH = 1 have the hydronium ion concentration of 1 x 10 -1 M (0.1 M).
Items that are consumed within the country to not meet the health requirements?
Salt is one importance requirement in the daily life, which is the basic commodity is seawater (brine). According to the quality aspect, domestic product especially for consumption requirement has not fulfilled the regulation for healthy yet, especially the one produced by salt farmer.
Sea water (brine) is held in the influent reservoir then pumped to the stabilizer tank, accommodated in the reservoir, finally flowed to the resin column. In this column used 1000 grams type-1 Dowex strong acid cation resin. The OH- ion in this resin can be used to tie Cl-, SO4-2 and HCO3- ions on the sea water (brine).
Seawater (brine) is out from resin column is accommodated in the influent reservoir, taken every hour during five hour, and then the result obtained analyzed. Variable is operated in this research is contact time of sea water (brine) with resin and current velocity. The best result decreasing content of Cl- occur on the 25 litres/hour current velocity, after five hour it was obtained 1,450% with selectivity coefficient -2,940.
Decreasing content of SO4-2 occur on the 10 litters/hour current velocity, in the end, it was obtained 7,267261% with selectivity coefficient -4,745. While decreasing contend of HCO3- occur on the 15 litres/ hour current velocity, later than five hour it was obtained 39,92056% with selectivity coefficient -2,373.
Sea water (brine) is held in the influent reservoir then pumped to the stabilizer tank, accommodated in the reservoir, finally flowed to the resin column. In this column used 1000 grams type-1 Dowex strong acid cation resin. The OH- ion in this resin can be used to tie Cl-, SO4-2 and HCO3- ions on the sea water (brine).
Seawater (brine) is out from resin column is accommodated in the influent reservoir, taken every hour during five hour, and then the result obtained analyzed. Variable is operated in this research is contact time of sea water (brine) with resin and current velocity. The best result decreasing content of Cl- occur on the 25 litres/hour current velocity, after five hour it was obtained 1,450% with selectivity coefficient -2,940.
Decreasing content of SO4-2 occur on the 10 litters/hour current velocity, in the end, it was obtained 7,267261% with selectivity coefficient -4,745. While decreasing contend of HCO3- occur on the 15 litres/ hour current velocity, later than five hour it was obtained 39,92056% with selectivity coefficient -2,373.
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