Chemistry Works: Chemistry Dictionary ( Definitions )

Showing posts with label Chemistry Dictionary ( Definitions ). Show all posts

Tuesday, April 28, 2015

Solidification

Substance changes from a liquid phase to solid phase when its temperature is lowered below its freezing point. it is also known as freezing.

Saponification

Triglycerides reacted with sodium or potassium hydroxide to produce fatty acid salt and glycerol.

Rusting of Iron

Iron combine with oxygen in the presence of water molecule to form a iron oxides. (rust).

Combustion

Energetic molecules (hydrocarbons) combine with oxygen to produce carbon-dioxide and water.

Aerobic Respiration

Respiration helps to breaks down glucose into carbon-dioxide and water.

Photosynthesis

In the presence of sunlight carbon-dioxide and water molecule reacts to form a glucose (food) and oxygen.

Izomerization

In this process compounds are transformed into any of its isomeric forms. ( same atom but different molecular rearrangements).

Acid-Base Reaction

Lewis Definition:

Acids are electron pair acceptors. ( lewis acid ).

Bases are electron pair donors. ( lewia base ).

In double displacement reaction one of the part of reactant is replaced by another part of reactant. The two reactant replaces to forming two new compounds or product. It is also known as Metathesis reaction.

Single Displacement Reaction

One element replaced from a compound by another element. It is also known as substitution or single replacement reaction.

Decomposition Reaction

In decomposition reaction a compound is broken into elements or simpler compounds. It is also known as Analysis.

Synthesis Reaction

A chemical reaction of two or more substances react to give a single product. It is also known as combination.

Wednesday, March 11, 2015

Butyric Acid

Butyric acid molecular is C₄H₈O_2._{It is a carboxylic acid and unpleasant smell. It is also known as butanoic acid and butyrates.}
_{Sources : Goat, Sheep, Buffalo and milk.}

Stearic Acid

Stearic acid molecular formula is C₁₈H₃₆O_{2. It is a waxy solid. Stearic acid is a saturated fatty acid and also it is a colorless and odorless acid.}
_{Source: Animal fat And vegetable oil.}

Lactic Acid

Lactic acid molecular formula is C₃H₆O_{3. It is otherwise known as milk acid. Lactic acid has two optical isomers. One is known as L (+) Lactic acid Or (S) Lactic acid and its mirror image is D (-) Lactic acid or (R) lactic acid. Lactic acid is chiral. It is a syrupy carboxylic acid miscible with water or ethanol. Synthetic form of lactic acid used as a preservative in textile and pharmaceuticals.}
_{Source :}
_{Dairy product, Soy sauce, Pickled vegetables.}

Uric Acid

Uric acid molecular formula is C₅H₄N₄O_{3. Uric acid is a white odorless,tasteless, crystalline product of protein metabolism, present in the blood and urine. It is hetero cyclic compound. High blood concentration of uric acid can lead to gout.}
_{Source :}
_{Lamb, Beef, Pork, Spinach, Cauliflower etc.}

Acetic Acid

Acetic acid molecular formula is C₂H₄O_{2. It is a weak organic acid. It gives source taste and pungent smell. It is otherwise known ethanoic acid or methane carboxylic acid.}
_{Source : Vinegar.}

Cholic Acid

Cholic acid molecular formula is C₂₄H₄₀O_{5. It is a white crystalline substance. It is insoluble in water. Chloic acid is the important human bile acid. ( Bile acids are steroid acids found in the bile of mammals.}

Citric Acid

Citric acid molecular formula is C₆H₈O₇ . It is a weak organic acid. It gives source taste to food and drinks. And also it is used as a natural preservative. It is also known as 3-carboxy-3-hydroxy pentanedioic acid. It is a white crystalline powder at room temperature.

Source:
Lemon, Berries, Tomatoes, pineapple.

Bleaching Powder

It's chemical name is calcium hypochlorite. Chemical formula is Ca(ClO)_{2. It is otherwise known as bleaching powder or calcium oxychloride. It is mostly used for water treatment as a bleaching agent.}