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A technique for measuring the temperature, direction, and magnitude of thermal transitions in a sample material by heating/cooling and comparing the amount of energy required to maintain its rate of temperature increase or decrease with an inert reference material under similar conditions.

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Polymerization

The combination of many small molecules to form large molecules.

yttrium metal

Any of a subgroup of rare-earth elements, of which the cerium and terbium metals comprise the other two subgroups.

Group

A vertical column in the periodic table, also called a family.

Ternary Compound

A compound consisting of three elements, may be ionic or covalent.

Nonelectrolyte

A substance whose aqueous solutions do not conduct electricity.

Freezing Point Depression

The decrease in the freezing point of a solvent caused by the presence of a solute.ing Point

A brief history of dyeing fabrics

 Dyeing fabrics is giving the fibers a homogeneous color that has a certain degree of strength. The methods of dyeing are very diverse, depending on the properties of the dyes and the dyed fibers.

Two chemistry egg tricks

The French have a saying: "You cannot cook an omelet without breaking eggs."Chemists hearing this proverb totally disagree. There is nothing easier than cleaning an egg without breaking its shell.
Probably our readers have already guessed how to do this, as it’s known that the hard shell of the egg is carbon dioxide, like chalk and marble.

Avogadro's Law

At the same temperature and pressure, equal volumes of all gases contain the same number of molecules.

Joule

A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie.