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The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.

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Free Energy Change

The indicator of spontaneity of a process at constnt T and P. If delta-G is negative, the process is spontaneous.

Osmosis

The process by which solvent molecules pass through a semipermable membrane from a dilute solution into a more concentrated solution.

 

Heteronuclear

Consisting of different elements.

Creating Malachite egg

One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but effective and visual, and as a result we will get something beautiful.

Radical

An atom or group of atoms that contains one or more unpaired electrons (usually very reactive species)

Half-Cell

Compartment in which the oxidation or reduction half-reaction occurs in a voltaic cell.

Structural Isomers

Compounds that contain the same number of the same kinds of atoms in different geometric arrangements.

Percent Purity

The percent of a specified compound or element in an impure sample.

Crystalline Solid

A solid characterized by a regular, ordered arrangement of particles.

Dosimeter

A small, calibrated electroscope worn by laboratory personnel and designated to detect and measure incident ionizing radiation or chemical exposure.