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

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Background Radiation

Ratiation extraneous to an experiment. Usually the low-level natural radiation form cosmic rays and trace radioactive substances present in our environment.

Capillary

A tube having a very small inside diameter.

Chemical Change

A change in which one or more new substances are formed.

Boiling Point Elevation

The increase in the boiling point of a solvent caused by the dissolution of a nonvolatile solute.

Turning iron nail into copper nail

This simple chemical experiment shows the so-called process of copper plating of metal products. Copper has the ability to deposit on a metal surface.

Percent Composition

The mass percent of each element in a compound.

Cathodic Protection

Protection of a metal (making ir a cathode) against corrosion by attaching it to a sacrifical anode of a more easily oxidized metal.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.

Integrated Rate Equation

An equation giving the concentration of a reactant remaining after a specified time, has different mathematical form for different orders of reactants.

Partial Pressure

The pressure exerted by one gas in a mixture of gases.