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A device used to measure the densities of liquids and solutions.

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Hydrolysis

The reaction of a substance with water or its ions.

End Point

The point at which an indicator changes colour and a titration is stopped.

Photon

A packet of light or electromagnetic radiation, also called quantum of light.

 

Compressed Gas

A gas or mixture of gases having, in a container an absolute pressure exceeding 40 psi at 21.1°C (70°F)

Endothermic

Describes processes that absorb heat energy.

xanthate

A salt or ester of xanthic acid. Many xanthates have a yellow color. Xanthates are used as flotation agents in mineral processing.

Hydrogen Bond

A fairly strong dipole-dipole interaction (but still considerably weaker than the covalent or ionic bonds) between molecules containing hydrogen directly bonded to a small, highly electronegative atom, such as N, O, or F.

Ionic Compounds

Compounds containing predominantly ionic bonding.

Electrochemistry

Study of chemical changes produced by electrical current and the production of electricity by chemical reactions.

Detergent

A soap-like emulsifer that contains a sulfate, SO3 or a phosphate group instead of a carboxylate group.