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A form of energy that flows between two samples of matter because of their differences in temperature.

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Mass Number

The sum of the numbers of protons and neutrons in an atom, an integer.

London Forces

Very weak and very short-range attractive forces between short-lived temporary (induced) dipoles, also called dispersion Forces.

Mechanism

The sequence of steps by which reactants are converted into products.

Heat

A form of energy that flows between two samples of matter because of their differences in temperature.

Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

Emission Spectrum

Spectrum associated with emission of electromagnetic radiation by atoms (or other species) resulting from electronic transitions from higher to lower energy states.

 

Oil

Liquid triester of glycerol and unsaturated fatty acids.

Reversible Reaction

Reactions that do not go to completion and occur in both the forward and reverse direction.

Transition State Theory

Theory of reaction rates that states that reactants pass through high-energy transition states before forming products.

Condensation

Liquefaction of vapor.