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Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

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Aufbau ('building up') Principle

Describes the order in which electrons fill orbitals in atoms.

Free Energy Change

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

Standard Reaction

A reaction in which the numbers of moles of reactants shown in the balanced equation, all in their standard states, are completely converted to the numbers of moles of products shown in the balanced equation, also sall at their standard state.

Associated Ions

Short-lived species formed by the collision of dissolved ions of opposite charges.

Crystalline Solid

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

Essential Oil

A plant extract that has a distinctive odour or flavour.

High Spin Complex

Crystal field designation for an outer orbital complex, all t2g and eg orbitals are singly occupied before any pairing occurs.

Dumas Method

A method used to determine the molecular weights of volatile liquids.

Ideal Gas

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.

 

20 interesting chemistry facts

20 interesting chemistry facts.