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Molecular orbital resulting from head-on overlap of two atomic orbitals.

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Half-Cell

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

Radioactive Dating

Method of dating ancient objects by determining the ratio of amounts of mother and daughter nuclides present in an object and relating the ratio to the object?s age via half-life calculations.

Hydrogen-Oxygen Fuel Cell

Fuel cell in which hydrogen is the fuel (reducing agent) and oxygen is the oxidizing agent.

 

Oil

Liquid triester of glycerol and unsaturated fatty acids.

Standard Molar Volume

The volume occupied by one mole of an ideal gas under standard conditions, 22.4liters.

Adsorption

Adhesion of a species onto the surfaces of particles.

Distilland

The material in a distillation apparatus that is to be distilled.

Salt and its use in everyday life

Cooking salt is a product that is available in every kitchen, and it’s not as simple as it seems. The history of this product shows that it was valued like gold.

Partial Pressure

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

xylan

The pentosan occurring in woody tissue that hydrolyzes to xylose: used as a source of furfural.