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100% times the actual yield divided by theoretical yield.

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Hydrolysis

The reaction of a substance with water or its ions.

Lewis Base

Any species that can make available a share in an electron pair.

Nuclear Binding Energy

Energy equivalent of the mass deficiency, energy released in the formation of an atom from the subatomic particles.

 

Third Law of Thermodynamics

The entropy of a hypothetical pure, perfect, crystalline sustance at absolute zero temperature is zero.

Hydrogen

Discovered : by Henry Cavendish in 1766.
Isolated in London, UK.
Origin : The name is derived from the Greek ‘hydro genes’, meaning water forming.
Description :A colourless, odourless gas that burns and can form an explosive mixture with air. It is currently manufactured from methane gas, but is also produced by the electrolysis of water and aqueous salts. The gas is used to make such key materials as ammonia, cyclohexane and methanol, which are intermediates in the production of fertilisers, plastics and pharmaceuticals. Some see hydrogen gas as the clean fuel of the future - generated from water and returning to water when it is oxidised. Hydrogen-powered fuel cells are increasingly being seen as pollution-free sources of energy.

Distillate

The material in a distillation apparatus that is collected in the receiver.

 

Equation of State

An equation that describes the behavior of matter in a given state, the van der Waals equation describes the behavior of the gaseous state.

Saccharic

of or derived from saccharin or a saccharine substance.

 

Reaction Ratio

The relative amounts of reactants and products involved in a reaction, maybe the ratio of moles. millimoles, or masses.

 

Resonance

The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion.