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General chemistry

Contributors in Chimie générale

General chemistry

membrane semi permeable

Chimie; Chimie générale

A membrane that allows some but not all of the components in a mixture to pass through it. Semipermeable membranes are used in dialysis .

theorie atomique

Chimie; Chimie générale

An explanation of chemical properties and processes that assumes that tiny particles called atoms are the ultimate building blocks of matter.

pile a combustible

Chimie; Chimie générale

A device that converts the chemical energy obtained from a redox reaction directly into electrical energy.

rendement en pourcentage

Chimie; Chimie générale

Percent yield equals experimental yield divided by theoretical yield times 100%.

cellule photovoltaique

Chimie; Chimie générale

An electrochemical cell that spontaneously generates electrical energy. In a voltaic cell, the value of Gibbs free energy is below 0.

nombre de coordination

Chimie; Chimie générale

The number of bonds formed by the central atom in a metal-ligand complex.

cetone

Chimie; Chimie générale

An organic compound that contains a carbonyl group. For example, methyl ethyl ketone is CH3COCH2CH3_ is used in some adhesives.

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