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Module 1: Velocidad de reacción

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El estado físico de los reactivos

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Chemistry - The physical state of the reactants

The physical state of the reactants

Gases generally react more rapidly than liquids or solids. Faster-moving
molecules (in the gas phase) are more likely to be involved in fruitful
collisions. For solid reactants particle size is an important factor. The
smaller the particle size for a particular mass of reactant, the greater
the overall surface area. This allows more area for, and a consequent
increase in the number of, fruitful collisions.

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