El mol

Nombre: Juan Jesús González Gaitán
Materia: Química
Grupo: 3ºB
Turno: Matutino
Fecha: 24/Febrero/2010
No. de lista: #19
Proyecto #1

Introducción
El mol (símbolo: mol) es la unidad con que se midela cantidad de sustancia, una de las siete magnitudes físicas fundamentales del Sistema Internacional de Unidades.
Dada cualquier sustancia (elemento químico, compuesto o material) y considerando a lavez un cierto tipo de entidades elementales que la componen, se define como un mol a la cantidad de esa sustancia que contiene tantas entidades elementales del tipo considerado, como átomos hay en 12gramos de carbono-12. Esta definición no aclara a qué se refiere con cantidad de sustancia y su interpretación es motivo de debates,[1] aunque normalmente se da por hecho que se refiere al número deentidades.
El número de unidades elementales –átomos, moléculas, iones, electrones, radicales u otras partículas o grupos específicos de éstas– existentes en un mol de sustancia es, por definición,una constante que no depende del material ni del tipo de partícula considerado. Esta cantidad es llamada número de Avogadro (NA)[2] y equivale a:
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Ecuaciones Químicas
| Reactivos | Productos |Ecuación Química | | |
Masa Molecular | | |
Masa Molar | | |
| Reactivos | Productos |
Ecuación Química | | |
Masa Molecular | | |
Masa Molar | | |
| Reactivos | Productos |Ecuación Química | | |
Masa Molecular | | |
Masa Molar | | |
| Reactivos | Productos |
Ecuación Química | | |
Masa Molecular | | |
Masa Molar | | |
| Reactivos | Productos |
EcuaciónQuímica | | |
Masa Molecular | | |
Masa Molar | | |

Nombre: Juan Jesús González Gaitán
Materia: Química
Grupo: 3ºB
Turno: Matutino
Fecha: 24/Febrero/2010
No. de lista: #19
Proyecto #2Introducción
El estudio de las reacciones químicas desde un punto de vista energético mejora la descripción de los procesos químicos. La entalpía o contenido energético cambia al pasar de los reactivos a…

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