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1322193
El mechero
Description
Practica sobre el mechero
Mind Map by
duquenvian
, updated more than 1 year ago
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Created by
duquenvian
over 9 years ago
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Resource summary
El mechero
Tres tipos de mecheros
El bunsen
El mecker
El tirril
Sirve para mezclar gas y aire
Gas como el metano, butáno o propano
Aire como oxigeno y nitrogeno
Regula la cantidad de aire como de gas que entran al quemador para que la eficiencia de la combustión sea alta
La temperatura que alcanza la zona mas caliente es de 2000 grados C
Reacción química que ocurre es
Propano+Oxígeno---> Dioxido de carbono+Agua+Calor
El calor liberado de esta reacción es de 488.53 Kcal/Mol
Valor que se conoce como entalpia de combustión
Partes del mechero
Base
Tornillo que ajusta la entrada de gas
Entrada de gas
Collar giratorio, que controla la entrada de aire
Tubo o cámara de mezcla
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