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Propiedades del agua

Agua

QuestionAnswer
Molécula polarizada formada por un enlace covalente polar
4 puentes de hidrógeno puede llegar a formarse los 4 en estado sólido (hielo)
Cohesión Puentes de H mantienen las moléculas de agua unidas entre si
Adhesión Moléculas de agua cargadas eléctricamente se pegan o adhieren a otras sustancias que tengan carga electrica
El agua se pega a nuestra piel Adhesión
Tensión superficial Se relaciona con la cohesión,moléculas de agua unidas entre si forman una delgada capa que permite que objetos y organismos floten en el agua
Capilaridad Capacidad del agua de moverse por espacios reducidos,debido a que las moléculas unidas entre sí se halan
Alto calor específico (1 cal,1g/1ºC),el agua necesita mucha energia para aumentar la temperatura
Alta temperatura de evaporación (580kcal/g),necesita mucha energia,que la obtiene del medio donde esta y está a su vez enfria el ambiente
Qué sucede cuando sudas Se enfria el ambiente
Solvente universal Toda sustancia cargada electricamente como los iones y las moléculas polares,que se disuelven en agua
3 estados de la materia Sólido,líquido y gaseoso
Expande al solidificar Al bajar la temp. las moléculas de H2O se reorganizan para formar los 4 puentes de H,este arreglo ocupa más espacio que en estado líquido.
Disociación A veces el H+ de una molécula de agua es atraido por otra molécula de agua formando los iones de hidronio (H30+) y el hidróxido (OH-)
Created by: arolaga
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