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Calcium Chloride Anhydrous calcium chloride is a very hygroscopic compound,
meaning that it readily absorbs water. It can even dissolve, in fact, in the water it absorbs from
the surrounding atmosphere. Calcium chloride pellets in a drying tube act as desiccants or drying
agents, removing moisture from the air that flows through them. Features A calcium chloride
drying tube contains calcium chloride pellets at the top and bottom, held in place by plugs made
of glass wool. As air flows through the wool and the calcium chloride, it is de-humidified so that
the air entering the reaction chamber contains little or no moisture. Significance A reaction
involving gases could potentially shatter a sealed vessel; it may not be desirable, however, to
allow air moisture to enter the chamber. A drying tube relieves pressure inside the reaction vessel
by allowing gases to escape while preventing moisture from contaminating the reactants.
Solution
Calcium Chloride Anhydrous calcium chloride is a very hygroscopic compound,
meaning that it readily absorbs water. It can even dissolve, in fact, in the water it absorbs from
the surrounding atmosphere. Calcium chloride pellets in a drying tube act as desiccants or drying
agents, removing moisture from the air that flows through them. Features A calcium chloride
drying tube contains calcium chloride pellets at the top and bottom, held in place by plugs made
of glass wool. As air flows through the wool and the calcium chloride, it is de-humidified so that
the air entering the reaction chamber contains little or no moisture. Significance A reaction
involving gases could potentially shatter a sealed vessel; it may not be desirable, however, to
allow air moisture to enter the chamber. A drying tube relieves pressure inside the reaction vessel
by allowing gases to escape while preventing moisture from contaminating the reactants.

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Calcium Chloride Anhydrous calcium chloride is a .pdf

  • 1. Calcium Chloride Anhydrous calcium chloride is a very hygroscopic compound, meaning that it readily absorbs water. It can even dissolve, in fact, in the water it absorbs from the surrounding atmosphere. Calcium chloride pellets in a drying tube act as desiccants or drying agents, removing moisture from the air that flows through them. Features A calcium chloride drying tube contains calcium chloride pellets at the top and bottom, held in place by plugs made of glass wool. As air flows through the wool and the calcium chloride, it is de-humidified so that the air entering the reaction chamber contains little or no moisture. Significance A reaction involving gases could potentially shatter a sealed vessel; it may not be desirable, however, to allow air moisture to enter the chamber. A drying tube relieves pressure inside the reaction vessel by allowing gases to escape while preventing moisture from contaminating the reactants. Solution Calcium Chloride Anhydrous calcium chloride is a very hygroscopic compound, meaning that it readily absorbs water. It can even dissolve, in fact, in the water it absorbs from the surrounding atmosphere. Calcium chloride pellets in a drying tube act as desiccants or drying agents, removing moisture from the air that flows through them. Features A calcium chloride drying tube contains calcium chloride pellets at the top and bottom, held in place by plugs made of glass wool. As air flows through the wool and the calcium chloride, it is de-humidified so that the air entering the reaction chamber contains little or no moisture. Significance A reaction involving gases could potentially shatter a sealed vessel; it may not be desirable, however, to allow air moisture to enter the chamber. A drying tube relieves pressure inside the reaction vessel by allowing gases to escape while preventing moisture from contaminating the reactants.