Because over time the C02 in the air will react with the lime water (Calcium Hydroxide) to produce a white insoluble calcium carbonate precipitate (hence when you bubble C02 through it goes cloudy).
The reaction is like so:
Ca(OH)2 + CO2 → CaCO3 + H2O
condensable gases condensable gases
Solid sodium hydroxide and aluminum powder do not react when stored in a sealed container because they require moisture to initiate a chemical reaction. In the absence of moisture, the two substances remain stable and do not interact with each other.
It is not recommended to store sodium hydroxide in an Erlenmeyer flask because the strong base can react with the glass, causing potential damage or breakage of the flask. It is better to store sodium hydroxide in a container made of a material that is compatible with strong bases, such as high-density polyethylene or glass specifically designed for chemical storage.
Cesium has to be stored in totally oxygen and moisture free atmosphere. This is usually done by storing it in capsules filled with argon or other noble gases. These capsules are usually water soluble and hence the cesium stored in them can be used for reaction with other solutions.
Sealing the lid when heating lavender flowers in a container helps to trap and maintain the essential oils and fragrances within the container. This ensures that the lavender scent is not lost during the heating process, allowing for a more concentrated and aromatic outcome.
They might explode!
sealed truck or container
condensable gases condensable gases
Solid sodium hydroxide and aluminum powder do not react when stored in a sealed container because they require moisture to initiate a chemical reaction. In the absence of moisture, the two substances remain stable and do not interact with each other.
Salt must be stored in sealed bottles.
Sodium chloride must be stored in tight sealed bottles.
Salt must be stored in tight sealed bottles.
A container that has growing bacteria must be closed and/or sealed to prevent contamination by other bacteria.
It is not recommended to store sodium hydroxide in an Erlenmeyer flask because the strong base can react with the glass, causing potential damage or breakage of the flask. It is better to store sodium hydroxide in a container made of a material that is compatible with strong bases, such as high-density polyethylene or glass specifically designed for chemical storage.
condensable gases condensable gases
Phosphorus can be stored in a cool, dry place away from sources of ignition and incompatible materials. It should be kept in a tightly sealed container to prevent exposure to air and moisture, which can lead to oxidation and possible hazards. Special precautions should be taken due to its flammability and reactivity.
Yes, you can take your coffee on the plane with you, but it must be in a sealed container and comply with the airline's liquid restrictions.