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How do you test the effect of removing heat from a gas that is stored in a sealed container?
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How long are urine samples good for testing?
If properly sealed and stored, urine samples are good for testing up to 24 hours after the sample given. The urine sample should be in a sterile container within a sealed plastic bag and stored in a refrigerator.
Do metals need to be stored in sealed containers for safety?
There are many different kinds of metals, and they have different storage requirements. Mercury should be stored in a sealed container because it is a toxic liquid, and should not be allowed to spill accidentally; there could also be a very small amount of evaporation. Some metals such as sodium, lithium, or potassium (in their pure, metallic state) are highly reactive and need to be stored not only in a sealed container, but under oil - not water - because they react violently with water or with air. Many familiar metals such as iron, lead, zinc, tin, copper, gold, aluminum, etc., are quite stable and do not need to be stored in containers, sealed or otherwise - in fact, many containers are made from these metals.
How do you prevent pyrophoric oxidation?
Usually this requires isolating the susbtance from the atmosphere. This usually entails keeping the substance under an under atmosphere, such as in a sealed container of argon. White phosphorus, unlike many other pyrophoric substances, may be stored underwater.
When explosives are stored what situation requires posting of fire symbols?
where licensed explosives are stored in a locker or similar container
Why are gases oftentimes stored on deck?
During transportation, gases are often stored on deck because they keep on moving while in their container. Sudden movement of gases in a container can lead to unexpected tilting of a ship.
How could a student test the effect of removing heat from a gas that is stored in a sealed container?
Cool the gas in a refrigerator
Does synthetic oil deteriate?
Not is it is stored in a sealed container.
How does oil expire?
If stored in a sealed container oil can be stored for 30 years.
Does oil expires?
If stored in a sealed container oil can be stored for 30 years.
What kind of container should leftover cherry pie be stored in?
a sealed container or air tight clingfilm
Can sodium hydroxide be stored in a Erlenmeyer flask?
In a tightly sealed container, preferably one that doesn't have a lot of moisture in the air. The container should be a plastic container as glass container can react with sodium hydroxide and melt.
Where should amaranth be stored?
Amaranth should be stored in a tightly sealed container in a cool, dry, dark location.
How long can urine be stored for an alcohol test?
In a sealed, refrigerated container, you could store it for months.
Oily rags must be stored in a tightly sealed container because they might?
They might explode!
How do you store the sandwich to avoid the spoil?
Sandwiches should be stored in a tightly sealed container or plastic baggy in the refrigerator.
How should broccoli be stored?
Place broccoli in a sealed container, removing as much of the air from the container as possible. Store in the refrigerator where it will keep for 10 days. Do not wash broccoli before storing, because exposure to water encourages spoilage. Partial heads of broccoli should be placed in a well-sealed container and refrigerated. Because the vitamin C content starts to quickly degrade once broccoli has been cut, it is best to use it within a couple of days. Broccoli that has been blanched and then frozen can keep for up to a year. Leftover cooked broccoli should be placed in tightly covered container and stored in the refrigerator where it will keep for a few days.
Why do the solid sodium hydroxide and aluminium powder not react when stored in a sealed container?
Sodium hydroxide must be dissociated in water.
