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Ammonium chloride appears to sublime but in this process solid NH4Cl actually (chemical) decomposition into ammonia and hydrogen chloride gas is involved. NH4Clsolid → NH3,gas + HCl,gas
Ammonium chloride only likes to be a sublimable solid (one which changes from the solid state to gaseous state without passing through the intermediate liquid state)
it sublimes at room temperature ie 25 degree centigrade thus it evaporates,
and disappears when kept open.
A real example of (pure physical) sublimation is Iodine, I2,sol → I2,gas
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When anhydrous calcium chloride is kept in open air it forms an aqueous solution why?
CaCl2 is a hygroscopic substance that, if left open with oxygen, will absorb all the H2O from the atmosphere.
What happens if acetone is kept open?
the acetone inside the bottle will disappear (acetone-carbon dioxide (co2)) or (liquid to gas)-(evaporation also known as sumblimation)
What happens to cobalt chloride paper when its left in open air?
it dissolves its self it Sharon's
2 Why is it wrong to leave a bottle of anhydrous sodium sulphate or calcium chloride open?
Because they are highly hygroscopic compounds and absorb moisture from air.
Why iron rod loos its shiny and rusted when in kept in open air?
as oxide of iron is formed on the nail in contact with the environment
What is the observations on decomposition of ammonium chloride in an open container?
Ammonium chloride appears to sublime but in this process solid NH4Cl actually (chemical) decomposition into ammonia and hydrogen chloride gas is involved. NH4Clsolid → NH3,gas + HCl,gas
How do you separate ammonium chloride from lead chloride?
They are simply separated by Sublimation process , heat the mixture in an open container and put a large inverted funnel on container the Ammonium chloride becomes sublimed and its white crystals becomes deposited on the walls of funnel leaving the Lead chloride in container.
When anhydrous calcium chloride is kept in open air it forms an aqueous solution why?
CaCl2 is a hygroscopic substance that, if left open with oxygen, will absorb all the H2O from the atmosphere.
What happens if acetone is kept open?
the acetone inside the bottle will disappear (acetone-carbon dioxide (co2)) or (liquid to gas)-(evaporation also known as sumblimation)
A sentence with the KEPT in it?
i kept the windows open whole night.
How long have you kept your eyes open?
Actually I have kept my eyes open for about four minutes, but I had contacts in. With out contacts in I can only keep my eyes open for 45 seconds.
Why shouldn't you open a door when dreaming?
when you dream the evil might be in you, so open a door to make it disappear and let it go out of your room.
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rings of cartilage
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Many many airports around the world were kept open during 9/11.
What makes the water disappear in an open container when the open container is placed in the sun?
Sunlight causes warmth which speeds up the process of evaporation.
What kept Chinese ports open to vessels of all nations?
The open door policy
The trachea is kept open by rings made of what?
cartilage
