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What gas besides air is in the flask when it is upside.down in the sink of cold water?
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Why did the water rush into the erlenmeyer flask when it was submerged in the cold water?
1. When the flask was placed into the cold water, the colder air molecules in the flask move slower, putting out less pressure. With the decrease in air pressure inside the flask, the now greater pressure outside pushes water into the flask until the pressure inside equals the pressure outside.
How does hot water becomes cold in a vacuum flask?
Its because there are contact points between the inner part of the flask and the outer part, which allows some thermal conductivity to occur.
Why bromine solution added gradually?
Add the bromine solution slowly and with constant shaking to ensure thorough mixing; stand the flask in cold water
What is a iron ring used for in chemistry?
It's used to hold a flask in place while subjecting it to heat or cold.
What gets cold first hot or cold water?
Isn't cold water already cold? I would say cold water gets cold first. I've heard that hot water freezes faster than cold water.
Why did the water rush into the erlenmeyer flask when it was submerged in the cold water?
1. When the flask was placed into the cold water, the colder air molecules in the flask move slower, putting out less pressure. With the decrease in air pressure inside the flask, the now greater pressure outside pushes water into the flask until the pressure inside equals the pressure outside.
Is a thermos flask also good for keeping water cold for several hours?
Yes. The thermos flask can reduce the amount of heat travelling from the surroundings to the cold water
Why can cold water in an uncapped vacuum flask still stay cold?
It will certainly not stay cold as long as if it were capped.
Why would the water be warm on a cold day?
maybe the waters in a flask or has been next to radiator or maybe it came out of a cold tap
How does hot water becomes cold in a vacuum flask?
Its because there are contact points between the inner part of the flask and the outer part, which allows some thermal conductivity to occur.
What happens if a cold substance kept in thermos flask?
It heats up and the water keeps warm for a certain amount of time
Why did the ink rise up when the flask is immersed into a hot water?
When the flask is immersed into hot water, the ink molecules gain thermal energy causing them to move more rapidly. This increased movement disrupts the intermolecular forces holding the ink together, making it less dense and causing it to rise up in the flask.
Why bromine solution added gradually?
Add the bromine solution slowly and with constant shaking to ensure thorough mixing; stand the flask in cold water
Why your vacuum flask cannot maintain the cold anymore?
There could be a crack or leakage that allows air to flow in or out of the flask. It may be time to replace the flask with a new one.
What is the name of the thing used to keep liquids warm or cold?
Vacuum flask.
What is A container to keep drinks cold?
A flask. It also keeps drinks hot.
The presence of -------------- in a thermos flask keeps the substances either hot or cold?
A vacuum is the answer.
