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Absolute zero is the lowest possible temperature. Basically, the closer you get to absolute zero, the harder it becomes to get even closer. However, it is possible to get very, very close - temperatures of less than a microkelvin, i.e., a millionth of a degree above absolute zero, have already been achieved.

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7y ago
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10y ago

That's a good question.

In fact we can get very, very close.

However, physics theory suggests that we can never reach Absolute Zero.

It's the Third Law of Thermodynamics that says we can't reach the Absolute Zero of temperature.

We simply can't extract all the heat.

The explanation is not simple and involves mathematics.

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14y ago

Never there will always be that e.g .00000000000001 and son on!!

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Q: What is absolute zero and why is it impossible to achieve it?
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What is the significance of -348.4 degrees Celsius?

It's Kelvin.It is significant in that it is below absolute zero (0 K) and therefore impossible to achieve.


What is absulte 0?

"Absolute Zero" refers to zero on the kelvin scale for temperature. Absolute Zero, or 0 kelvin ( = -459.67 degrees Fahrenheit = -273.15 degrees Celsius), is the coldest possible temperature. It is probably impossible to achieve this temperature, but you can get very close.


What temperature does liquid argon freeze?

Argon cannot freeze. The temperatures required would be below absolute zero which is impossible to achieve. Therefore the answer is unknown.


Is it possible to achieve absolute zero?

"Nothing is absolute, everything is relative"... Einstein


Do molecules disappear at absolute zero?

No. They are as frozen still as they can ever be. It is said to be scientifically impossible to actually reach absolute zero.


Why can't -5K exist?

0K is absolute zero, meaning that the system contains zero thermal energy. Temperatures below absolute zero are impossible.


Is it impossible to have a temperature below 0 k?

No. Zero K is considered absolute zero.


Does absolute zero really exist?

no, absolute zero is only a myth. Temperature is the measurement of thermal energy caused by the movement of the atoms. at absolute zero, atom freezes and it would be impossible to measure its temperature.


At what temperature do particles theorectically have no kinetic energy?

Absolute zero is the temperature at which particles have no kinetic energy. This is at -459° F/0 K/-273.15° C. (The Kelvin scale is defined to start at absolute zero.) It is impossible to actually achieve this, though scientists have gotten very clos


When does absolute zero occur?

Absolute zero is the theoretically coldest temperature. It is not possible to actually achieve absolute zero, only to approach it. In laboratory experiments, temperatures below one microkelvin have been achieved - i.e., less than a millionth of a degree above absolute zero.


Why is it impossible to cool an object below absolute zero?

Absolute zero is when the atoms of all matter will stop moving. It can't be further cooled once they stop.


What is the lowest teperature for celsius?

-273 degrees. This is called absolute zero or the point at which you cannot get any colder. It is theoretically impossible get colder than absolute zero.