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All molecular motion stops at absolute zero because absolute zero is the coldest possible temperature. And it is only able to achieve this temperature if the molecules/atom do not possess any thermal energy. And thermal energy is what causes vibrating motion of the molecules/atom. Thus at this temperature no molecules/atoms will vibrate due to the complete lack of energy.

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12y ago
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14y ago

Temperature is equivalent to molecular motion; if the temperature is absolute zero, so is the motion.

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Q: All molecular motion ceases at 0 Kelvin why?
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What temperature scale places zero at the point where all atomic and molecular motion ceases?

On the Kelvin scale, zero is the temperature at which there is no atomic or molecular motion.


What is 0 degrees kelvin in centigrade?

The temperature of 0 Kelvin is equivalent to -273.15 degrees Celsius. At this temperature, known as absolute zero, all molecular motion ceases.


When does all motion of molecules stop?

When the temperature reached absolute zero (0 Kelvin or -273 Celsius), all molecular motion ceases.


What do you call the hypothetical lowest possible temperature when all molecular motion ceases?

This is called "absolute zero" or 0 degrees Kelvin. This temperature is the same as -273.15 degrees Celsius or -459.67 degrees Fahrenheit.


Why does all molecular motion cease at 0 Kelvin?

Atoms will not be able to move at Absolute Zero (Zero Kelvin), they would reach what is called zero-point energy, but as this is a theoretical limit and cannot be achieved, no one will ever know for sure.


What is the temperature at which all atomic and molecular kinetic motion ceases?

The temperature is absolute zero, a minimum temperature of matter based on continually reduced molecular motion. (Although absolute zero cannot be attained, it is possible to get very very close, to about 170 billionths of a kelvin.) Absolute zero is approximately -273.15 °C


What temperature centigrade does all molecular motion stop?

-273 degrees centrigrade, or 0 degrees Kelvin.


What is is the Temperature at which all atomic kinetic motion ceases is?

The temperature is absolute zero, a minimum temperature of matter based on continually reduced molecular motion. (Although absolute zero cannot be attained, it is possible to get very very close, to about 170 billionths of a kelvin.) Absolute zero is approximately -273.15 °C


The theoretical point at which all molecular motion stops is called?

"absolute zero" or 0 degrees Kelvin.


Why zero kelvin scale temperature is known as absolute zero temperature?

Because at 0 Kelvin all molecular and atomic motion will have stopped and this reality is what defines Kelvin. This has not occur yet as far as we know.


What is the value of 0 kelvin?

Zero degrees Kelvin is the theoretical temperature at which all molecular motion stops. It is called Absolute Zero. It is equal to -459.4*F and -273*C


What is the temperature at which molecular energy is at a minimum?

That would be at absolute zero, where all molecular motion cease. The temperature is 0 Kelvin or -273.15 degrees Celsius or -459.67 degrees Fahrenheit.