Absolute Zero
| Formula / Notation | 0 K = −273.15°C |
|---|---|
| Also Known As | Zero Kelvin; 0 K; −273.15°C; absolute temperature zero |
What is Absolute Zero?
Absolute zero is the lowest theoretically possible temperature, equivalent to 0 Kelvin (−273.15°C). At this point, all classical molecular motion ceases and a system possesses only zero-point quantum mechanical energy. It is the baseline of the Kelvin temperature scale.
Formula & Notation
Other Names / Synonyms: Zero Kelvin; 0 K; −273.15°C; absolute temperature zero
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Absolute zero is the lowest theoretically possible temperature, equivalent to 0 Kelvin (−273.15°C). At this point, all classical molecular motion ceases and a system possesses only zero-point quantum mechanical energy. It is the baseline of the Kelvin temperature scale.
Reference point for the Kelvin scale; cryogenics research; study of superconductivity and superfluidity; Bose–Einstein condensate production; quantum physics experiments
Cannot be experimentally achieved; materials become extremely brittle at cryogenic temperatures; liquid helium used to approach near-absolute-zero conditions presents hazards of cold burns and asphyxiation.
The formula or notation for Absolute Zero is: 0 K = −273.15°C