Zero kelvin (−273.15 °C) is defined as absolute zero. Absolute zero is the coldest point on the thermodynamic temperature scale, a state at which the enthalpy and entropy of a cooled ideal gas reach their minimum value.

2020年8月10日 · Absolute zero is 0 K, -273.15 °C, or -459.67 °F. Absolute zero is defined as the temperature at which a cooled ideal gas is in its lowest energy state. In other words, it’s the point at which no more heat can be removed.

2025年1月30日 · Absolute zero, temperature at which a thermodynamic system has the lowest energy. It corresponds to minus 273.15 degrees Celsius and to minus 459.67 degrees Fahrenheit. While all molecular movement does not cease at absolute zero, no energy from that motion is available for transfer to other systems.

2019年11月27日 · Absolute zero is defined as the point where no more heat can be removed from a system, according to the absolute or thermodynamic temperature scale. This corresponds to zero Kelvin , or minus 273.15 C.

2018年11月15日 · Absolute zero isn't just a fancy-sounding number: it's the lowest temperature possible, where the atoms and moleules in a substance become absolutely still.

2014年9月11日 · Absolute zero is at -273.15 Celsius, or -459.67 Fahrenheit. The Kelvin temperature scale uses the same size degree as Celsius, but has its zero set to absolute zero. To convert from Celsius to Kelvin, add 273.15 to the Celsius reading.

21 小时之前 · Absolute zero, scientifically defined as 0 Kelvin, represents a state where particles exhibit minimal motion. It’s akin to a car that has come to a complete stop, with no movement whatsoever. At this temperature, particles are in their lowest energy state, making it a theoretical boundary in thermodynamics. ...

2025年1月9日 · The meaning of ABSOLUTE ZERO is a theoretical temperature characterized by complete absence of heat and motion and equivalent to exactly —273.15°C or —459.67°F.

2019年11月15日 · Nothing in the universe — or in a lab — has ever reached absolute zero as far as we know. Even space has a background temperature of 2.7 kelvins. But we do now have a precise number for it: -459.67 Fahrenheit, or -273.15 degrees Celsius, both of …

2024年7月12日 · Absolute zero, technically known as zero kelvins, equals −273.15 degrees Celsius, or -459.67 Fahrenheit, and marks the spot on the thermometer where a system reaches its lowest possible energy, or thermal motion.