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-273 degrees celsius is considered absolute zero, meaning that -273 degrees celsius (or 0 kelvin) is the lowest possible temperature.

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What is the lowest temperature that a substance can reach?

The lowest possible temperature a substance can reach is absolute zero, which is 0 Kelvin or -273.15 degrees Celsius. At this temperature, particles have minimal thermal energy and motion ceases, making it impossible to extract any more heat from the substance.


Is absolute zero the temperature at which the molecules in a substance are not moving at all?

Yes, absolute zero is the temperature at which the molecules of a substance have minimal thermal motion, essentially reducing to their lowest possible energy state. At this temperature, particles do not vibrate or move in any way. It is the lowest temperature on the Kelvin scale, at 0 Kelvin or -273.15 degrees Celsius.


Is NaCl the substance with the lowest melting point is?

NaCl, common table salt, has a rather high melting point. The substance with the lowest melting point is helium. Helium has no solid phase, it melts at any temperature above absolute zero.


What substance has the lowest boiling point?

Helium has the lowest boiling point of any known substance, at -268.9 degrees Celsius.


Does molecules have a movement in any substance?

Yes, even in a solid atoms oscillate around their 'fixed' positions. The amount of movement defines the temperature of the material, hence, if there is no movement the temperature is 0K (absolute zero): the lowest possible temperature.


Which noble gases has the lowest normal boiling point?

Helium has the lowest boiling point of not just the noble gasses, but of any known substance.


Why can evaporation occur at any temperature for a substance?

cause it can


Why might it be especially difficult for scientists to cool a substance all the way down to absolute zero?

Cooling a substance to absolute zero is challenging because as the substance gets colder, it loses energy. At absolute zero, the substance would have no thermal energy, which goes against the principles of quantum mechanics. Additionally, achieving absolute zero requires overcoming the third law of thermodynamics, which states that it is impossible to reach absolute zero through a finite number of steps.


What substances make up temperature?

None. Temperature is a term/concept that affects any substance and any atom. Temperature describes the kinetic energy (dependend on their speed) that the atoms your substance is made of have. Dependend on your substance you need different amount of heat energy to change the temperature. This property is called heat capacity.


Which substance decreases in solubility as the temperature rises?

Endothermic substances.


What temperature is it impossible to liquify a substance no matter the pressure?

The critical temperature is the temperature at which a substance cannot exist in the liquid phase, regardless of the pressure applied. Beyond this temperature, the substance will be in the vapor phase.


Is Phase of any substance is dependent upon temperature and pressure?

true