Multiple choice

What is absolute zero?

  1. 00C

  2. 2730C

  3. � 2730C

  4. 1000C

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Absolute zero is the lowest limit of the thermodynamic temperature scale, a state at which the enthalpy and entropy of a cooled ideal gas reach their minimum value, taken as zero. This is -273.15 degrees Celsius.