change in entropy when t=0k

[Denise Mora 1C]

Are we able to calculate the change of entropy of a system when it is at a temperature of 0 K?

[106062642]

The entropy of a perfect crystal approaches zero as the temperature approaches absolute zero (0K), following the third law of thermodynamics. According to this law, at absolute zero temperature, the entropy of any pure, perfectly organized crystalline solid is zero.

[705903057]

According to the third law of thermodynamics, as the temperature of a system approaches absolute zero, the entropy of a perfect crystal also approaches zero. This is often expressed as the statement that the entropy of a perfectly ordered, pure crystalline substance at absolute zero is zero. In practical terms, calculating the change in entropy of a system at absolute zero temperature would require detailed knowledge of the system's properties, such as its specific heat capacity, molecular structure, and any other factors that may influence entropy.

[Shayanel Hoque 2A]

We weren't given a change in entropy for when T = 0 K. Instead, the question regarded to find just S.

As a result, we were supposed to use to Boltzmann constant for when S = kB ln W, where W is 6 (for the 6 orientations of benzene).

That gave us S for 1 mole, so we were to multiply that by Avagadro's constant to get S for the number of molecules.