<P> At temperatures near 0 K ( − 273.15 ° C ; − 459.67 ° F ) , nearly all molecular motion ceases and ΔS = 0 for any adiabatic process , where S is the entropy . In such a circumstance , pure substances can ( ideally ) form perfect crystals as T → 0 . Max Planck 's strong form of the third law of thermodynamics states the entropy of a perfect crystal vanishes at absolute zero . The original Nernst heat theorem makes the weaker and less controversial claim that the entropy change for any isothermal process approaches zero as T → 0 : </P>
<P> At temperatures near 0 K ( − 273.15 ° C ; − 459.67 ° F ) , nearly all molecular motion ceases and ΔS = 0 for any adiabatic process , where S is the entropy . In such a circumstance , pure substances can ( ideally ) form perfect crystals as T → 0 . Max Planck 's strong form of the third law of thermodynamics states the entropy of a perfect crystal vanishes at absolute zero . The original Nernst heat theorem makes the weaker and less controversial claim that the entropy change for any isothermal process approaches zero as T → 0 : </P>
0 k is equal to what temperature in celsius
0 k is equal to what temperature in celsius
− 273.15 ° C
− 273.15 ° C