Consider the following statements :-
(A) Unit of molar entropy of a substance in SI system is J/K
(B) Molar entropy of vapourisation of water is negative
(C) In free expansion, work done is zero
(D) At absolute zero temperature, entropy of all substance is zero
Then correct order of true/false of the above statements is

"A perfect crystalline substance has an entropy of zero at absolute zero" is a statement of

Some statements are given with regard to entropy. The incorrect statement(s) are (A) The absolute entropy of substances cannot be determined (B) In standard state entropy of elements is always positive (C ) The entropy of universe always decreases (D) In a spontaneous process, for an isolated system the entropy of the system generally increases

Some statements are given with regard to entropy. The incorrect statement(s) are (A) The absolute entropy of substances cannot be determined (B) In standard state entropy of elements is always positive (C ) The entropy of universe always decreases (D) In a spontaneous process, for an isolated system the entropy of the system generally increases

Consider the following statements regarding the network shown in the figure (a) The equivalent resistance of the network between points A and B is independent of value of Q. (b) The equivalent resistance of the network between points A and B is 4/3 R . (c) The current through Q is zero. Which of the above statements is/are TRUE ?

Statement -1: Enthalpy and entropy of any elements substance in the standard states are taken as zero . Statement-2: At absolute zero , partiles of the perfectly crystalline substance become completely motioness.

Statement -1: Enthalpy and entropy of any elements substance in the standard states are taken as zero . Statement-2: At absolute zero , partiles of the perfectly crystalline substance become completely motioness.