A) The entropy of the universe remains constant
B) Heat can be completely converted into work only under specified conditions
C) The absolute entropy of a perfect crystalline solid at absolute zero temperature is zero
D) The total energy of an isolated system remains constant
Correct Answer: A
Solution :
The entropy of the universe always increases in the course of everv soontaneous (natural) process, ie,\[\Delta {{S}_{universe}}>0.\]
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