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Question: Answered & Verified by Expert
A reaction has ΔH=33kJ and ΔS=-58 J/K. This reaction would be
ChemistryThermodynamics (C)NEET
Options:
  • A Spontaneous at all temperatures
  • B Non-spontaneous at all temperatures
  • C Spontaneous above a certain temperature
  • D Spontaneous below a certain temperature
Solution:
2986 Upvotes Verified Answer
The correct answer is: Spontaneous below a certain temperature
A reaction is spontaneous only when ΔG is negative
ΔG= ΔH ve TΔS ve
below T=569 K
ΔG<0

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