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For a given reaction, ΔH = 35.5 kJ mol–1 and ΔS = 83.6 JK–1 mol–1. The reaction is spontaneous at (Assume that ΔH and ΔS do not vary with temperature):
  • a)
    T > 425 K
  • b)
    All temperature
  • c)
    T > 298 K
  • d)
    T < 425 K
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
For a given reaction, ΔH = 35.5 kJ mol–1 and ΔS = 83...
Solution:- (A) 
T>425K
The reaction is 
{spontaneousif ΔG<0non-spontaneousif ΔG>0
As we know that,
ΔG=ΔHTΔS
 The reaction is spontaneous.
ΔG<0
ΔHTΔS<0
T>ΔHΔS
Given:-
ΔH=35.5KJ/mol=35500J/mol
ΔS=83.6J/molK
T>3550083.6
T>425K
Hence the reaction will be spontaneous at 
T>425K
.
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For a given reaction, ΔH = 35.5 kJ mol–1 and ΔS = 83.6 JK–1 mol–1. The reaction is spontaneous at (Assume that ΔH and ΔS do not vary with temperature):a)T > 425 Kb)All temperaturec)T > 298 Kd)T < 425 KCorrect answer is option 'A'. Can you explain this answer?
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For a given reaction, ΔH = 35.5 kJ mol–1 and ΔS = 83.6 JK–1 mol–1. The reaction is spontaneous at (Assume that ΔH and ΔS do not vary with temperature):a)T > 425 Kb)All temperaturec)T > 298 Kd)T < 425 KCorrect answer is option 'A'. Can you explain this answer? for IIT JAM 2024 is part of IIT JAM preparation. The Question and answers have been prepared according to the IIT JAM exam syllabus. Information about For a given reaction, ΔH = 35.5 kJ mol–1 and ΔS = 83.6 JK–1 mol–1. The reaction is spontaneous at (Assume that ΔH and ΔS do not vary with temperature):a)T > 425 Kb)All temperaturec)T > 298 Kd)T < 425 KCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for IIT JAM 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a given reaction, ΔH = 35.5 kJ mol–1 and ΔS = 83.6 JK–1 mol–1. The reaction is spontaneous at (Assume that ΔH and ΔS do not vary with temperature):a)T > 425 Kb)All temperaturec)T > 298 Kd)T < 425 KCorrect answer is option 'A'. Can you explain this answer?.
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