Practice question · Estimate
A reaction has kJ/mol and J/mol/K. Set the temperature in kelvin above which it becomes spontaneous.
Estimate on a scale from 0 K (0) to 600 K (600).
Hints
- The crossover is where the two competing terms are exactly equal.
- Compute 30000 / 100.
Show the answer
300 (answers within ±25 count)
Why
The crossover is K. Above it the term outgrows the enthalpy penalty and the reaction becomes spontaneous.
Practise Gibbs Free Energy and Spontaneity
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