Unit 9: Applications of Thermodynamics Flashcards
(8 cards)
Two kinds of processes that increase entropy?
•Temperature
•Shape of state space
How does entropy increase?
When energy becomes more dispersed.
When volume increase, entropy decrease/increase?
Increase
Kinetic molecular theory (KMT)?
As the temperature increase, kinetic energy varies more within different molecules in a gas. This can be viewed in the maxwell-Boltzmann distribution in which if variance increases, temperature increases and the variation in kinetic energy is because variance increases.
DeltaS = ?
Sum(S_products) - sum(S_reactants)
Do all thermodynamically favourable events occur?
No since their reaction rates are extremely.
What does it mean for a favourable reaction to be under kinetic control?
When the reaction does not proceed by controlling the activation energy.
How is K related to free energy?
DeltaG = -R T ln(K)
