Free Energy (OCR A-Level Chemistry A): Flashcards
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10 cards from this deck
Symbol for free energy change
Symbol for free energy change
Gibbs equation
Gibbs equation
Condition for a reaction to be feasible
Condition for a reaction to be feasible
(negative)
Convert from J K⁻¹ mol⁻¹ to kJ K⁻¹ mol⁻¹
Convert from J K⁻¹ mol⁻¹ to kJ K⁻¹ mol⁻¹
Divide by 1000
Convert temperature from °C to K
Convert temperature from °C to K
Add 273
Feasibility: negative, positive
Feasibility: negative, positive
Feasible at all temperatures
Feasibility: positive, positive
Feasibility: positive, positive
Feasible only at high temperatures
Formula for minimum temperature when
Formula for minimum temperature when
What does negative predict?
What does negative predict?
Thermodynamic feasibility, not reaction rate
Effect of increasing temperature on term
Effect of increasing temperature on term
Makes it larger and more significant