Chemical Equilibrium Flashcards
1
Q
Define a closed system
A
one in which mass is conserved inside the system but energy can enter or leave the system freely
2
Q
Define an open system
A
one in which both energy and matter can be exchanged between the system and its surroundings
3
Q
State Le Châtelier’s principle
A
‘When an external stress (change in pressure, temperature or concentration) is applied to a system in dynamic chemical equilibrium, the equilibrium point will change in such a way as to counteract the stress’
