Equilibrium
Study of chemical reactions to reaction container with the reactants and products
·
returs a
A Chemical
inside
System .
Open System
A which both*** and matter be exchanged between the system and its
system in
egy
can
surroundings .
Closed
System * SAGS
but leave the
A
system in which mass is conserved inside the
system energy can enter or
syste
freely .
Isolated System No energy or mass of recution enters or leaves
e The Universe
.
g
.
Dynamic Equilibrium
open system
* If a
pot of water is left open, water level will drop. . Both condensation and evaporatio
occur but the rate of
evaporation rate of condensation.
the pot water level will
It lid is
placed closed
system initially drop
·
a on now
,
evaporation condensation.
·
Overtime , the water level will remain constant since air above the water becomes
saturated. Rate of
evaporation rate of condensation.
Occur
simultaneously
* Maserablepic changes volume,
a
pressure , temp, concentration , colour w
stop Microscopic changes
. still continu
System is in state of a
·
Reactions do not stop , occur
simultaneously and at the Dynamic Equilibrium
same rate.
Forward + Reverse
State of
equilibrium : water liquid water vapour Reactions occur
continually
HO1 HrOg and
simultaneously in an
isolated
system.