• Decrease temperature :
Formation of ammonia is exothermic
Decreasing temperature (removing heat)
will shift the equilibrium to the right
KC will increase
151
Exercise :
Lime (CaO) used primarily in the manufacture of
steel, glass, and high–quality paper. It is produced
in an endothermic reaction by thermal
decomposition of limestone:
CaCO3 (s) CaO (s) + CO2 (g)
How would control reaction conditions to produce
the maximum amount of lime?
ANS:
Ideal conditions:
low pressure, high temperature,
and continual removal of CO2, as it forms
152
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C6 CHEMICAL EQUILIBRIUM
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