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Look at Le Chatelier's Principle :)
temp, pressure, concentrations
Temperature
Le Chatelier's principle is very important in studying the chemical systems in equilibrium.
It states if an external stress is applied to a system in equilibrium, then the equilibrium shifts in a direction where the change can be neutralized.
H. Le Chatelier has written:
'High-temperature measurements' -- subject- s -: Pyrometers