the autodissocation of water is a highly endothermic reaction. therefore you expect the ph of pure...
the autodissocation of water is a highly endothermic reaction. therefore you expect the ph of pure water at 100 degrees Celsius to be lower/greater/equal to 7?
Homework Answers
The autodissocation of water is an endothermic process. When the temperature is increased to 100°C , according to le-Chatlier principle the equilibrium will shift to the direction in which heat is consumed hence water will dissociate more and more and hence more H+ ions is formed . Here we note that hydronium and hydroxide ions are formed equally .
The solution is still neutral but the pH will decrease from 7 to 6.14. hence it is lower than 7
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