The Amphoteric Reaction Between Two Water Molecules Is Endothermic,which Means $\mathrm { H } _ { 2 }$

The amphoteric reaction between two water molecules is endothermic,which means that this reaction requires the input of energy in order to proceed: Energy + $\mathrm { H } _ { 2 }$ O + $\mathrm { H } _ { 2 }$ O ? $\mathrm { H } _ { 3 }$ $\mathrm { O } ^ { + }$ + O $\mathrm { H } ^ { - }$ The warmer the temperature of the water,the more thermal energy is available for this reaction,and the more hydronium and hydroxide ions are formed.Based on this information,should the value of $\mathrm { K } _ { \mathrm { W } }$ be expected to increase,decrease,or stay the same with increasing temperature?

A) The value of $\mathrm { K } _ { \mathrm { W } }$ will stay the same,since it is a constant.
B) The value of $\mathrm { K } _ { \mathrm { W } }$ will decrease,since there are more hydronium ions than hydroxide ions.
C) The value of $\mathrm { K } _ { \mathrm { W } }$ will increase since the rise in temperature allows for a higher concentration of both ions.
D) The value of $\mathrm { K } _ { \mathrm { W } }$

Correct Answer:

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