Potassium Superoxide Reacts Violently with Water to Produce Potassium Hydroxide $\circ$

Potassium superoxide reacts violently with water to produce potassium hydroxide and oxygen according to the following balanced equation. What would the temperature be if 5.0 g of KO₂ reacts to produce a pressure of 1.0 atm and 2.0 L of O₂ gas?

4KO₂(s) 2H₂O(l) 4KOH(s) 3O₂(g)

A) 150 ^$\circ$ C
B) 30 ^$\circ$ C
C) - 12 ^$\circ$ C
D) 190 ^$\circ$ C
E) 74 ^$\circ$ C