The white pigment TiO2 is prepared by the reaction of titanium tetrachloride, TiCl 4, with water vapor in the gas phase:
TiCl4(g) + 2H2O(g) ⟶ TiO2(s) + 4HCl(g).
How much heat is evolved in the production of exactly 1 mole of TiO 2(s) under standard state conditions?
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