The Combustion of Titanium with Oxygen Produces Titanium Dioxide $\mathrm { O } _ { 2 }$

The combustion of titanium with oxygen produces titanium dioxide:
Ti(s) + $\mathrm { O } _ { 2 }$ (g) ? $\mathrm { TiO } _ { 2 }$ (s)
When 2.090 g of titanium is combusted in a bomb calorimeter,the temperature of the calorimeter increases from 25.00 °C to 91.30 °C.In a separate experiment,the heat capacity of the calorimeter is measured to be 9.84 kJ $\mathrm { K } ^ { - 1 }$ .The heat of reaction for the combustion of a mole of Ti in this calorimeter is ________ kJ $\mathrm { mol } ^ { - 1 }$ .

A) 14.9
B) 652
C) -3.40
D) -28.5
E) -1.49 × $10 ^ { 4 }$

Correct Answer:

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