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

question 121

Multiple Choice

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 × \(10 ^ { 4 }\)

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