The Combustion of Titanium with Oxygen Produces Titanium Dioxide

question 16

Multiple Choice

The combustion of titanium with oxygen produces titanium dioxide:
Ti(s) + O₂(g) →TiO₂ (s)
When 2.060 g of titanium is combusted in a bomb calorimeter,the temperature of the calorimeter increases from 25.00 °C to 91.60 °C.In a separate experiment,the heat capacity of the calorimeter is measured to be 9.84 kJK^-1 .The heat of reaction for the combustion of a mole of Ti in this calorimeter is ________ kJ mol^-1.

• A)14.3
• B)19.6
• C)-311
• D)-0.154
• E)-1.52 ×

---

Definitions:

Drainage

The process of removing fluid, blood, or other substances from a body part, organ, or wound.

Occlusive Gauze Dressing

A type of bandage designed to completely seal off a wound from air and moisture, promoting healing.

Chest Tube

A tube inserted through the chest wall to remove air, fluid, or pus from the pleural space, restoring normal lung function.

Water Seal

Water seal refers to a system used in chest drainage devices that prevents air from re-entering the pleural space while allowing air and fluids to exit, facilitating lung expansion.