The Combustion of Titanium with Oxygen Produces Titanium Dioxide: Ti(s)

question 9

Multiple Choice

The combustion of titanium with oxygen produces titanium dioxide: Ti(s) + (g) → (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 kJ/K.The heat of reaction for the combustion of a mole of Ti in this calorimeter is ________ kJ/mol.

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

---

Definitions:

Ecologist

A scientist who studies the relationships between living organisms and their environment.

Adapted

The process through which an organism becomes better suited to its environment, often through genetic changes or behavioral shifts over generations.

Succession

The process by which ecosystems undergo change and development over time, often following disturbances.

Pioneer Species

The first species to colonize previously disrupted or damaged ecosystems, initiating a chain of ecological succession that ultimately leads to a more biodiverse steady-state ecosystem.