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 ×

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Definitions:

Absorption Costing

A method of cost accounting that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed overhead - in the cost of a product.

Cost Behavior

The way in which a cost reacts or changes when there is a change in the level of business activity.

Variable Costing Format

An accounting method that only includes variable production costs (direct materials, direct labor, and variable manufacturing overhead) in product costs.

Short-Term Pricing Decisions

Pricing strategies and choices made by a business to address immediate market demands, competitive pricing, or product lifecycle stages.