Isooctane Is a Good Model Compound for Gasoline

question 28

Multiple Choice

Isooctane is a good model compound for gasoline. When 1.14 g of isooctane (114 g/mol) reacts with excess oxygen in a constant pressure calorimeter, the temperature of the calorimeter increases by 10.0^oC. The heat capacity of the calorimeter is 5.46 kJ/^oC. Determine the molar enthalpy of combustion of isooctane.

• A)(  5,460 kJ/mol)
• B)(  54.6 kJ/mol)
• C)(  5,460 kJ/mol)
• D)(  54.6 kJ/mol)
• E)(  5.46 kJ/mol)

---

Definitions:

Dispositional Attribution

The tendency to attribute someone's behavior to their disposition or personality rather than to external factors.

Defensive Attribution

A tendency to attribute more blame to the victims of accidents for their misfortune the more severe the accident was, often as a way to see the world as just and predictable.

External Attribution

The process of attributing the cause of one's own or others' behaviors to external factors or situations.

Ingroup

A social group to which a person psychologically identifies as being a member, often fostering a sense of belonging or identity.