Using the Following Equation for the Combustion of Octane,calculate the Heat

question 30

Multiple Choice

Using the following equation for the combustion of octane,calculate the heat associated with the combustion of 100.0 g of octane assuming complete combustion.The molar mass of octane is 114.33 g/mole.The molar mass of oxygen is 31.9988 g/mole. 2 C₈H₁₈ + 25 O₂ → 16 CO₂ + 18 H₂O ΔH°_rxn = -11018 kJ

• A) -535.4 kJ
• B) -4819 kJ
• C) -602.3 kJ
• D) -385.5 kJ
• E) -11018 kJ

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Definitions:

Anterior Fontanel

The largest soft spot on a baby's skull, located at the top front, which allows for growth of the brain and skull during an infant's first year.

Sagittal Suture

A fibrous joint located between the two parietal bones of the skull, running anteroposteriorly.

Stylomandibular Ligament

A band of fibrous tissue connecting the styloid process of the temporal bone to the mandible, playing a role in the limitation of the lower jaw's posterior movement.

Zygomatic Arch

The bone that forms the prominence of the cheek; it is part of the zygomatic bone.