Using the Following Equation for the Combustion of Octane, Calculate

question 46

Multiple Choice

Using the following equation for the combustion of octane, calculate the heat of reaction for 100.0 g of octane. The molar mass of octane is 114.33 g mol^-1. 2C₈H₁₈ + 25O₂ → 16CO₂ + 18H₂O Δ_rH° = -11018 kJ

• A)4.82 × 10³ kJ
• B)4.82 kJ
• C)9.64 × 10³ kJ
• D)1.26 × 10⁴ kJ

---

Definitions:

X-rays

A form of electromagnetic radiation with wavelengths shorter than visible light, used in medical imaging to view inside the body.

Actuarial Approach

A method that employs statistical models to assess risks and predict outcomes, commonly used in fields like insurance, finance, and criminal justice for forecasting.

Intuition

The ability to understand or know something immediately without the need for conscious reasoning, often considered as a 'gut feeling.'

Objective Standard

A benchmark or rule that is not influenced by personal feelings, interpretations, or prejudice, used as a basis for judgment.