The Standard Enthalpy Change for the Combustion of 1 Mole $\to$

question 8

Multiple Choice

The standard enthalpy change for the combustion of 1 mole of propane is -2043.0 kJ.C₃H₈(g) + 5 O₂(g) $\to$ 3 CO₂(g) + 4 H₂O(g)
Calculate $\Delta$ _fH ^$\circ$ for propane based on the following standard molar enthalpies of formation.

• A) -1407.7 kJ/mol-rxn
• B) +104.7 kJ/mol-rxn
• C) -104.7 kJ/mol-rxn
• D) -4190.7 kJ/mol-rxn
• E) +1407.7 kJ/mol-rxn

---

Definitions:

Average Life Expectancy

An estimate of the average number of years an individual or group of people is expected to live, based on statistical averages.

Complex Societies

Societies characterized by large populations, social stratification, centralized governance, and the presence of symbolic systems like writing.

Formal Education

Structured learning provided by officially recognized schools, colleges, and universities, typically leading to certification or a degree.

Palo Alto

A city in California, known for its significant role in technology development due to its proximity to Stanford University and Silicon Valley.