Liquid Heptane, C₇H₁₆, Burns in Oxygen Gas to Yield Carbon

question 149

Multiple Choice

Liquid heptane, C₇H₁₆, burns in oxygen gas to yield carbon dioxide and water. What is the minimum mass of oxygen required for the complete reaction of 25.5 mL of heptane (density of heptane = 0.6838 g/mL)

• A) 5.57 g
• B) 8.14 g
• C) 30.6 g
• D) 61.3 g
• E) 89.6 g

---

Definitions:

Complete Proteins

Proteins that contain all nine essential amino acids necessary for the dietary needs of humans.

Side Chain

The part of an organic molecule that is attached to the main chain (or backbone) of the molecule, which can influence the molecule's properties and reactivity.

Valine

An essential amino acid that is crucial for muscle growth, tissue repair, and energy provision in the body.

5-Membered Ring

A cyclic structure in organic chemistry consisting of five atoms, which can be of the same or different elements.