How Many Moles of Molecular Oxygen (O₂) Are Consumed in the Complete

question 24

Multiple Choice

How many moles of molecular oxygen (O₂) are consumed in the complete combustion of one mole of octane (C₈H₁₈) ?

• A) 12.5
• B) 13
• C) 17
• D) 26

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Definitions:

Species

A category in the classification of organisms, referring to a group that can reproduce amongst itself and produce fertile offspring.

Bipedality

The ability to walk upright on two legs, a key feature distinguishing humans and some other species from quadrupedal animals.

Selective Pressures

The environmental factors that favor certain phenotypes over others, influencing an organism's ability to survive and reproduce.

Human Lineage

The evolutionary path leading to and including Homo sapiens, marked by significant milestones such as bipedalism and complex tool use.