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

question 72

Multiple Choice

Liquid heptane, C₇H₁₆, burns in oxygen gas to yield carbon dioxide and water. What mass of water is produced when 15.0 mL of heptane burns completely? (density of heptane = 0.6838 g/mL)

• A)14.8 g
• B)2.70 g
• C)31.6 g
• D)1.85 g
• E)21.6 g

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Definitions:

Upper Limb

The region of the human body comprising the arm, forearm, wrist, and hand.

Tarsals

A group of seven bones in the foot that form the ankle and arch, crucial for movement and bearing the body's weight.

Tibia

The larger, stronger, and anterior of the two bones in the lower leg, commonly referred to as the shin bone.

Talus

A bone in the ankle joint that sits between the heel bone and the two bones of the lower leg (tibia and fibula).