How Many Liters of O₂ (G)are Needed to React Completely

question 30

Multiple Choice

How many liters of O₂ (g) are needed to react completely with 56.0 L of CH₄ (g) at STP to produce CO₂ (g) and H₂O (g) ?
Given: CH₄ (g) + 2O₂ (g) → CO₂ (g) + H₂O (g)

• A)28.0 L
• B)56.0 L
• C)84.0 L
• D)112.L
• E)none of the above

---

Definitions:

Cerebrospinal Fluid

The clear, colorless body fluid found in the brain and spinal cord, protecting and nourishing them.

Myelin Sheath

A fatty layer that surrounds the axons of some neurons, providing insulation and increasing the speed of electrical transmission along the nerve.

CNS

Central Nervous System, comprising the brain and spinal cord, responsible for processing information and controlling body functions.

Glial Cell

Non-neuronal cells in the nervous system that provide support, nutrition, and insulation between neurons.